OSGI Plugin Start Error - java.lang.UnsupportedOperationException

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Falzone, Chris

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Dec 4, 2013, 3:29:59 PM12/4/13

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I have this error happening when my osgi plugin tries to start up. I looked it up and the first result was: https://gist.github.com/bryanboza/6611533

I wonder if anyone has tackled this and knows how to fix.

Christopher Falzone
Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com

cfal...@aquent.com

Nathan Keiter

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Dec 4, 2013, 3:47:31 PM12/4/13

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Yes, I've seen this.

Case #1. (Most likely given the error log.) You have overridden a dotCMS supplied class, adding a method or changing an existing method signature. This is not allowed and cannot be done. You can only change the body of existing methods.

Case #2. You have created a portlet and need a copy of jamm.jar which allows transformations. (This fixed my issue. https://github.com/dotCMS/dotCMS/pull/4466)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

aquent.com<http://aquent.com>

cfal...@aquent.com<mailto:cfal...@aquent.com>

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Nathan Keiter

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Dec 4, 2013, 3:52:27 PM12/4/13

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For case #1, note the limitations on this page: http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan Keiter

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Dec 4, 2013, 3:53:15 PM12/4/13

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Falzone, Chris

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Dec 4, 2013, 3:55:50 PM12/4/13

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So I have the jamm jar -- I built myself with the added:

And I put that in place -- it was giving me an error about transforming before that

The only 2 classes I have added are an abstract class that extends the Quartz Job class and adds a method that I want in all my Quartz Jobs, the second on is just a Quartz Job, and lastly I modified my Activator to schedule the quartz job.

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Christopher Falzone
Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com

cfal...@aquent.com

Nathan Keiter

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Dec 4, 2013, 4:04:53 PM12/4/13

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Maybe it's the inheritance change introduce by extending the Quartz Job class? Inheritance changes aren't allowed according to the limitations.

That's the only thing I can think of at the moment that might cause this:

java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the schema (add/remove fields)
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Wednesday, December 4, 2013 3:55 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

So I have the jamm jar -- I built myself with the added:

<attribute name = "Can-Redefine-Classes" value = "true"/>
<attribute name = "Can-Retransform-Classes" value = "true"/>

And I put that in place -- it was giving me an error about transforming before that

The only 2 classes I have added are an abstract class that extends the Quartz Job class and adds a method that I want in all my Quartz Jobs, the second on is just a Quartz Job, and lastly I modified my Activator to schedule the quartz job.

On Wed, Dec 4, 2013 at 3:52 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>> wrote:
For case #1, note the limitations on this page: http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>
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Date: Wednesday, December 4, 2013 3:29 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

I have this error happening when my osgi plugin tries to start up. I looked it up and the first result was: https://gist.github.com/bryanboza/6611533

I wonder if anyone has tackled this and knows how to fix.

--

Christopher Falzone

Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com<http://aquent.com><http://aquent.com>

cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>

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Falzone, Chris

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Dec 4, 2013, 4:17:16 PM12/4/13

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I have plenty of classes that extend existing dotCMS classes. I am not changing the Quartz Job Class in any way by extending it with another class am I?

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Christopher Falzone
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aquent.com

cfal...@aquent.com

Nathan Keiter

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Dec 4, 2013, 4:27:53 PM12/4/13

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I don't know. Can't think of anything else. I'm sure you've exposed the correct packages and tried restarting the framework.

Have you ever created an abstract interface by extending an existing interface before? This one right? -> http://quartz-scheduler.org/api/2.0.0/org/quartz/Job.html

I'm just wondering if that architecture is being handled differently than the others you created.

On Wed, Dec 4, 2013 at 4:04 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>> wrote:
Maybe it's the inheritance change introduce by extending the Quartz Job class? Inheritance changes aren't allowed according to the limitations.

That's the only thing I can think of at the moment that might cause this:

java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the schema (add/remove fields)
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Wednesday, December 4, 2013 3:55 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

So I have the jamm jar -- I built myself with the added:

<attribute name = "Can-Redefine-Classes" value = "true"/>
<attribute name = "Can-Retransform-Classes" value = "true"/>

And I put that in place -- it was giving me an error about transforming before that

The only 2 classes I have added are an abstract class that extends the Quartz Job class and adds a method that I want in all my Quartz Jobs, the second on is just a Quartz Job, and lastly I modified my Activator to schedule the quartz job.

On Wed, Dec 4, 2013 at 3:52 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>> wrote:
For case #1, note the limitations on this page: http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

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Falzone, Chris

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Dec 4, 2013, 4:39:55 PM12/4/13

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So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator, though to your point the generic one I extended is an Abstract Class not an Interface.

I can try doing removing it for now, and maybe making a utility class to send my job report. I was just trying to be cool!

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Christopher Falzone
Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com

cfal...@aquent.com

Nathan Keiter

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Dec 4, 2013, 5:07:26 PM12/4/13

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Off the top of my head, what happens if you add the "execute" method to the AquentQuartzJob class and then override it in the CWImporterJob class?

Looking at the java doc, you can also attach a result object to the JobExecutionContext:

[cid:97D22608-B19A-4F5B-9CE5-B5618757946F]

I think you'll need a custom JobListener class to extract it, but possibly another option.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Wednesday, December 4, 2013 4:39 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator, though to your point the generic one I extended is an Abstract Class not an Interface.

I can try doing removing it for now, and maybe making a utility class to send my job report. I was just trying to be cool!

On Wed, Dec 4, 2013 at 4:27 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>> wrote:
I don't know. Can't think of anything else. I'm sure you've exposed the correct packages and tried restarting the framework.

Have you ever created an abstract interface by extending an existing interface before? This one right? -> http://quartz-scheduler.org/api/2.0.0/org/quartz/Job.html

I'm just wondering if that architecture is being handled differently than the others you created.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Wednesday, December 4, 2013 4:17 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

I have plenty of classes that extend existing dotCMS classes. I am not changing the Quartz Job Class in any way by extending it with another class am I?

On Wed, Dec 4, 2013 at 4:04 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>> wrote:
Maybe it's the inheritance change introduce by extending the Quartz Job class? Inheritance changes aren't allowed according to the limitations.

That's the only thing I can think of at the moment that might cause this:

java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the schema (add/remove fields)
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>
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Date: Wednesday, December 4, 2013 3:55 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

So I have the jamm jar -- I built myself with the added:

<attribute name = "Can-Redefine-Classes" value = "true"/>
<attribute name = "Can-Retransform-Classes" value = "true"/>

And I put that in place -- it was giving me an error about transforming before that

The only 2 classes I have added are an abstract class that extends the Quartz Job class and adds a method that I want in all my Quartz Jobs, the second on is just a Quartz Job, and lastly I modified my Activator to schedule the quartz job.

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

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Falzone, Chris

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Dec 4, 2013, 5:09:09 PM12/4/13

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So after removing all that I still get the error:

ERROR: Bundle com.aquent [14] Error starting/stopping bundle. (org.osgi.framework.BundleException: Activator start error in bundle com.aquent [14].)

java.lang.UnsupportedOperationException: class redefinition failed: attempted to add a method

at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

at sun.instrument.InstrumentationImpl.redefineClasses(InstrumentationImpl.java:170)

at com.dotmarketing.osgi.UrlOsgiClassLoader.reload(UrlOsgiClassLoader.java:146)

at com.dotmarketing.osgi.GenericBundleActivator.injectContext(GenericBundleActivator.java:295)

at com.dotmarketing.osgi.GenericBundleActivator.injectContext(GenericBundleActivator.java:258)

at com.dotmarketing.osgi.GenericBundleActivator.scheduleQuartzJob(GenericBundleActivator.java:433)

at com.aquent.osgi.AquentActivator.scheduleJobs(AquentActivator.java:98)

at com.aquent.osgi.AquentActivator.start(AquentActivator.java:47)

at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:645)

at org.apache.felix.framework.Felix.activateBundle(Felix.java:2146)

at org.apache.felix.framework.Felix.startBundle(Felix.java:2064)

at org.apache.felix.framework.Felix.setBundleStartLevel(Felix.java:1483)

at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:334)

at java.lang.Thread.run(Thread.java:724)

It seems something specific to Scheduling Jobs.

The line in the code: https://github.com/dotCMS/dotCMS/blob/master/src/com/dotmarketing/osgi/GenericBundleActivator.java#L295

Nathan Keiter

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Dec 5, 2013, 8:47:35 AM12/5/13

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How does it compare to the example? https://github.com/dotCMS/dotCMS/tree/master/docs/examples/osgi/com.dotcms.job/src/main/java/com/dotmarketing/osgi/job

Does the example work on your system or throw the same error?

On Wed, Dec 4, 2013 at 4:39 PM, Falzone, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>> wrote:
So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator, though to your point the generic one I extended is an Abstract Class not an Interface.

I can try doing removing it for now, and maybe making a utility class to send my job report. I was just trying to be cool!

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Wednesday, December 4, 2013 4:17 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

I have plenty of classes that extend existing dotCMS classes. I am not changing the Quartz Job Class in any way by extending it with another class am I?

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

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Falzone, Chris

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Dec 5, 2013, 9:57:51 AM12/5/13

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From what I can tell it doesn't differ except that I have much more going on in plugin than just the job. I'll give this one a try and see.

Thanks!

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Christopher Falzone
Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com

cfal...@aquent.com

Falzone, Chris

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Dec 5, 2013, 10:55:48 AM12/5/13

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Ok, so the example job plugin works out of the box. I am starting to think that this has something to do with my build process or generated manifest. No idea what though.

The Manifest imports and exports look good. It is imported and the class that is using is exported.

The code is not somehow slurped into the jar or anything.

Maybe I am missing it? Here is the current version of my manifest: https://gist.github.com/cfalzone/7807924

Thanks!

Nathan Keiter

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Dec 5, 2013, 11:10:46 AM12/5/13

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Some ideas:

Can you extract the manifest from the generated jar of the example? How does it compare?

Does your Activator class extend GenericBundleActivator? Or are you using your own custom version? What happens if you use dotCMS's?

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Thursday, December 5, 2013 10:55 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

Ok, so the example job plugin works out of the box. I am starting to think that this has something to do with my build process or generated manifest. No idea what though.

The Manifest imports and exports look good. It is imported and the class that is using is exported.
The code is not somehow slurped into the jar or anything.

Maybe I am missing it? Here is the current version of my manifest: https://gist.github.com/cfalzone/7807924

Thanks!

On Thu, Dec 5, 2013 at 9:57 AM, Falzone, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>> wrote:
From what I can tell it doesn't differ except that I have much more going on in plugin than just the job. I'll give this one a try and see.

Thanks!

On Thu, Dec 5, 2013 at 8:47 AM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>> wrote:
How does it compare to the example? https://github.com/dotCMS/dotCMS/tree/master/docs/examples/osgi/com.dotcms.job/src/main/java/com/dotmarketing/osgi/job

Does the example work on your system or throw the same error?

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

On Wed, Dec 4, 2013 at 4:39 PM, Falzone, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>> wrote:
So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator, though to your point the generic one I extended is an Abstract Class not an Interface.

I can try doing removing it for now, and maybe making a utility class to send my job report. I was just trying to be cool!

On Wed, Dec 4, 2013 at 4:27 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>> wrote:
I don't know. Can't think of anything else. I'm sure you've exposed the correct packages and tried restarting the framework.

Have you ever created an abstract interface by extending an existing interface before? This one right? -> http://quartz-scheduler.org/api/2.0.0/org/quartz/Job.html

I'm just wondering if that architecture is being handled differently than the others you created.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

On Wed, Dec 4, 2013 at 4:04 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>> wrote:
Maybe it's the inheritance change introduce by extending the Quartz Job class? Inheritance changes aren't allowed according to the limitations.

That's the only thing I can think of at the moment that might cause this:

java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the schema (add/remove fields)
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

On Wed, Dec 4, 2013 at 3:52 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>>> wrote:
For case #1, note the limitations on this page: http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

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Nathan Keiter

unread,

Dec 5, 2013, 11:34:27 AM12/5/13

to dot...@googlegroups.com

Are you sure you need to Export-Package [org.json]? That looks a little
odd to me. (You have it in the Import-Package list as well.)

Export-Package:
com.aquent.jobs;version=0;uses:="org.quartz",
com.aquent.openid;version=0;uses:="javax.servlet,javax.servlet.http",
com.aquent.osgi;version=0;uses:="com.dotmarketing.osgi,org.osgi.framework"
,
com.aquent.solr;version=0;uses:="org.apache.velocity.tools.view.servlet,or
g.apache.velocity.tools.view.tools",
com.aquent.upgrade;version=0;uses:="javax.servlet,javax.servlet.http",
com.aquent.ws;version=0,
org.json;version=0

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog

<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nkeiter@getty

c...@googlegroups.com>>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

c...@googlegroups.com>>>>

Date: Wednesday, December 4, 2013 4:17 PM
To:

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

c...@googlegroups.com>>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

c...@googlegroups.com>>>>

Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

I have plenty of classes that extend existing dotCMS classes. I am not
changing the Quartz Job Class in any way by extending it with another
class am I?

On Wed, Dec 4, 2013 at 4:04 PM, Nathan Keiter

ttysburg.edu>>>> wrote:
Maybe it's the inheritance change introduce by extending the Quartz Job
class? Inheritance changes aren't allowed according to the limitations.

That's the only thing I can think of at the moment that might cause this:

java.lang.UnsupportedOperationException: class redefinition failed:
attempted to change the schema (add/remove fields)
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

Date: Wednesday, December 4, 2013 3:55 PM
To:

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

So I have the jamm jar -- I built myself with the added:

<attribute name = "Can-Redefine-Classes" value = "true"/>
<attribute name = "Can-Retransform-Classes" value = "true"/>

And I put that in place -- it was giving me an error about transforming
before that

The only 2 classes I have added are an abstract class that extends the
Quartz Job class and adds a method that I want in all my Quartz Jobs, the
second on is just a Quartz Job, and lastly I modified my Activator to
schedule the quartz job.

On Wed, Dec 4, 2013 at 3:52 PM, Nathan Keiter

<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nkeiter@getty
sburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mai
lto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nkeiter@ge
ttysburg.edu>>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu
><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nkei
>t...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nkeiter@gettysbur

>g.edu<mailto:nke...@gettysburg.edu>>>>> wrote:
For case #1, note the limitations on this page:
http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-

337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>><tel:717-337
-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-699

3<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris
<cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com

com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>>>
Reply-To:

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

s.com<mailto:dot...@googlegroups.com>>>>>>
Date: Wednesday, December 4, 2013 3:29 PM
To:

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dotcms@goog
legroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.co

m<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot

s.com<mailto:dot...@googlegroups.com>>>>>>
Subject: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

I have this error happening when my osgi plugin tries to start up. I
looked it up and the first result was:
https://gist.github.com/bryanboza/6611533

I wonder if anyone has tackled this and knows how to fix.

--

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Interactive Developer

A Q U E N T

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aquent.com<http://aquent.com><http://aquent.com><http://aquent.com><http://

om><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>>

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Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com<http://aquent.com><http://aquent.com><http://aquent.com><http://
aquent.com>

cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<

mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfalzone@aqu
ent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>><mailto:cf
alz...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<ma
ilto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfalzone@aquen

t.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>

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mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfalzone@aqu

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aquent.com<http://aquent.com><http://aquent.com>

cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<
mailto:cfal...@aquent.com>>

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Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com<http://aquent.com><http://aquent.com>

cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<
mailto:cfal...@aquent.com>>

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Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

aquent.com<http://aquent.com>

cfal...@aquent.com<mailto:cfal...@aquent.com>

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Nathan Keiter

unread,

Dec 5, 2013, 12:04:45 PM12/5/13

to dot...@googlegroups.com

Another thought:

This might be a difference between Ant style and Gradle style, but
typically I don't Import-Package any dotCMS packages.

I take a very minimalistic approach in my manifests.

For me the Import-Package list usually only contains org.osgi.framework +
any packages from external library jars.

If no external library jars are used, org.osgi.framework is the only item
on the list.

This works well for me so far in all my OSGI plugins. (Using Ant.)

Falzone, Chris

unread,

Dec 5, 2013, 12:11:35 PM12/5/13

to dot...@googlegroups.com

I don't understand how that would work though, if you don't import them and they are not in your plugin or jars in your plugin then how does it know where to find them?

Either way I've narrowed down the problem though.

http://screencast.com/t/xV3e3D0HDwM

For some reason the build is slurping org.json classes into it and that is what is causing the error. Maybe this is just a gradle bug? I don't know how to make it stop doing that. I've tried providing the json.jar library into my third party jars and telling it not import org.json.* but that didn't do the trick

cfal...@aquent.com

Nathan Keiter

unread,

Dec 5, 2013, 12:18:50 PM12/5/13

to dot...@googlegroups.com

Glad you found it. I thought that org.json entry looked odd.

"I don't understand how that would work though, if you don't import them and they are not in your plugin or jars in your plugin then how does it know where to find them?"

-> For Ant, it includes the dotcms jar in your build path. (For example, it won't work if you haven't deployed dotcms.)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Thursday, December 5, 2013 12:11 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

I don't understand how that would work though, if you don't import them and they are not in your plugin or jars in your plugin then how does it know where to find them?

Either way I've narrowed down the problem though.

http://screencast.com/t/xV3e3D0HDwM

For some reason the build is slurping org.json classes into it and that is what is causing the error. Maybe this is just a gradle bug? I don't know how to make it stop doing that. I've tried providing the json.jar library into my third party jars and telling it not import org.json.* but that didn't do the trick

On Thu, Dec 5, 2013 at 12:04 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>> wrote:
Another thought:

This might be a difference between Ant style and Gradle style, but
typically I don't Import-Package any dotCMS packages.

I take a very minimalistic approach in my manifests.

For me the Import-Package list usually only contains org.osgi.framework +
any packages from external library jars.

If no external library jars are used, org.osgi.framework is the only item
on the list.

This works well for me so far in all my OSGI plugins. (Using Ant.)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

-----Original Message-----
From: Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Thursday, December 5, 2013 11:34 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

Are you sure you need to Export-Package [org.json]? That looks a little
odd to me. (You have it in the Import-Package list as well.)

Export-Package:

com.aquent.jobs<http://com.aquent.jobs>;version=0;uses:="org.quartz",

com.aquent.openid;version=0;uses:="javax.servlet,javax.servlet.http",
com.aquent.osgi;version=0;uses:="com.dotmarketing.osgi,org.osgi.framework"
,
com.aquent.solr;version=0;uses:="org.apache.velocity.tools.view.servlet,or
g.apache.velocity.tools.view.tools",
com.aquent.upgrade;version=0;uses:="javax.servlet,javax.servlet.http",

com.aquent.ws<http://com.aquent.ws>;version=0,

org.json;version=0

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

-----Original Message-----
From: Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Thursday, December 5, 2013 11:10 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

Some ideas:

Can you extract the manifest from the generated jar of the example? How
does it compare?

Does your Activator class extend GenericBundleActivator? Or are you using
your own custom version? What happens if you use dotCMS's?

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Thursday, December 5, 2013 10:55 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

Ok, so the example job plugin works out of the box. I am starting to
think that this has something to do with my build process or generated
manifest. No idea what though.

The Manifest imports and exports look good. It is imported and the class
that is using is exported.
The code is not somehow slurped into the jar or anything.

Maybe I am missing it? Here is the current version of my manifest:
https://gist.github.com/cfalzone/7807924

Thanks!

On Thu, Dec 5, 2013 at 9:57 AM, Falzone, Chris

<cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>> wrote:
From what I can tell it doesn't differ except that I have much more going
on in plugin than just the job. I'll give this one a try and see.

Thanks!

On Thu, Dec 5, 2013 at 8:47 AM, Nathan Keiter
<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>> wrote:
How does it compare to the example?
https://github.com/dotCMS/dotCMS/tree/master/docs/examples/osgi/com.dotcms.
job/src/main/java/com/dotmarketing/osgi/job

Does the example work on your system or throw the same error?

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

<cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>

<mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>> wrote:
So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob
extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator,
though to your point the generic one I extended is an Abstract Class not
an Interface.

I can try doing removing it for now, and maybe making a utility class to
send my job report. I was just trying to be cool!

On Wed, Dec 4, 2013 at 4:27 PM, Nathan Keiter

<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nkeiter@getty<mailto:nkeiter@getty>

sburg.edu<http://sburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>> wrote:
I don't know. Can't think of anything else. I'm sure you've exposed the
correct packages and tried restarting the framework.

Have you ever created an abstract interface by extending an existing
interface before? This one right? ->
http://quartz-scheduler.org/api/2.0.0/org/quartz/Job.html

I'm just wondering if that architecture is being handled differently than
the others you created.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>

Date: Wednesday, December 4, 2013 4:17 PM
To:

ttysburg.edu<http://ttysburg.edu>>>>> wrote:
Maybe it's the inheritance change introduce by extending the Quartz Job
class? Inheritance changes aren't allowed according to the limitations.

That's the only thing I can think of at the moment that might cause this:

java.lang.UnsupportedOperationException: class redefinition failed:
attempted to change the schema (add/remove fields)
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993>><tel:717-

Date: Wednesday, December 4, 2013 3:55 PM
To:

Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

So I have the jamm jar -- I built myself with the added:

<attribute name = "Can-Redefine-Classes" value = "true"/>
<attribute name = "Can-Retransform-Classes" value = "true"/>

And I put that in place -- it was giving me an error about transforming
before that

The only 2 classes I have added are an abstract class that extends the
Quartz Job class and adds a method that I want in all my Quartz Jobs, the
second on is just a Quartz Job, and lastly I modified my Activator to
schedule the quartz job.

On Wed, Dec 4, 2013 at 3:52 PM, Nathan Keiter

>g.edu<http://g.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>>>> wrote:
For case #1, note the limitations on this page:
http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-
337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>><tel:717-337
-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-699
3<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris

Date: Wednesday, December 4, 2013 3:29 PM
To:

Subject: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

I have this error happening when my osgi plugin tries to start up. I
looked it up and the first result was:
https://gist.github.com/bryanboza/6611533

I wonder if anyone has tackled this and knows how to fix.

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Falzone, Chris

unread,

Dec 5, 2013, 12:39:02 PM12/5/13

to dot...@googlegroups.com

Hmm Interesting - So instead of importing the dotCMS classes you are providing them with a jar.

So I was able to get gradle to stop slurping up the org.json stuff. But now I get the same error on com.aquent.jobs.CWJobImporter .. It doesn't make any sense that it would even want to redefine a class that shouldn't even be there.

I've even tried stopping and starting to see if the problem was that it somehow got in the classloader and never got out or something. No dice, unless the osgi classloader persists to stop/start of dotcms somehow.

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aquent.com

cfal...@aquent.com

Nathan Keiter

unread,

Dec 5, 2013, 12:47:27 PM12/5/13

to dot...@googlegroups.com

I've seen that before if an OSGI stop command fails sometimes Class artifacts are still in memory. A framework restart usually purges it.

Not sure why it would persist after a dotCMS stop/start though.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Date: Thursday, December 5, 2013 12:39 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

Hmm Interesting - So instead of importing the dotCMS classes you are providing them with a jar.

So I was able to get gradle to stop slurping up the org.json stuff. But now I get the same error on com.aquent.jobs.CWJobImporter .. It doesn't make any sense that it would even want to redefine a class that shouldn't even be there.

I've even tried stopping and starting to see if the problem was that it somehow got in the classloader and never got out or something. No dice, unless the osgi classloader persists to stop/start of dotcms somehow.

On Thu, Dec 5, 2013 at 12:18 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>> wrote:
Glad you found it. I thought that org.json entry looked odd.

"I don't understand how that would work though, if you don't import them and they are not in your plugin or jars in your plugin then how does it know where to find them?"

-> For Ant, it includes the dotcms jar in your build path. (For example, it won't work if you haven't deployed dotcms.)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Thursday, December 5, 2013 12:11 PM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error - java.lang.UnsupportedOperationException

I don't understand how that would work though, if you don't import them and they are not in your plugin or jars in your plugin then how does it know where to find them?

Either way I've narrowed down the problem though.

http://screencast.com/t/xV3e3D0HDwM

For some reason the build is slurping org.json classes into it and that is what is causing the error. Maybe this is just a gradle bug? I don't know how to make it stop doing that. I've tried providing the json.jar library into my third party jars and telling it not import org.json.* but that didn't do the trick

On Thu, Dec 5, 2013 at 12:04 PM, Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>> wrote:
Another thought:

This might be a difference between Ant style and Gradle style, but
typically I don't Import-Package any dotCMS packages.

I take a very minimalistic approach in my manifests.

For me the Import-Package list usually only contains org.osgi.framework +
any packages from external library jars.

If no external library jars are used, org.osgi.framework is the only item
on the list.

This works well for me so far in all my OSGI plugins. (Using Ant.)

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

-----Original Message-----
From: Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Thursday, December 5, 2013 11:34 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

Are you sure you need to Export-Package [org.json]? That looks a little
odd to me. (You have it in the Import-Package list as well.)

Export-Package:

com.aquent.jobs<http://com.aquent.jobs><http://com.aquent.jobs>;version=0;uses:="org.quartz",

com.aquent.ws<http://com.aquent.ws><http://com.aquent.ws>;version=0,

org.json;version=0

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

-----Original Message-----
From: Nathan Keiter <nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Date: Thursday, December 5, 2013 11:10 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>" <dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>
Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

Some ideas:

Can you extract the manifest from the generated jar of the example? How
does it compare?

Does your Activator class extend GenericBundleActivator? Or are you using
your own custom version? What happens if you use dotCMS's?

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris <cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>
Reply-To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>>
Date: Thursday, December 5, 2013 10:55 AM
To: "dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>"
<dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>>>
Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

Ok, so the example job plugin works out of the box. I am starting to
think that this has something to do with my build process or generated
manifest. No idea what though.

The Manifest imports and exports look good. It is imported and the class
that is using is exported.
The code is not somehow slurped into the jar or anything.

Maybe I am missing it? Here is the current version of my manifest:
https://gist.github.com/cfalzone/7807924

Thanks!

On Thu, Dec 5, 2013 at 9:57 AM, Falzone, Chris

<cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>> wrote:
From what I can tell it doesn't differ except that I have much more going
on in plugin than just the job. I'll give this one a try and see.

Thanks!

On Thu, Dec 5, 2013 at 8:47 AM, Nathan Keiter
<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>> wrote:
How does it compare to the example?
https://github.com/dotCMS/dotCMS/tree/master/docs/examples/osgi/com.dotcms.
job/src/main/java/com/dotmarketing/osgi/job

Does the example work on your system or throw the same error?

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

<mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>> wrote:
So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob
extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator,
though to your point the generic one I extended is an Abstract Class not
an Interface.

I can try doing removing it for now, and maybe making a utility class to
send my job report. I was just trying to be cool!

On Wed, Dec 4, 2013 at 4:27 PM, Nathan Keiter

sburg.edu<http://sburg.edu><http://sburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>>> wrote:
I don't know. Can't think of anything else. I'm sure you've exposed the
correct packages and tried restarting the framework.

Have you ever created an abstract interface by extending an existing
interface before? This one right? ->
http://quartz-scheduler.org/api/2.0.0/org/quartz/Job.html

I'm just wondering if that architecture is being handled differently than
the others you created.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453

717-337-6993<tel:717-337-6993><tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>

Date: Wednesday, December 4, 2013 4:17 PM
To:

Date: Wednesday, December 4, 2013 3:55 PM
To:

>g.edu<http://g.edu><http://g.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>>>>>> wrote:
For case #1, note the limitations on this page:
http://dotcms.com/docs/latest/DynamicPluginsOverride

[cid:DB4169FA-3AF6-47BB-96C8-03B06063073C]

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-
337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>><tel:717-337
-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-699
3<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris

Date: Wednesday, December 4, 2013 3:29 PM
To:

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Interactive Developer

A Q U E N T

Digital, Creative, and Marketing Talent

mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>

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Falzone, Chris

unread,

Dec 5, 2013, 1:04:58 PM12/5/13

to dot...@googlegroups.com

So as it turns out it is not the same error I am getting this:

https://gist.github.com/anonymous/c47bc388243d0085b5a6

InternalError now instead of the UnsupportedWhatever Not sure what it means though

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Christopher Falzone
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Jonathan Gamba

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Dec 5, 2013, 2:48:32 PM12/5/13

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Chris I'm familiar with the java.lang.UnsupportedOperationException, and I know it can be fixed building the jamm jar with the proper headers on the manifest, but that java.lang.InternalError to be honest is new for me, it is possible to get a plugin example from you with the java.lang.InternalError problem, I can look at it and try to see whats wrong, it is a scary exception, I would like to see what the problem is.

"dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dotcm...@googlegroups.com<mailto:dotc...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>>><mailto:dot...@goog<mailto:dotcms@goog><mailto:dot...@goog<mailto:dot...@goog>>
legroups.com<http://legroups.com><http://legroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dotcms@googlegroups.com>>>>"
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<cfal...@aquent.com<mailto:cfalz...@aquent.com><mailto:cfalzo...@aquent.com<mailto:cfalzone...@aquent.com>><mailto:cfalzone@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>

<mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>> wrote:
So this is how I tried to do it: https://gist.github.com/cfalzone/7791020

Then each of my quartz jobs extend that like - public class CWImporterJob
extends AquentQuartzJob

This is the same sort of pattern I used with my ExtendedBundleActivator,
though to your point the generic one I extended is an Abstract Class not
an Interface.

I can try doing removing it for now, and maybe making a utility class to
send my job report. I was just trying to be cool!

On Wed, Dec 4, 2013 at 4:27 PM, Nathan Keiter

<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>><mailto:nkeiter@getty<mailto:nke...@getty><mailto:nke...@getty<mailto:nkeiter@getty>>

sburg.edu<http://sburg.edu><http://sburg.edu><mailto:nkeiter@gettysburg.edu<mailto:nkeiter@gettysburg.edu><mailto:nkeiter...@gettysburg.edu<mailto:nkeiter...@gettysburg.edu>>>>> wrote:
I don't know. Can't think of anything else. I'm sure you've exposed the
correct packages and tried restarting the framework.

Have you ever created an abstract interface by extending an existing
interface before? This one right? ->
http://quartz-scheduler.org/api/2.0.0/org/quartz/Job.html

I'm just wondering if that architecture is being handled differently than
the others you created.

Nathan

Nathan I. Keiter
Lead Network Applications Programmer
DataSystems
Gettysburg College
Campus Box 2453
717-337-6993<tel:717-337-6993><tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>><tel:717-337-6993<tel:717-337-6993><tel:717-337-6993<tel:717-337-6993>>>

Measure your success by the level of service you provide.
Si hoc legere scis nimium eruditionis habes.

From: <Falzone>, Chris
<cfal...@aquent.com<mailto:cfalz...@aquent.com><mailto:cfalzo...@aquent.com<mailto:cfalzone...@aquent.com>><mailto:cfalzone@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>
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Reply-To:

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Date: Wednesday, December 4, 2013 4:17 PM
To:

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Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

I have plenty of classes that extend existing dotCMS classes. I am not
changing the Quartz Job Class in any way by extending it with another
class am I?

On Wed, Dec 4, 2013 at 4:04 PM, Nathan Keiter

<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>><mailto:nkeiter@getty<mailto:nke...@getty><mailto:nke...@getty<mailto:nkeiter@getty>>
sburg.edu<http://sburg.edu><http://sburg.edu><mailto:nkeiter@gettysburg.edu<mailto:nkeiter@gettysburg.edu><mailto:nkeiter...@gettysburg.edu<mailto:nkeiter...@gettysburg.edu>>>><mailto:nkei...@gettysburg.edu<mailto:nkei...@gettysburg.edu><mailto:nkei...@gettysburg.edu<mailto:nkei...@gettysburg.edu>><mai
lto:n...@gettysburg.edu<mailto:lto%3A...@gettysburg.edu><mailto:lto%3Ank...@gettysburg.edu<mailto:lto%253...@gettysburg.edu>>><mailto:nkeite...@gettysburg.edu<mailto:nkeite...@gettysburg.edu><mailto:nkeit...@gettysburg.edu<mailto:nkeit...@gettysburg.edu>><mailto:nkeiter@ge<mailto:nke...@ge><mailto:nke...@ge<mailto:nkeiter@ge>>

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c...@googlegroups.com<mailto:cms...@googlegroups.com><mailto:cms@googlegroups.com<mailto:c...@googlegroups.com>>>>><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com><mailto:dot...@googlegroups.com<mailto:dot...@googlegroups.com>><mailto:dot...@google<mailto:dot...@google><mailto:dotcms@google<mailto:dot...@google>>
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Date: Wednesday, December 4, 2013 3:55 PM
To:

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Subject: Re: [dotcms] OSGI Plugin Start Error -
java.lang.UnsupportedOperationException

So I have the jamm jar -- I built myself with the added:

<attribute name = "Can-Redefine-Classes" value = "true"/>
<attribute name = "Can-Retransform-Classes" value = "true"/>

And I put that in place -- it was giving me an error about transforming
before that

The only 2 classes I have added are an abstract class that extends the
Quartz Job class and adds a method that I want in all my Quartz Jobs, the
second on is just a Quartz Job, and lastly I modified my Activator to
schedule the quartz job.

On Wed, Dec 4, 2013 at 3:52 PM, Nathan Keiter

<nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu><mailto:nke...@gettysburg.edu<mailto:nke...@gettysburg.edu>>><mailto:nkeiter@getty<mailto:nke...@getty><mailto:nke...@getty<mailto:nkeiter@getty>>
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com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com><mailto:cfal...@aquent.com<mailto:cfal...@aquent.com>>>>>>>>
Reply-To:

"<a href="mailt
...

Falzone, Chris

unread,

Dec 5, 2013, 3:53:04 PM12/5/13

to dot...@googlegroups.com

So the problem for me ended up being the jamm jar. The Guys at dotCMS sent me a jamm jar that worked for me, but I do not know what they changed to make it work. I assume they are planning to make this part of 2.5.3. Maybe JT can explain better. But I did get it working

Thanks everyone for you help.

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Chris Falzone

unread,

Feb 13, 2014, 8:01:52 AM2/13/14

to dot...@googlegroups.com

I am on 2.5.2 now and I am back to this issue again: https://gist.github.com/cfalzone/8974606

Despite haveing the rebuild jamm jar (attached) from dotCMS, when I try to schedule a job I run into this error.

The job itself is fairly simple: https://gist.github.com/cfalzone/8974651

Anyone have any thoughts on how to resolve this?

jamm-0.2.5-1.jar

Chris Falzone

unread,

Feb 13, 2014, 8:35:39 AM2/13/14

to dot...@googlegroups.com

NVM I figured it out. I accidentally removed the line from my build.gradle that told it to exclude the org.json classes in the jar which only get included because of a bug in the way the gradle plugin uses bnd I think.

exclude('org/json/*')

in the jar task did it for me.

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