0.9 release

[David Dawson]

Hi guys,

I've released the 0.9 version of the GWT plugin.

Release notes here -> http://jira.grails.org/secure/ReleaseNote.jspa?projectId=10133&version=13325

I've focused mainly on stabilisation, bug fixing and improving the dev experience for this release.

I'd appreciate some testing of the changes and regression checks against your apps.

Next release will focus on improvements, if you have any suggestions for what to prioritise, please throw them in now.  Issues with pull requests will, of course, be prioritised.

Best,

David.

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Tel: +44 (0) 7866 011 256

Web: www.simplicityitself.com  

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Twitter : @davidthecoder

[Nathan Dunn]

I'm getting this error now that I updated to 0.9.  

Previously I had:

      compile(':gwt:0.8') {

          exclude 'spock'

      }

Nathan

Here is the BuildConfig.groovy:

        compile ':gwt:0.9'

% grails war 

| Compiling 250 source files.

| Error Compilation error: startup failed:

Compile error during compilation with javac.

/Users/NathanDunn/.grails/2.2.1/projects/metagenomicsdb/plugins/gwt-0.9/src/java/grails/plugins/gwt/client/GwtActionService.java:3: package com.google.gwt.user.client.rpc does not exist

import com.google.gwt.user.client.rpc.RemoteService;

                                     ^

/Users/NathanDunn/.grails/2.2.1/projects/metagenomicsdb/plugins/gwt-0.9/src/java/grails/plugins/gwt/client/GwtActionService.java:12: cannot find symbol

symbol: class RemoteService

public interface GwtActionService extends RemoteService {

                                          ^

/Users/NathanDunn/.grails/2.2.1/projects/metagenomicsdb/plugins/gwt-0.9/src/java/grails/plugins/gwt/client/GwtActionServiceAsync.java:3: package com.google.gwt.user.client.rpc does not exist

import com.google.gwt.user.client.rpc.AsyncCallback;

                                     ^

/Users/NathanDunn/.grails/2.2.1/projects/metagenomicsdb/plugins/gwt-0.9/src/java/grails/plugins/gwt/client/GwtActionServiceAsync.java:11: cannot find symbol

symbol  : class AsyncCallback

location: interface grails.plugins.gwt.client.GwtActionServiceAsync

    <T extends Response> void execute(Action<T> action, AsyncCallback<T> callback);

                                                        ^

Note: /Users/NathanDunn/.grails/2.2.1/projects/metagenomicsdb/plugins/shiro-1.1.4/src/java/org/apache/shiro/grails/LegacyShiroFilter.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: Some input files use unchecked or unsafe operations.

Note: Recompile with -Xlint:unchecked for details.

4 errors

1 error

NathanDunn:metagenomicsdb% 

Nathan Dunn, PhD.

541-221-2418

CAS Scientific Programmer

http://blogs.uoregon.edu/casspr/
nd...@cas.uoregon.edu

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[Ben]

Hi Nathan,

just to be sure, did you try to drop the Grails bomb and compile from scratch?

1) Delete the project folder under <user home>/.grails/2.2.1/projects/<your application>

2) Run a 'grails clean'

3) Run a 'grails compile', run in 2-3 times if it doesn't succeed at once

Cheers,

Ben

2013/6/18 Nathan Dunn <nd...@cas.uoregon.edu>

[Nathan Dunn]

I did exactly that (though I just wiped my ~/.grails directory).  Nothing has changed with my GWT (still works fine with the old GWT plugin) setup (2.5.1).  

Nathan

[David Dawson]

Which gwt version was the one you used before?  I'll check for a regression.

[Nathan Dunn]

Same 2.5.1 ... Only thing that changed was the plugin version. 

Nathan

[Nathan Dunn]

I get the same result if I create an empty grails project and add 

        compile ':gwt:0.9'

to the plugins section of BuildConfig.groovy

[Nathan Dunn]

Wiped ~/.ivy2 and ~/.grails.   Doing a grails clean works fine if I revert back to 0.8, exclude "spock".  On 0.9 excluding "spock" doesn't work.   

On an empty project this works file (with compile) with 0.9.  Its possible it conflicts with another plugin.  

On Tuesday, June 18, 2013 1:09:48 PM UTC-7, Nathan Dunn wrote:

[Nathan Dunn]

The working path is:

rm -rf ~/.grails/2.2.1/projects/<project-path>

   compile(':gwt:0.8') {

          exclude 'spock'

      }

change that to 

   compile ':gwt:0.9'

It works.   

However, it fails when I do:

rm -rf ~/.grails/2.2.1/projects/<project-path>

compile ':gwt:0.9'

I then get the errors I got below.     I guess that I will post it in a bug . . . might be easier to track.  

[David Dawson]

Would you happen to be using an external GWT_HOME by any chance?

if so, could you try adding 

gwt {

version = "2.5.1"

}

into BuildConfig.groovy and rechecking?   It might be that the handling of GWT_HOME has been broken somehow (I'd be thrilled to remove it tbh, its a pest to maintain)

--
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Dawson Systems Ltd

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[Ben]

Hi David,

I agree, it would be very nice to get rid of GWT_HOME. However, so far we never managed to get the gwt.version resolution mechanism to reliably work, there were always problem with the dependencies in the classpath or compilation errors at some point... so far I didn't manage to pinpoint the actual problem, though.

Does the gwt.verison mechanism is working for someone that has a more sophisticated application setup with multiple plugins that also contain GWT modules?

Cheers,
Ben

2013/6/20 David Dawson <david....@dawsonsystems.com>

--

[David Dawson]

Hi Ben,

I think you've mentioned this type of set up before (or I remember a bug)

The apps I maintain have GWT modules hosted in many plugins, however modules are built within each plugin and converted to javascript during plugin publishing. The top level application integrates the plugins into a single app, but does not GWT work of its own, its all just html and javascript by that point.

What does your layout look like?  I'd be interested to know how that could be handled better

[Nathan Dunn]

Yeah, I had been setting GWT_HOME as per the instructions:

http://grails.org/plugin/gwt

https://github.com/dawsonsystems/grails-gwt/blob/master/grails-app/conf/BuildConfig.groovy

I did over-ride the plugin (once installed) here:

~/.grails/2.2.1/projects/metagenomicsdb/plugins/gwt-0.9/dependencies.groovy

That works (I have to compile twice after a clean), but obviously a hack.  

So, here are the issues:

1 - Can I do this without GWT_HOME (and does it work better)?   If so, how?  I don't see any instructions on this?

2 - Doing an update on the plugin is a bit of a hack.  Is there a more programatic way I could specify this 

I looked here, it gives the options, but doesn't quite say where to put them:

http://dawsonsystems.github.io/grails-gwt/guide/5.%20Configuration.html

I can't get it to work with the proper settings in Config.groovy or BuildConfig.groovy. 

I very much appreciate your help on this.  Thanks,

Nathan

[Nathan Dunn]

Sorry, I'm a bit dense. You meant at the bottom (or presumably at the top) of BuildConfig.groovy in its own block.  

gwt {

    version = "2.5.1"

}

I actually unset GWT_HOME, as well.   After a few tries (timeout errors during jar download?) it completed and compiled successfully.  So some quick comments:

1 - I think that this should be the preferred / default method in the instructions: http://grails.org/plugin/gwt

2 - I think that the version should be a required parameter, since it will be wrong about half of the time and cause errors. 

3 - I think that leaving the specification of GWT_HOME in there is good.  Occasionally, I've had to patch GWT and wanted to specify my own version.

Great plugin.   I'm not sure if you've seen this:

http://blog.websitesframeworks.com/2013/03/web-framework-comparison-matt-raible-opinion-138/

But in my experience, I would tend to agree (at least for the projects I've worked on).  

Nathan  

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[David Dawson]

Ok. It seems likely there has been a regression of the gwt_home handling in 0.9, I'll look into that tomorrow and hopefully confirm and issue a point release.

Nathan, would you mind putting those three points into jira? I think they are all very reasonable, having them in jira will let them be tracked and included in the next release.

Best

David

[Nathan Dunn]

Definitely. 

Nathan