ClassNotFoundException com.izforge.izpack.panels.path.PathSelectionPanel

[Juan. Tecknolab]

Hi,

I am trying to build my first 'mock-up' installer with IzPack, just using some sample code from the documentation.

IzPack Version: 5.1.6.

java: 1.8.0_151

Platform: Windows 10

The installer compiles OK and runs OK with the -console option, but when trying a gui installation (java -jar install.jar -debug -trace -stacktrace) it generates an exception java.lang.ClassNotFoundException: com.izforge.izpack.panels.path.PathSelectionPanel.

If the installer descriptor has a privileged mode setting (  <run-privileged condition="izpack.windowsinstall"/> ), it does nothing, exiting silently with no errors.

Thx for your help.

[Andreas Kuhtz]

Hi,

I don't konw where you got izpack-5.1.6 from but the latest released version is 5.1.2.

Try to change the run-privileged to:
        <run-privileged condition="izpack.windowsinstall.vista|izpack.windowsinstall.7|izpack.windowsinstall.8|izpack.windowsinstall.10" />

Cheers,

Andreas

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[Juan. Tecknolab]

Sorry. It was a typo. I am using 5.1.2.

With the change in run-privileged, same results. In fact, I am doing nothing privileged (actually, I am doing nothing, just asking some data and using a 'dumb' pack section with a folder with a dumb file inside), so the setup should work without the run-privileged section. Curiously, results are quite different (no errors no panels window with the run-privileged, class-not-found exception without it).

<packs>

    <pack name="Test Core" required="yes">

      <description>The core files needed for the application</description>

      <fileset dir="plain" targetdir="${INSTALL_PATH}" override="true"/>

      <parsable targetfile="${INSTALL_PATH}/test.properties"/>

    </pack>

</packs>

Regards.

  

On Monday, November 27, 2017 at 10:30:12 AM UTC+1, Andreas Kuhtz wrote:

Hi,

I don't konw where you got izpack-5.1.6 from but the latest released version is 5.1.2.

Try to change the run-privileged to:
        <run-privileged condition="izpack.windowsinstall.vista|izpack.windowsinstall.7|izpack.windowsinstall.8|izpack.windowsinstall.10" />

Cheers,

Andreas

2017-11-27 10:15 GMT+01:00 Juan. Tecknolab <in...@tecknolab.com>:

Hi,

I am trying to build my first 'mock-up' installer with IzPack, just using some sample code from the documentation.

IzPack Version: 5.1.6.

java: 1.8.0_151

Platform: Windows 10

The installer compiles OK and runs OK with the -console option, but when trying a gui installation (java -jar install.jar -debug -trace -stacktrace) it generates an exception java.lang.ClassNotFoundException: com.izforge.izpack.panels.path.PathSelectionPanel.

If the installer descriptor has a privileged mode setting (  <run-privileged condition="izpack.windowsinstall"/> ), it does nothing, exiting silently with no errors.

Thx for your help.

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[Andreas Kuhtz]

Hi,

Strange. I've the same (<parsable ... >) in my installer and it works.

Do you use maven to build the installer?

Can you share the project on github?

Cheers,

Andreas

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[Juan. Tecknolab]

No, I am using command line compiler.  I have uploaded the sample to https://github.com/tecknolab/IzPackSample

[Juan. Tecknolab]

It seems the command line compiler is not packaging correctly all the dependencies in the final jar. It is including the std panel's classes (Hello, Finish, ..) but not the classes these panels depend upon (as PathSelectionPanel).

I am trying to test using maven (with eclipse) but I am not familiar with maven and I am not being able to set it up correctly using the examples in the documentation (it generates an error " For artifact {null:null:null:izpack-jar}: the groupId cannot be empty." ).

Do you have any complete sample pom.xml file I can grab and use? I am seeing this (https://github.com/aspear/izpack5-example-installer/blob/master/installer/pom.xml) but it seems not updated (using a broker reference, https://nexus.codehaus.org/content/repositories/releases).

Thanks in advance.

[Andreas Kuhtz]

Hi,

You can use this repo: https://github.com/akuhtz/izpack-test

I added a parsable to the installer.

Cheers,

Andreas

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[Juan. Tecknolab]

Sorry for being a newbie with maven... I have downloaded and imported your maven project into Eclipse, with no issue. I do a Maven\Update Project and Project\Build and the staging area is correctly generated (so those components of the POM are running) but no installer generated (nor errors...). I suppose I have some incorrect settings at eclipse level... Attached the project Maven Lifecycle mapping as shown in Eclipse (the ignores in izpack seems not good to me)

I would really appreciate your help on this even understanding it is slightly off-topic.

Regards.

[Andreas Kuhtz]

Hi,

From within Eclipse you can use "Run As" > "Maven install" to perform the build.
Sometimes you need the "Maven clean" goal, but you could run that in combination with install via "Maven build ..." and enter the "Goals" "clean install" (see screenshot).

The installer is then available in the target subdirectory of your project (this is maven default behaviour).

Hope this helps. Please ask if something is still not clear.

Cheers,

Andreas

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[Juan. Tecknolab]

Perfect. It works!! Now I only have to expend some time to understand why your installer is working and mine don't.... I'll compare and try to find the difference.

Thx & Regards.

[Juan. Tecknolab]

I've found where is the problem. It seems that target panel is mandatory, otherwise the "ClassNotFoundException" is raised. I find this behaviour not completely convenient since I may want to design a installer that is not installing anything physically at the server filesystem (in fact, this is pretty much my case, I would be working with a database, not deploying jars or whatever at the server filesystem).

Is this strictly necessary?

Thx!

[René Krell]

Hi Juan,

this is a known culprit of IzPack, see https://izpack.atlassian.net/browse/IZPACK-952.

Needs somebody to deal with it in general :-)

Regards,

René

Dne středa 29. listopadu 2017 16:48:17 UTC+1 Juan. Tecknolab napsal(a):

[Andreas Kuhtz]

Hi,

You could add your own custom TargetPanel that skips the validation (override isValidated() to not call super class and maybe saveData() in TargetPanel) but I'm not sure if there is something later that depends on the path ...

To create a custom panel there is a sample project here that should work:
https://github.com/akuhtz/izpack-custom-test.git

The custom panel is in a separate project (izpack-custom-test\izpack-custom) because it must be build before the installer is created.
You have to add the dependency of the custom panel as dependency for the project with the installer. See the pom.xml in the izpack-custom-test\izpack-test project.

Cheers,

Andreas

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