Hi Francesco,
Sorry that you've been running into trouble. I've tried to reproduce the
problem by:

1) Installing Eclipse 3.3.2 on Linux
2) Installing version 1.1.1 of the plugin and the 1.7.1 GWT SDK
3) Restarting Eclipse
4) Creating a new Project
5) Adding some JSNI to one of the client classes
6) Upgrading the plugin to 1.1.2
7) Restarting Eclipse
7) Rebuilding the project

I was not able to see the behavior that you're running into.

When you say that you "reverted" your previous configuration, how exactly
did you do that? Did you just uninstall the newer version of the plugin, and
when the old one was present, all seemed to work well?

Also, can you tell me how you installed the plugin the first time? Did you
do it via the update site, or using the zip files? When you upgraded the
plugin, did you do so with a zip file, or using the update site? Did you
update your GWT SDK as well?


Rajeev



On Thu, Oct 15, 2009 at 11:43 PM, francescoNemesi <[email protected]> wrote:

>
> For Your Information,
>
> I reverted back to my previous Eclipse configuration with gwt plugin
> version 1.1.1v200909221731 and everything seems to work now.
> Apparently there is a problem with version 1.1.2.v200910130758?
>
> On Oct 15, 9:08 pm, francescoNemesi <[email protected]> wrote:
> > Hi Miguel,
> >
> > thanks for your reply, below you can find the log, written when I
> > started Eclipse. I only have one project open in my workspace, the one
> > mentioned in the second error.
> >
> > !SESSION 2009-10-15 21:01:15.965
> > -----------------------------------------------
> > eclipse.buildId=M20080221-1800
> > java.version=1.6.0_15
> > java.vendor=Sun Microsystems Inc.
> > BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_GB
> > Command-line arguments:  -os win32 -ws win32 -arch x86
> >
> > This is a continuation of log file D:\Dati\Eclipe 3.3.2 Europa
> > Workspace\.metadata\.bak_0.log
> > Created Time: 2009-10-15 21:01:51.118
> >
> > !ENTRY org.eclipse.jface 2 0 2009-10-15 21:01:51.118
> > !MESSAGE Keybinding conflicts occurred.  They may interfere with
> > normal accelerator operation.
> > !SUBENTRY 1 org.eclipse.jface 2 0 2009-10-15 21:01:51.118
> > !MESSAGE A conflict occurred for ALT+CTRL+A:
> > Binding(ALT+CTRL+A,
> >         ParameterizedCommand(Command
> > (sas.ads.sasJavaProject.SASAddAttachments,Add SAS Attachments...,
> >                 ,
> >                 Category(sas.ads.sasJavaProject.editorActionsCategory,SAS
> Editor
> > Actions,null,true),
> >                 ActionDelegateHandlerProxy
> > (null,com.sas.ads.sasQuickAssist.SASConnectionHelper),
> >                 ,,true),null),
> >         org.eclipse.ui.defaultAcceleratorConfiguration,
> >         org.eclipse.jdt.ui.javaEditorScope,,,system)
> > Binding(ALT+CTRL+A,
> >
> ParameterizedCommand(Command(de.jayefem.log4e.ReplaceId,Substitute
> > System.out's in this class,
> >                 Substitute System.out's in this class,
> >                 Category(org.eclipse.ui.category.edit,Edit,null,true),
> >                 ActionDelegateHandlerProxy
> > (null,de.jayefem.log4e.popup.actions.WorkbenchWindowAction),
> >                 ,,true),null),
> >         org.eclipse.ui.defaultAcceleratorConfiguration,
> >         org.eclipse.jdt.ui.javaEditorScope,,,system)
> > !SUBENTRY 1 org.eclipse.jface 2 0 2009-10-15 21:01:51.118
> > !MESSAGE A conflict occurred for ALT+CTRL+O:
> > Binding(ALT+CTRL+O,
> >         ParameterizedCommand(Command
> > (sas.ads.sasJavaProject.importOrganizer,Organize SAS Imports...,
> >                 ,
> >                 Category(sas.ads.sasJavaProject.editorActionsCategory,SAS
> Editor
> > Actions,null,true),
> >                 ActionDelegateHandlerProxy
> > (null,com.sas.ads.action.importAdder.ImportAdderAction),
> >                 ,,true),null),
> >         org.eclipse.ui.defaultAcceleratorConfiguration,
> >         org.eclipse.jdt.ui.javaEditorScope,,,system)
> > Binding(ALT+CTRL+O,
> >         ParameterizedCommand(Command(de.jayefem.log4e.AddPositionId,Log
> at
> > this position...,
> >                 Log at this position...,
> >                 Category(org.eclipse.ui.category.edit,Edit,null,true),
> >                 ActionDelegateHandlerProxy
> > (null,de.jayefem.log4e.popup.actions.WorkbenchWindowAction),
> >                 ,,true),null),
> >         org.eclipse.ui.defaultAcceleratorConfiguration,
> >         org.eclipse.jdt.ui.javaEditorScope,,,system)
> >
> > !ENTRY org.eclipse.core.resources 4 2 2009-10-15 21:02:20.820
> > !MESSAGE Problems occurred when invoking code from plug-in:
> > "org.eclipse.core.resources".
> > !STACK 0
> > java.lang.IncompatibleClassChangeError: Implementing class
> >         at java.lang.ClassLoader.defineClass1(Native Method)
> >         at java.lang.ClassLoader.defineClass(Unknown Source)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass
> > (DefaultClassLoader.java:161)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass
> > (ClasspathManager.java:501)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl
> > (ClasspathManager.java:471)
> >         at
> > org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl
> > (ClasspathManager.java:430)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass
> > (ClasspathManager.java:413)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass
> > (DefaultClassLoader.java:189)
> >         at
> > org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass
> > (BundleLoader.java:340)
> >         at
> > org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal
> > (BundleLoader.java:408)
> >         at
> org.eclipse.osgi.framework.internal.core.BundleLoader.findClass
> > (BundleLoader.java:369)
> >         at
> org.eclipse.osgi.framework.internal.core.BundleLoader.findClass
> > (BundleLoader.java:357)
> >         at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass
> > (DefaultClassLoader.java:83)
> >         at java.lang.ClassLoader.loadClass(Unknown Source)
> >         at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> >         at java.lang.ClassLoader.defineClass1(Native Method)
> >         at java.lang.ClassLoader.defineClass(Unknown Source)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass
> > (DefaultClassLoader.java:161)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass
> > (ClasspathManager.java:501)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl
> > (ClasspathManager.java:471)
> >         at
> > org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl
> > (ClasspathManager.java:430)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass
> > (ClasspathManager.java:413)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass
> > (DefaultClassLoader.java:189)
> >         at
> > org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass
> > (BundleLoader.java:340)
> >         at
> > org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal
> > (BundleLoader.java:408)
> >         at
> org.eclipse.osgi.framework.internal.core.BundleLoader.findClass
> > (BundleLoader.java:369)
> >         at
> org.eclipse.osgi.framework.internal.core.BundleLoader.findClass
> > (BundleLoader.java:357)
> >         at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass
> > (DefaultClassLoader.java:83)
> >         at java.lang.ClassLoader.loadClass(Unknown Source)
> >         at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> >         at
> >
> com.google.gwt.eclipse.core.validators.java.JavaValidationVisitor.endVisit
> > (JavaValidationVisitor.java:142)
> >         at org.eclipse.jdt.core.dom.MethodDeclaration.accept0
> > (MethodDeclaration.java:503)
> >         at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
> >         at
> org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
> >         at org.eclipse.jdt.core.dom.TypeDeclaration.accept0
> > (TypeDeclaration.java:483)
> >         at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
> >         at
> org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
> >         at org.eclipse.jdt.core.dom.CompilationUnit.accept0
> > (CompilationUnit.java:213)
> >         at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
> >         at
> >
> com.google.gwt.eclipse.core.validators.java.JavaCompilationParticipant.validateCompilationUnit
> > (JavaCompilationParticipant.java:85)
> >         at
> >
> com.google.gwt.eclipse.core.validators.java.JavaCompilationParticipant.buildStarting
> > (JavaCompilationParticipant.java:172)
> >         at
> >
> org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.notifyParticipants
> > (AbstractImageBuilder.java:534)
> >         at
> org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile
> > (AbstractImageBuilder.java:285)
> >         at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.build
> > (BatchImageBuilder.java:59)
> >         at org.eclipse.jdt.internal.core.builder.JavaBuilder.buildAll
> > (JavaBuilder.java:269)
> >         at org.eclipse.jdt.internal.core.builder.JavaBuilder.build
> > (JavaBuilder.java:177)
> >         at org.eclipse.core.internal.events.BuildManager$2.run
> > (BuildManager.java:624)
> >         at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
> >         at org.eclipse.core.internal.events.BuildManager.basicBuild
> > (BuildManager.java:166)
> >         at org.eclipse.core.internal.events.BuildManager.basicBuild
> > (BuildManager.java:197)
> >         at org.eclipse.core.internal.events.BuildManager$1.run
> > (BuildManager.java:246)
> >         at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
> >         at org.eclipse.core.internal.events.BuildManager.basicBuild
> > (BuildManager.java:249)
> >         at org.eclipse.core.internal.events.BuildManager.basicBuildLoop
> > (BuildManager.java:302)
> >         at org.eclipse.core.internal.events.BuildManager.build
> > (BuildManager.java:334)
> >         at org.eclipse.core.internal.events.AutoBuildJob.doBuild
> > (AutoBuildJob.java:137)
> >         at org.eclipse.core.internal.events.AutoBuildJob.run
> > (AutoBuildJob.java:235)
> >         at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
> >
> > !ENTRY org.eclipse.core.resources 2 75 2009-10-15 21:02:21.101
> > !MESSAGE Errors during build.
> > !SUBENTRY 1 org.eclipse.jdt.core 2 75 2009-10-15 21:02:21.101
> > !MESSAGE Errors running builder 'Java Builder' on project
> > 'keinavoBITools GXT 2.0'.
> > !SUBENTRY 1 org.eclipse.jdt.core 2 75 2009-10-15 21:02:21.101
> > !MESSAGE Implementing class
> > !STACK 0
> > java.lang.IncompatibleClassChangeError: Implementing class
> >         at java.lang.ClassLoader.defineClass1(Native Method)
> >         at java.lang.ClassLoader.defineClass(Unknown Source)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass
> > (DefaultClassLoader.java:161)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass
> > (ClasspathManager.java:501)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl
> > (ClasspathManager.java:471)
> >         at
> > org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl
> > (ClasspathManager.java:430)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass
> > (ClasspathManager.java:413)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass
> > (DefaultClassLoader.java:189)
> >         at
> > org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass
> > (BundleLoader.java:340)
> >         at
> > org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal
> > (BundleLoader.java:408)
> >         at
> org.eclipse.osgi.framework.internal.core.BundleLoader.findClass
> > (BundleLoader.java:369)
> >         at
> org.eclipse.osgi.framework.internal.core.BundleLoader.findClass
> > (BundleLoader.java:357)
> >         at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass
> > (DefaultClassLoader.java:83)
> >         at java.lang.ClassLoader.loadClass(Unknown Source)
> >         at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> >         at java.lang.ClassLoader.defineClass1(Native Method)
> >         at java.lang.ClassLoader.defineClass(Unknown Source)
> >         at
> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass
> > (DefaultClassLoader.java:161)
> >         at
> org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass
> > ...
> >
> > read more »
> >
>

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