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Re: [m2e-users] MAVEN2_CLASSPATH_CONTAINER warning in m2e 1.0.100
I described the cause of the bug and how you can workaround the problem in https://issues.sonatype.org/browse/MECLIPSEWTP-162

regards,

Fred Bricon

2011/8/26 Fabricio Lemos <fabricio.lemos@xxxxxxxxxxxxxxx>
I created the issue: https://issues.sonatype.org/browse/MECLIPSEWTP-162


On 25/8/2011 13:04, Rafael Vanderlei wrote:
Unless you are using maven plugins not supported by m2e 1.0 lifecycle or by specific connectors, I believe m2e will be able to generate all eclipse configuraton needed for your project to work at project import time.

It generates the maven configuration, but, if I delete all eclipse related files, I will loose the other configurations from other eclipse plugins and from eclipse itself, like code formatting, etc...



But keep in mind I'm just a user speaking. I'm not from m2e development team, so don't trust 100% in what I'm saying. But I can tell that everytime I delete Eclipse configuration and imported the project it have always worked for me.

On Thu, Aug 25, 2011 at 12:07 PM, Fabricio Lemos <fabricio.lemos@xxxxxxxxxxxxxxx> wrote:
Is it really required? Do I have to lose all eclipse configurations for the project in order to import it?

On 12/8/2011 15:52, Rafael Vanderlei wrote:
Fabricio, before you import projects created using previous m2e versions, did you delete all eclipse related files? (.classpath, .project, .settings, etc)

I believe it to be a required step to "upgrade" m2e version on existing Eclipse projects

On Fri, Aug 12, 2011 at 3:42 PM, Fabricio Lemos <fabricio.lemos@xxxxxxxxxxxxxxx> wrote:
We started having problems deploying the app, maybe because of classpath issues. A college of mine created a new project, did a copy and paste of the contents and now things are working. It seems the problems is only in the import of "old" projects, created before m2e 1.0. As soon as I manage to create an example project I will file the issue in Jira.



12/8/2011 14:44, Fabricio Lemos wrote:
I just initialized Eclipse and got this exception:

!ENTRY org.eclipse.osgi 2 0 2011-08-12 14:32:15.159
!MESSAGE While loading class "org.eclipse.m2e.jdt.internal.MavenClasspathContainerInitializer", thread "Thread[Worker-0,5,main]" timed out waiting (5000ms) for thread "Thread[Worker-4,5,main]" to finish starting bundle "org.eclipse.m2e.jdt_1.0.100.20110804-1717 [1038]". To avoid deadlock, thread "Thread[Worker-0,5,main]" is proceeding but "org.eclipse.m2e.jdt.internal.MavenClasspathContainerInitializer" may not be fully initialized.
!STACK 0
org.osgi.framework.BundleException: State change in progress for bundle "reference:file:plugins/org.eclipse.m2e.jdt_1.0.100.20110804-1717.jar" by thread "Worker-4".
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.beginStateChange(AbstractBundle.java:1087)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:297)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
    at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:462)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
    at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
    at org.eclipse.jdt.core.JavaCore.computeClasspathContainerInitializer(JavaCore.java:2832)
    at org.eclipse.jdt.core.JavaCore.getClasspathContainerInitializer(JavaCore.java:2808)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2844)
    at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2769)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2809)
    at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1872)
    at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3543)
    at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: org.eclipse.osgi.framework.internal.core.AbstractBundle$BundleStatusException
    ... 30 more
Root exception:
org.eclipse.osgi.framework.internal.core.AbstractBundle$BundleStatusException
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.beginStateChange(AbstractBundle.java:1087)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:297)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
    at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:462)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
    at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
    at org.eclipse.jdt.core.JavaCore.computeClasspathContainerInitializer(JavaCore.java:2832)
    at org.eclipse.jdt.core.JavaCore.getClasspathContainerInitializer(JavaCore.java:2808)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2844)
    at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2769)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2809)
    at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1872)
    at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3543)
    at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!ENTRY org.eclipse.osgi 2 0 2011-08-12 14:32:45.940
!MESSAGE While loading class "org.eclipse.m2e.jdt.internal.MavenClasspathHelpers", thread "Thread[Worker-0,5,main]" timed out waiting (5000ms) for thread "Thread[Worker-4,5,main]" to finish starting bundle "org.eclipse.m2e.jdt_1.0.100.20110804-1717 [1038]". To avoid deadlock, thread "Thread[Worker-0,5,main]" is proceeding but "org.eclipse.m2e.jdt.internal.MavenClasspathHelpers" may not be fully initialized.
!STACK 0
org.osgi.framework.BundleException: State change in progress for bundle "reference:file:plugins/org.eclipse.m2e.jdt_1.0.100.20110804-1717.jar" by thread "Worker-4".
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.beginStateChange(AbstractBundle.java:1087)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:297)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
    at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:462)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
    at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at org.eclipse.m2e.jdt.internal.MavenClasspathContainerInitializer.initialize(MavenClasspathContainerInitializer.java:46)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2863)
    at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2769)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2809)
    at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1872)
    at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3543)
    at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: org.eclipse.osgi.framework.internal.core.AbstractBundle$BundleStatusException
    ... 22 more
Root exception:
org.eclipse.osgi.framework.internal.core.AbstractBundle$BundleStatusException
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.beginStateChange(AbstractBundle.java:1087)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:297)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
    at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:462)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
    at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at org.eclipse.m2e.jdt.internal.MavenClasspathContainerInitializer.initialize(MavenClasspathContainerInitializer.java:46)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2863)
    at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2769)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2809)
    at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1872)
    at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3543)
    at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!ENTRY org.eclipse.core.jobs 4 2 2011-08-12 14:32:45.940
!MESSAGE An internal error occurred during: "Initializing Java Tooling".
!STACK 0
java.lang.NullPointerException
    at org.eclipse.m2e.jdt.internal.MavenClasspathContainerInitializer.getBuildPathManager(MavenClasspathContainerInitializer.java:86)
    at org.eclipse.m2e.jdt.internal.MavenClasspathContainerInitializer.initialize(MavenClasspathContainerInitializer.java:48)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2863)
    at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2769)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2809)
    at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1872)
    at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3543)
    at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

My eclipse config file is attached. I will try to reproduce it with a smaller project and file the issue.

thanks

On 12/8/2011 12:59, Fred Bricon wrote:
mmm I think it's the first time I see this exception.
If you can reproduce it reliably, please create an issue in https://issues.sonatype.org/browse/MECLIPSEWTP and attach your project's eclipse config file + pom.xml

regards,

Fred Bricon

2011/8/12 Fabricio Lemos <fabricio.lemos@xxxxxxxxxxxxxxx>

On 10/8/2011 11:41, Fred Bricon wrote:
Can you get more details on the exception you're getting? (<workspace>/.metadata/.log)

This exception occurs after I import the project:

!ENTRY org.eclipse.core.jobs 4 2 2011-08-12 11:23:37.552
!MESSAGE An internal error occurred during: "Importing Maven projects".
!STACK 0
java.lang.IllegalArgumentException
    at org.eclipse.wst.common.project.facet.core.internal.FacetedProjectWorkingCopy.addProjectFacet(FacetedProjectWorkingCopy.java:816)
    at org.eclipse.wst.common.project.facet.core.internal.FacetedProject$1.run(FacetedProject.java:301)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modify(FacetedProject.java:339)
    at org.maven.ide.eclipse.wtp.WebProjectConfiguratorDelegate.configure(WebProjectConfiguratorDelegate.java:144)
    at org.maven.ide.eclipse.wtp.AbstractProjectConfiguratorDelegate.configureProject(AbstractProjectConfiguratorDelegate.java:84)
    at org.maven.ide.eclipse.wtp.WTPProjectConfigurator.configure(WTPProjectConfigurator.java:54)
    at org.eclipse.m2e.core.project.configurator.AbstractLifecycleMapping.configure(AbstractLifecycleMapping.java:72)
    at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:302)
    at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.configureNewMavenProject(ProjectConfigurationManager.java:234)
    at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.importProjects(ProjectConfigurationManager.java:150)
    at org.eclipse.m2e.core.ui.internal.wizards.MavenImportWizard$1.doCreateMavenProjects(MavenImportWizard.java:164)
    at org.eclipse.m2e.core.ui.internal.wizards.AbstractCreateMavenProjectsOperation.run(AbstractCreateMavenProjectsOperation.java:73)
    at org.eclipse.m2e.core.ui.internal.wizards.MavenImportWizard$3.runInWorkspace(MavenImportWizard.java:249)
    at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)


Does updating the maven configuration on your projects work after import?

Strangely, it works only in the second time. The first time I run it, it shows: "Unable to update maven configuration for the following projects: solare-intranet" and still shows the error "Project configuration is not up-to-date with pom.xml".
The second time, the message "Unable to update..." still shows, but the "Project configuration is not up-to-date..." is gone and the MAVEN2_CLASSPATH_CONTAINER warning appears.

When I click to update project configuration, nothing appears in the console.



2011/8/10 Fabricio Lemos <fabricio.lemos@xxxxxxxxxxxxxxx>
I installed m2e 1.0.100 and imported an existing war project. I received the error: "An internal error occurred during: "Importing Maven projects" java.lang.IllegalArgumentException"

And after I´m stuck with MECLIPSEWTP-125 but the workaround does not apply because I have an war project.

Is there a fix or any other workaround?

thanks,
Fabricio Lemos


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