[jbosstools-issues] [JBoss JIRA] (JBIDE-10111) ConcurrentModificationException after closing Seam War project

Denis Golovin (Updated) (JIRA) jira-events at lists.jboss.org
Mon Nov 7 20:45:45 EST 2011 

     [ https://issues.jboss.org/browse/JBIDE-10111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Denis Golovin updated JBIDE-10111:
----------------------------------

    Description: 
Now Test case in steps to reproduce fails on last step with bunch of exceptions. First is throws exception
{noformat}org.eclipse.core.internal.resources.ResourceException: Resource '/seam22hib' is not open.
	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:150)
	at org.eclipse.core.internal.resources.Resource.findMarkers(Resource.java:1007)
	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.findBuilderOrderMarker(KBValidator.java:129)
	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.validateBuilderOrder(KBValidator.java:89)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateBuilderOrder(ELValidator.java:482)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.shouldValidate(ELValidator.java:468)
	at org.jboss.tools.common.validation.ValidationContext.init(ValidationContext.java:86)
	at org.jboss.tools.common.validation.ValidationContext.<init>(ValidationContext.java:42)
	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:161)
	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:153)
	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:65)
	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
then
{noformat}java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
and finally 
{noformat}java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
here is related part of my .log file
{noformat}
!ENTRY org.eclipse.jst.jsp.core 4 4 2011-11-07 12:22:59.680
!MESSAGE A workspace crash was detected. The previous session did not exit normally. Not using saved taglib indexes.

!ENTRY org.jboss.tools.jst.web.kb 4 0 2011-11-07 12:24:00.831
!MESSAGE Resource '/seam22hib' is not open.
!STACK 1
org.eclipse.core.internal.resources.ResourceException: Resource '/seam22hib' is not open.
	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:150)
	at org.eclipse.core.internal.resources.Resource.findMarkers(Resource.java:1007)
	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.findBuilderOrderMarker(KBValidator.java:129)
	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.validateBuilderOrder(KBValidator.java:89)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateBuilderOrder(ELValidator.java:482)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.shouldValidate(ELValidator.java:468)
	at org.jboss.tools.common.validation.ValidationContext.init(ValidationContext.java:86)
	at org.jboss.tools.common.validation.ValidationContext.<init>(ValidationContext.java:42)
	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:161)
	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:153)
	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:65)
	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
!SUBENTRY 1 org.eclipse.core.resources 4 372 2011-11-07 12:24:00.839
!MESSAGE Resource '/seam22hib' is not open.

!ENTRY org.eclipse.core.resources 4 2 2011-11-07 12:24:03.211
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".
!STACK 0
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!ENTRY org.eclipse.core.resources 4 75 2011-11-07 12:24:21.210
!MESSAGE Errors occurred during the build.
!SUBENTRY 1 org.jboss.tools.seam.core 4 75 2011-11-07 12:24:21.210
!MESSAGE Errors running builder 'Seam Builder' on project 'seam2hib'.
!STACK 0
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}

  was:
Now Test case in steps to reproduce fails on last step with bunch of exceptions. First is throws exception
{noformat}org.eclipse.core.internal.resources.ResourceException: Resource '/seam22hib' is not open.
	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:150)
	at org.eclipse.core.internal.resources.Resource.findMarkers(Resource.java:1007)
	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.findBuilderOrderMarker(KBValidator.java:129)
	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.validateBuilderOrder(KBValidator.java:89)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateBuilderOrder(ELValidator.java:482)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.shouldValidate(ELValidator.java:468)
	at org.jboss.tools.common.validation.ValidationContext.init(ValidationContext.java:86)
	at org.jboss.tools.common.validation.ValidationContext.<init>(ValidationContext.java:42)
	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:161)
	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:153)
	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:65)
	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
then
{noformat}java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
and finally 
{noformat}java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}


    
> ConcurrentModificationException after closing Seam War project
> --------------------------------------------------------------
>
>                 Key: JBIDE-10111
>                 URL: https://issues.jboss.org/browse/JBIDE-10111
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: common/jst/core
>    Affects Versions: 3.3.0.Beta1
>            Reporter: Denis Golovin
>            Assignee: Alexey Kazakov
>
> Now Test case in steps to reproduce fails on last step with bunch of exceptions. First is throws exception
> {noformat}org.eclipse.core.internal.resources.ResourceException: Resource '/seam22hib' is not open.
> 	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:150)
> 	at org.eclipse.core.internal.resources.Resource.findMarkers(Resource.java:1007)
> 	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.findBuilderOrderMarker(KBValidator.java:129)
> 	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.validateBuilderOrder(KBValidator.java:89)
> 	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateBuilderOrder(ELValidator.java:482)
> 	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.shouldValidate(ELValidator.java:468)
> 	at org.jboss.tools.common.validation.ValidationContext.init(ValidationContext.java:86)
> 	at org.jboss.tools.common.validation.ValidationContext.<init>(ValidationContext.java:42)
> 	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:161)
> 	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:153)
> 	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:65)
> 	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
> then
> {noformat}java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
> 	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
> 	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
> 	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
> 	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
> 	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
> 	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
> 	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
> 	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
> and finally 
> {noformat}java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
> 	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
> 	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
> 	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
> 	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
> 	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
> 	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
> 	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
> 	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}
> here is related part of my .log file
> {noformat}
> !ENTRY org.eclipse.jst.jsp.core 4 4 2011-11-07 12:22:59.680
> !MESSAGE A workspace crash was detected. The previous session did not exit normally. Not using saved taglib indexes.
> !ENTRY org.jboss.tools.jst.web.kb 4 0 2011-11-07 12:24:00.831
> !MESSAGE Resource '/seam22hib' is not open.
> !STACK 1
> org.eclipse.core.internal.resources.ResourceException: Resource '/seam22hib' is not open.
> 	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:150)
> 	at org.eclipse.core.internal.resources.Resource.findMarkers(Resource.java:1007)
> 	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.findBuilderOrderMarker(KBValidator.java:129)
> 	at org.jboss.tools.jst.web.kb.internal.validation.KBValidator.validateBuilderOrder(KBValidator.java:89)
> 	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateBuilderOrder(ELValidator.java:482)
> 	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.shouldValidate(ELValidator.java:468)
> 	at org.jboss.tools.common.validation.ValidationContext.init(ValidationContext.java:86)
> 	at org.jboss.tools.common.validation.ValidationContext.<init>(ValidationContext.java:42)
> 	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:161)
> 	at org.jboss.tools.common.validation.ContextValidationHelper.getValidationContextManager(ContextValidationHelper.java:153)
> 	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:65)
> 	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> !SUBENTRY 1 org.eclipse.core.resources 4 372 2011-11-07 12:24:00.839
> !MESSAGE Resource '/seam22hib' is not open.
> !ENTRY org.eclipse.core.resources 4 2 2011-11-07 12:24:03.211
> !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".
> !STACK 0
> java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
> 	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
> 	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
> 	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
> 	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
> 	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
> 	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
> 	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
> 	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> !ENTRY org.eclipse.core.resources 4 75 2011-11-07 12:24:21.210
> !MESSAGE Errors occurred during the build.
> !SUBENTRY 1 org.jboss.tools.seam.core 4 75 2011-11-07 12:24:21.210
> !MESSAGE Errors running builder 'Seam Builder' on project 'seam2hib'.
> !STACK 0
> java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:845)
> 	at org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor.syncProcessedPaths(AbstractClassPathMonitor.java:110)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.process(ClassPath.java:73)
> 	at org.jboss.tools.seam.internal.core.scanner.lib.ClassPath.build(ClassPath.java:178)
> 	at org.jboss.tools.seam.internal.core.SeamProject.build(SeamProject.java:371)
> 	at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:50)
> 	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
> 	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
> 	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
> 	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
> 	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
> 	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54){noformat}

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