Okay, I should have looked at the log... (see below) JBoss Tools: 3.0.0.GA-R200903141626-H5 Seam: 2.1.1.GA Eclipse 3.4.2 JDK 6 update 13
The following exception appeared in the eclipse log after performing a clean of all projects. | !ENTRY org.eclipse.core.resources 4 566 2009-04-30 01:58:52.552 | !MESSAGE An error occurred while traversing resources. | !STACK 0 | java.lang.NullPointerException | at org.jboss.tools.seam.internal.core.scanner.java.ASTVisitorImpl.visit(ASTVisitorImpl.java:90) | at org.eclipse.jdt.core.dom.SingleMemberAnnotation.accept0(SingleMemberAnnotation.java:161) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2548) | at org.eclipse.jdt.core.dom.AnnotationTypeDeclaration.accept0(AnnotationTypeDeclaration.java:239) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2548) | at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:214) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.jboss.tools.seam.internal.core.scanner.java.JavaScanner$ASTRequestorImpl.acceptAST(JavaScanner.java:167) | at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:721) | at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:474) | at org.eclipse.jdt.core.dom.ASTParser.createASTs(ASTParser.java:736) | at org.jboss.tools.seam.internal.core.scanner.java.JavaScanner.parse(JavaScanner.java:105) | at org.jboss.tools.seam.internal.core.SeamResourceVisitor.visit(SeamResourceVisitor.java:94) | at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:106) | at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:58) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:81) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:126) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:68) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:104) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:88) | at org.jboss.tools.seam.core.SeamCoreBuilder.fullBuild(SeamCoreBuilder.java:129) | at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:100) | at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:633) | at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:170) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:201) | at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:253) | at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:256) | at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:309) | at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:341) | at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:140) | at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:238) | at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) | | !ENTRY org.jboss.tools.seam.core 4 0 2009-04-30 01:58:52.552 | !MESSAGE An error occurred while traversing resources. | !STACK 1 | org.eclipse.core.internal.resources.ResourceException(/temptrack-ejb)[566]: java.lang.NullPointerException | at org.jboss.tools.seam.internal.core.scanner.java.ASTVisitorImpl.visit(ASTVisitorImpl.java:90) | at org.eclipse.jdt.core.dom.SingleMemberAnnotation.accept0(SingleMemberAnnotation.java:161) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2548) | at org.eclipse.jdt.core.dom.AnnotationTypeDeclaration.accept0(AnnotationTypeDeclaration.java:239) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2548) | at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:214) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.jboss.tools.seam.internal.core.scanner.java.JavaScanner$ASTRequestorImpl.acceptAST(JavaScanner.java:167) | at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:721) | at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:474) | at org.eclipse.jdt.core.dom.ASTParser.createASTs(ASTParser.java:736) | at org.jboss.tools.seam.internal.core.scanner.java.JavaScanner.parse(JavaScanner.java:105) | at org.jboss.tools.seam.internal.core.SeamResourceVisitor.visit(SeamResourceVisitor.java:94) | at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:106) | at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:58) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:81) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:126) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:68) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:104) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:88) | at org.jboss.tools.seam.core.SeamCoreBuilder.fullBuild(SeamCoreBuilder.java:129) | at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:100) | at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:633) | at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:170) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:201) | at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:253) | at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:256) | at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:309) | at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:341) | at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:140) | at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:238) | at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) | !SUBENTRY 1 org.eclipse.core.resources 4 566 2009-04-30 01:58:52.552 | !MESSAGE An error occurred while traversing resources. | !STACK 0 | java.lang.NullPointerException | at org.jboss.tools.seam.internal.core.scanner.java.ASTVisitorImpl.visit(ASTVisitorImpl.java:90) | at org.eclipse.jdt.core.dom.SingleMemberAnnotation.accept0(SingleMemberAnnotation.java:161) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2548) | at org.eclipse.jdt.core.dom.AnnotationTypeDeclaration.accept0(AnnotationTypeDeclaration.java:239) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2548) | at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:214) | at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2478) | at org.jboss.tools.seam.internal.core.scanner.java.JavaScanner$ASTRequestorImpl.acceptAST(JavaScanner.java:167) | at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:721) | at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:474) | at org.eclipse.jdt.core.dom.ASTParser.createASTs(ASTParser.java:736) | at org.jboss.tools.seam.internal.core.scanner.java.JavaScanner.parse(JavaScanner.java:105) | at org.jboss.tools.seam.internal.core.SeamResourceVisitor.visit(SeamResourceVisitor.java:94) | at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:106) | at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:58) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:81) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85) | at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:126) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:68) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:104) | at org.eclipse.core.internal.resources.Resource.accept(Resource.java:88) | at org.jboss.tools.seam.core.SeamCoreBuilder.fullBuild(SeamCoreBuilder.java:129) | at org.jboss.tools.seam.core.SeamCoreBuilder.build(SeamCoreBuilder.java:100) | at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:633) | at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:170) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:201) | at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:253) | at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) | at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:256) | at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:309) | at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:341) | at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:140) | at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:238) | at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4227548#4227548 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4227548 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