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0) Turn auto build off 1) Import a class with the same name as an existing class 2) Open the java editor on this class. 3) Ctrl B in editor to cause build The exception below occurs. I then did "Rebuild Project" from the packages view context menu and the class compiled without an error. 2 org.eclipse.core.resources 2 Problems occurred when invoking code from plug-in: org.eclipse.core.resources. org.eclipse.core.internal.resources.ResourceException: Problems encountered while copying resources. at org.eclipse.core.internal.localstore.FileSystemResourceManager.copy(FileSystemResourceManager.java:68) at org.eclipse.core.internal.resources.Resource.copy(Resource.java:318) at org.eclipse.jdt.internal.core.builder.impl.ProjectResourceCopier.copyToOutput(ProjectResourceCopier.java:66) at org.eclipse.jdt.internal.core.builder.impl.ProjectResourceCopier.visit(ProjectResourceCopier.java:229) at org.eclipse.core.internal.resources.Resource.accept(Resource.java(Compiled Code)) at org.eclipse.core.internal.resources.Resource.accept(Resource.java(Compiled Code)) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:50) at org.eclipse.jdt.internal.core.builder.impl.ProjectResourceCopier.copyAllResourcesOnClasspath(ProjectResourceCopier.java:38) at org.eclipse.jdt.internal.core.builder.impl.BatchImageBuilder.build(BatchImageBuilder.java(Compiled Code)) at org.eclipse.jdt.internal.core.builder.impl.JavaDevelopmentContextImpl.createState(JavaDevelopmentContextImpl.java:116) at org.eclipse.jdt.internal.core.builder.impl.JavaBuilder.fullBuild(JavaBuilder.java:141) at org.eclipse.jdt.internal.core.builder.impl.JavaBuilder.build(JavaBuilder.java:47) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:83) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java(Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:104) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:48) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:58) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:129) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java(Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:143) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:166) at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:101) at org.eclipse.ui.internal.GlobalBuildAction.build(GlobalBuildAction.java:37) at org.eclipse.ui.internal.GlobalBuildAction$1.run(GlobalBuildAction.java:143) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:98) Log: Wed May 30 08:25:16 EDT 2001 2 org.eclipse.core.resources 2 Problems occurred when invoking code from plug-in: org.eclipse.core.resources. java.lang.NullPointerException at org.eclipse.jdt.internal.core.JavaProject.getClasspathAsXMLString(JavaProject.java:435) at org.eclipse.jdt.internal.core.JavaProject.saveClasspath(JavaProject.java:1245) at org.eclipse.jdt.internal.core.JavaProject.saveClasspath(JavaProject.java:1215) at org.eclipse.jdt.internal.core.DeltaProcessor.checkProjectPropertyFileUpdate(DeltaProcessor.java:174) at org.eclipse.jdt.internal.core.DeltaProcessor.checkProjectPropertyFileUpdate(DeltaProcessor.java:227) at org.eclipse.jdt.internal.core.DeltaProcessor.checkProjectPropertyFileUpdate(DeltaProcessor.java:227) at org.eclipse.jdt.internal.core.JavaModelManager.resourceChanged(JavaModelManager.java:956) at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:92) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java(Compiled Code)) at org.eclipse.core.runtime.Platform.run(Platform.java(Compiled Code)) at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:107) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:30) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:44) at org.eclipse.core.internal.resources.Workspace.broadcastChanges(Workspace.java:91) at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java(Compiled Code)) at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:104) at org.eclipse.ui.internal.GlobalBuildAction.build(GlobalBuildAction.java:37) at org.eclipse.ui.internal.GlobalBuildAction$1.run(GlobalBuildAction.java:143) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:98) NOTES: PM (5/30/2001 4:12:50 PM) Failing to copy resource would leave inconsistent state, thus it is fine to fail the build altogether. However, need to investigate if failure copying the resource was reasonable. Moving to ITPCORE. JM (6/4/2001 2:24:21 PM) Investigate for possible naming/discovery issues on Linux. JM (05/06/2001 6:12:35 PM) KM says Yes! JM (05/06/2001 8:01:57 PM) RTP JM (6/12/2001 5:59:56 PM) move to deferred. confirm with PM that things are ok
I tried again in build 20011018. I used a simpler case: A.java contains: public class A {} class B {} B.java contains: public class B{} If I compile A.java, then compile B.java using Ctrl-B from the java editor, I get an image builder assertion failure. Stack trace is below. The ResourceException in the stack trace of the original PR looks like expected behaviour. If you try to copy a file to a destination that is occupied, you will get a resource exception. Thread [ModalContext] (Suspended (exception RuntimeException)) Assert.isTrue(boolean, String) line: 82 Assert.isTrue(boolean) line: 69 UnmodifiedBuilderType.computeIndictments(IndictmentSet) line: 28 IncrementalImageBuilder.updateState(ConvertedCompilationResult[]) line: 1869 IncrementalImageBuilder(AbstractImageBuilder).compile(Vector) line: 101 IncrementalImageBuilder.applySourceDelta(Hashtable) line: 263 JavaBuilder.incrementalBuild(JavaDevelopmentContextImpl, Hashtable, IProgressMonitor) line: 208 JavaBuilder.build(int, Map, IProgressMonitor) line: 54 BuildManager$2.run() line: 332 InternalPlatform.run(ISafeRunnable) line: 812 Platform.run(ISafeRunnable) line: 395 BuildManager.basicBuild(int, IncrementalProjectBuilder, Map, MultiStatus, IProgressMonitor) line: 88 BuildManager.basicBuild(IProject, int, String, Map, MultiStatus, IProgressMonitor) line: 153 BuildManager.basicBuild(IProject, int, ICommand[], MultiStatus, IProgressMonitor) line: 163 BuildManager$1.run() line: 112 InternalPlatform.run(ISafeRunnable) line: 812 Platform.run(ISafeRunnable) line: 395 BuildManager.basicBuild(IProject, int, MultiStatus, IProgressMonitor) line: 126 BuildManager.build(int, IProgressMonitor) line: 188 Workspace.build(int, IProgressMonitor) line: 122 GlobalBuildAction.build(IProgressMonitor) line: 59 GlobalBuildAction$1.run(IProgressMonitor) line: 143 ModalContext$ModalContextThread.run() line: 98 Moving PR to JDTCore
Will need to check that the new builder handles this scenario more gracefully
PRODUCT VERSION: 114 Linux Red Hat 6.2
*** This bug has been marked as a duplicate of 6799 ***
