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java.lang.StackOverflowError at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:180) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:142) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:203) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:142) <snip 3642 frames of AbstractDataTreeNode lines 142 & 203> at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:203) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:142) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:203) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:128) at org.eclipse.core.internal.dtree.AbstractDataTreeNode.assembleWith(AbstractDataTreeNode.java:194) at org.eclipse.core.internal.dtree.DeltaDataTree.assembleWithForwardDelta(DeltaDataTree.java:156) at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:836) at org.eclipse.core.internal.dtree.DeltaDataTree.reroot(DeltaDataTree.java:811) at org.eclipse.core.internal.watson.ElementTree.immutable(ElementTree.java:522) at org.eclipse.core.internal.events.ResourceDeltaFactory.computeDelta(ResourceDeltaFactory.java:46) at org.eclipse.core.internal.events.NotificationManager.getDelta(NotificationManager.java:240) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149) at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:379) at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1502) at org.eclipse.core.internal.resources.Resource.copy(Resource.java:542) at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.copyResource(AbstractImageBuilder.java:401) at org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.findSourceFiles(IncrementalImageBuilder.java:711) at org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.findSourceFiles(IncrementalImageBuilder.java:588) <snip 1912 stack frames of IncrementalImageBuilder.java:588> at org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.findSourceFiles(IncrementalImageBuilder.java:588) at org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.findSourceFiles(IncrementalImageBuilder.java:525) at org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.build(IncrementalImageBuilder.java:118) at org.eclipse.jdt.internal.core.builder.JavaBuilder.buildDeltas(JavaBuilder.java:279) at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:200) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:833) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Steps to reproduce? Does it happen always? Any errors in the log?
(In reply to Andrey Loskutov from comment #1) > Any errors in the log? Any *other* errors in the log *before* the stack overflow?
Unfortunately I don't have steps. Looking back in the logs, the first instance of this StackOverflow is on Friday I left work on Friday probably around 15:00 and left my Eclipse instance running. The log shows the StackOverflow happening at the following times: 2019-03-22 21:52:45.436. 2019-03-23 03:34:37.875 2019-03-23 14:45:18.858 2019-03-24 02:11:43.278 2019-03-24 14:03:27.039 2019-03-25 02:11:54.721 So there seems to be some kind of background build job running every 12 hours or so. The only other errors in the log are hours before this started, and is a Illegal Hierarchy during content assist: Java Model Exception: Core Exception [code 0] Illegal hierarchy at org.eclipse.jdt.internal.ui.text.java.LazyGenericTypeProposal.findMatchingSuperTypeSignature(LazyGenericTypeProposal.java:575) at org.eclipse.jdt.internal.ui.text.java.LazyGenericTypeProposal.mapTypeParameterIndex(LazyGenericTypeProposal.java:535) at org.eclipse.jdt.internal.ui.text.java.LazyGenericTypeProposal.computeTypeArgumentProposals(LazyGenericTypeProposal.java:354) at org.eclipse.jdt.internal.ui.text.java.LazyGenericTypeProposal.apply(LazyGenericTypeProposal.java:228)
Could you please attach the full error log here?
Created attachment 278012 [details] logs files
I guess the initial issue was that Eclipse was killed before and I guess the resources tree was damaged somehow: !ENTRY org.eclipse.core.resources 2 10035 2019-03-20 09:54:26.528 !MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes. Ideally we should also be able to handle that gracefully, but without reproduction steps and time to investigate I would say: create new workspace. Closing as WONTFIX, sorry.
(In reply to Andrey Loskutov from comment #6) > I guess the initial issue was that Eclipse was killed before and I guess the > resources tree was damaged somehow: For a moment I was suspecting a different cause, but in fact this line org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.findSourceFiles(IncrementalImageBuilder.java:588) which to me appears as the root cause, descends into the tree of an IResourceDelta. The very deep recursion seems to indicate a cycle in the "tree". So yes: corrupt resource tree.
