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Bug 354693

Summary: "Comparison method violates its general contract!" error when trying to install m2e plugin
Product: [Eclipse Project] Equinox Reporter: Peter De Maeyer <peter>
Component: p2Assignee: P2 Inbox <equinox.p2-inbox>
Status: CLOSED DUPLICATE QA Contact:
Severity: normal    
Priority: P3 CC: igor, pascal
Version: unspecified   
Target Milestone: ---   
Hardware: PC   
OS: Linux   
Whiteboard:

Description Peter De Maeyer CLA 2011-08-13 18:06:15 EDT 
java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.util.ComparableTimSort.mergeLo(ComparableTimSort.java:714)
	at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:451)
	at java.util.ComparableTimSort.mergeForceCollapse(ComparableTimSort.java:392)
	at java.util.ComparableTimSort.sort(ComparableTimSort.java:191)
	at java.util.ComparableTimSort.sort(ComparableTimSort.java:146)
	at java.util.Arrays.sort(Arrays.java:472)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorSelector.hasValidMirror(MirrorSelector.java:319)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.downloadArtifact(SimpleArtifactRepository.java:577)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.getArtifact(SimpleArtifactRepository.java:680)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.getArtifact(MirrorRequest.java:260)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.transferSingle(MirrorRequest.java:235)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.transfer(MirrorRequest.java:191)
	at org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.perform(MirrorRequest.java:122)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.getArtifact(SimpleArtifactRepository.java:664)
	at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository.getArtifacts(SimpleArtifactRepository.java:735)
	at org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository.getArtifacts(CompositeArtifactRepository.java:341)
	at org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository.getArtifacts(CompositeArtifactRepository.java:341)
	at org.eclipse.equinox.internal.p2.engine.DownloadManager.fetch(DownloadManager.java:110)
	at org.eclipse.equinox.internal.p2.engine.DownloadManager.start(DownloadManager.java:99)
	at org.eclipse.equinox.internal.p2.engine.phases.Collect.completePhase(Collect.java:76)
	at org.eclipse.equinox.internal.p2.engine.Phase.postPerform(Phase.java:216)
	at org.eclipse.equinox.internal.p2.engine.Phase.perform(Phase.java:84)
	at org.eclipse.equinox.internal.p2.engine.PhaseSet.perform(PhaseSet.java:44)
	at org.eclipse.equinox.internal.p2.engine.Engine.perform(Engine.java:75)
	at org.eclipse.equinox.internal.p2.engine.Engine.perform(Engine.java:44)
	at org.eclipse.equinox.p2.operations.ProvisioningSession.performProvisioningPlan(ProvisioningSession.java:174)
	at org.eclipse.equinox.p2.operations.ProfileModificationJob.runModal(ProfileModificationJob.java:79)
	at org.eclipse.equinox.p2.operations.ProvisioningJob.run(ProvisioningJob.java:177)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Comment 1 Igor Fedorenko CLA 2011-08-14 05:50:47 EDT 
Seems to be a problem with p2 mirror selection logic or eclipse download server misconfiguration. Moving to p2 for investigation.
Comment 2 Pascal Rapicault CLA 2011-08-14 13:20:46 EDT 

*** This bug has been marked as a duplicate of bug 317785 ***