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AJDT slooooow/hanging on clean rebuild [message #915581]

Mon, 17 September 2012 15:20

Gerolf Scherr

Messages: 1
Registered: December 2009

Junior Member

Hi,

I have a workspace with two java/aspectj-projects, when I am doing a project clean/rebuild, sometimes it needs around 30 sec, sometimes it 'hangs' for more than 10 minutes, when I terminate the program and restart it, the build works.

I have done several thread dumps (approx. one per minute) of one of the hanging runs. (see attachments)

I am not sure if this is a Problem in AJDT or some kind of deadlock.

I am using juno:
Eclipse Juno, Build id: 20120614-1722

AJDT-Version:

16:58:51 Startup information:
AJDT version: 2.2.0.e42x-RELEASE-20120703-2200
AspectJ Compiler version: 1.7.0
usingVisualiser=true
usingXref=true
usingCUprovider=true
ajde.version.at.previous.startup = 2.2.0.e42x-RELEASE-20120703-2200

thanks a lot for your help.

This thread is always busy:

...
at org.eclipse.core.internal.resources.AliasManager$2.compare(AliasManager.java:1)
at java.util.TreeMap.getEntryUsingComparator(Unknown Source)
at java.util.TreeMap.getEntry(Unknown Source)
at java.util.TreeMap.get(Unknown Source)
at org.eclipse.core.internal.resources.AliasManager$LocationMap.matchingResourcesDo(AliasManager.java:196)
at org.eclipse.core.internal.resources.AliasManager.findResources(AliasManager.java:446)
at org.eclipse.core.internal.localstore.FileSystemResourceManager.findLinkedResourcesPaths(FileSystemResourceManager.java:144)
at org.eclipse.core.internal.localstore.FileSystemResourceManager.allPathsForLocationNonCanonical(FileSystemResourceManager.java:124)
at org.eclipse.core.internal.localstore.FileSystemResourceManager.allPathsForLocation(FileSystemResourceManager.java:62)
at org.eclipse.core.internal.localstore.FileSystemResourceManager.allResourcesFor(FileSystemResourceManager.java:216)
at org.eclipse.core.internal.resources.WorkspaceRoot.findFilesForLocationURI(WorkspaceRoot.java:113)
at org.eclipse.core.internal.resources.WorkspaceRoot.findFilesForLocationURI(WorkspaceRoot.java:104)
at org.eclipse.ajdt.internal.utils.AJDTUtils.findResource(AJDTUtils.java:1217)
at org.eclipse.ajdt.internal.ui.ajde.UIMessageHandler.locationToResource(UIMessageHandler.java:385)
at org.eclipse.ajdt.internal.ui.ajde.UIMessageHandler.access$2(UIMessageHandler.java:375)
at org.eclipse.ajdt.internal.ui.ajde.UIMessageHandler$1.run(UIMessageHandler.java:259)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2326)
at org.eclipse.ajdt.internal.ui.ajde.UIMessageHandler.showMessages(UIMessageHandler.java:347)
at org.eclipse.ajdt.internal.ui.ajde.UIMessageHandler.showOutstandingProblems(UIMessageHandler.java:210)
at org.eclipse.ajdt.internal.builder.UIBuildListener.postAJBuild(UIBuildListener.java:205)
at org.eclipse.ajdt.core.builder.AJBuilder.postCallListeners(AJBuilder.java:1551)
- locked <0x00000000e12c4580> (a java.util.ArrayList)
at org.eclipse.ajdt.core.builder.AJBuilder.postBuild(AJBuilder.java:357)
at org.eclipse.ajdt.core.builder.AJBuilder.build(AJBuilder.java:270)
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)

Attachment: 5664-6.txt
(Size: 25.01KB, Downloaded 618 times)
Attachment: 5664-7.txt
(Size: 24.08KB, Downloaded 507 times)
Attachment: 5664-8.txt
(Size: 24.09KB, Downloaded 582 times)
Attachment: 5664-9.txt
(Size: 24.33KB, Downloaded 560 times)
Attachment: 5664-10.txt
(Size: 24.32KB, Downloaded 517 times)

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Re: AJDT slooooow/hanging on clean rebuild [message #915770 is a reply to message #915581]

Mon, 17 September 2012 23:40

Andrew Eisenberg

Messages: 382
Registered: July 2009

Senior Member

There are no deadlocking threads in any of the stack dumps you sent me, but there could still be some kind of infinite loop happening.

More likely, however, is that there are memory or disk issues. The location of the slowness is occurring after a build when all of the error markers are being added to the Eclipse resource model. This requires disk io. So, make sure that your eclipse is not running out of memory and that your heap size is set appropriately.

A quick thing to do is to go to Preferences -> General -> Show heap status. Keep an eye on the status bar to see if things are growing out of control.

Some more questions:

1. Does your project contain many linked folders?
2. How large is it?
3. What version of Eclipse and AJDT are you using?

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