Requality

Воспроизвести проблему не удалось, но посмотреть возможную причину стоит.

eclipse.buildId=M20120208-0800
java.version=1.6.0_24
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.linuxtools.product
Command-line arguments:  -os linux -ws gtk -arch x86 -product org.eclipse.epp.package.linuxtools.product

Error
Fri Jan 11 19:01:02 MSK 2013
Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".

java.lang.NullPointerException
    at com.unitesk.requality.eclipse.core.TreesTracker.stopTracking(TreesTracker.java:210)
    at com.unitesk.requality.eclipse.Activator$1.resourceChanged(Activator.java:350)
    at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
    at org.eclipse.core.internal.events.NotificationManager.handleEvent(NotificationManager.java:261)
    at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Workspace.java:390)
    at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Resource.java:1994)
    at org.eclipse.core.internal.resources.Resource.delete(Resource.java:765)
    at org.eclipse.core.internal.resources.Project.delete(Project.java:344)
    at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(DeleteResourceChange.java:132)
    at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
    at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
    at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
    at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.executeChange(UIPerformChangeOperation.java:92)
    at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:218)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
    at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
    at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)