I never saw a GUI based error so I can’t provide more details than this…
ME 4.0 M2
eclipse.buildId=I20050627-1435
java.version=1.5.0_02
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86
Error 2005-07-21 12:15:31.388 Problems occurred when invoking code from plug-in: “org.eclipse.core.resources”.
java.lang.NullPointerException
at com.genuitec.struts.easystruts.core.StrutsProjectRegistry.resourceChanged(StrutsProjectRegistry.java:485)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:276)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
at org.eclipse.core.runtime.Platform.run(Platform.java:783)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:270)
at org.eclipse.core.internal.events.NotificationManager.handleEvent(NotificationManager.java:254)
at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Workspace.java:195)
at org.eclipse.core.internal.resources.Resource.unprotectedDelete(Resource.java:1556)
at org.eclipse.core.internal.resources.Resource.delete(Resource.java:664)
at org.eclipse.core.internal.resources.Project.delete(Project.java:329)
at org.eclipse.ui.actions.DeleteResourceAction.delete(DeleteResourceAction.java:383)
at org.eclipse.ui.actions.DeleteResourceAction.delete(DeleteResourceAction.java:359)
at org.eclipse.ui.actions.DeleteResourceAction.access$0(DeleteResourceAction.java:349)
at org.eclipse.ui.actions.DeleteResourceAction$3.run(DeleteResourceAction.java:466)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1719)
at org.eclipse.ui.actions.DeleteResourceAction$2.run(DeleteResourceAction.java:464)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:76)