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Build: NetBeans IDE 7.0 Beta (Build 201011152355) VM: Java HotSpot(TM) Client VM, 17.0-b16, Java(TM) SE Runtime Environment, 1.6.0_21-b06 OS: Linux User Comments: YangombiUmpakati: just started netbeans 6.9, 6.8 are running too on background GUEST: update scala plugins and wait beside GUEST: Installing Selenium plugin for PHP. mperezma: It just finished installation of nbandroid plugin (http://kenai.com/downloads/nbandroid/updates.xml) and threw this exception, with "Installation completed successfully" in the back. GUEST: i was trying to create a java fx project , But i select option2 and click on next then come back and select1 and click on next. Then this error page has came. Stacktrace: java.lang.ClassCastException: org.openide.windows.DummyWindowManager$R cannot be cast to org.netbeans.core.windows.RegistryImpl at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:992) at org.netbeans.core.windows.Central.addModeClosedTopComponent(Central.java:868) at org.netbeans.core.windows.ModeImpl.addClosedTopComponent(ModeImpl.java:326) at org.netbeans.core.windows.PersistenceHandler.topComponentRefConfigAdded(PersistenceHandler.java:856) at org.netbeans.core.windows.persistence.ModuleChangeHandler$3.run(ModuleChangeHandler.java:457) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
Created attachment 103705 [details] stacktrace
*** Bug 195558 has been marked as a duplicate of this bug. ***
*** Bug 195556 has been marked as a duplicate of this bug. ***
lookup attempts to create new instance of windowmanagerimpl even though such an instance already exists
works for me, but I am adding more logging: ergonomics#22a70c45d2f7
Integrated into 'main-golden', will be available in build *201102280001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/22a70c45d2f7 User: Jaroslav Tulach <jtulach@netbeans.org> Log: #193017: Recording who creates the WindowManagerImpl to provide detailed information when second creation fails
*** Bug 197648 has been marked as a duplicate of this bug. ***
Ok, so just to summarize duplicates : Bug 195558 , Bug 195556 , Bug 197648 , Bug 201069 , Bug 203924 , Bug 203923 , Bug 212317 beside that ~ 100 duplicates in ER ... also you added logging some time ago, so I would expect at least some evaluation
*** Bug 212317 has been marked as a duplicate of this bug. ***
I've refactored the code a bit in ergonomics#0dbe316af8ee If anyone can reproduce reliably, please run with -J-Dorg.openide.util.lookup.MetaInfServicesLookup.level=FINE logging to provide more insight into what is going on.
Integrated into 'main-golden', will be available in build *201205160400* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/0dbe316af8ee User: Jaroslav Tulach <jtulach@netbeans.org> Log: #193017: Cache separated into own 'monitor' class. Usage of HashSet eliminated.