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This bug was originally marked as duplicate of bug 244638, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0.2 (Build 201411181905) VM: Java HotSpot(TM) 64-Bit Server VM, 24.71-b01, Java(TM) SE Runtime Environment, 1.7.0_71-b14 OS: Windows 7 User Comments: GUEST: OutOfMemoryError: GC overhead limit exceeded Stacktrace: java.lang.OutOfMemoryError: GC overhead limit exceeded at java.util.HashSet.<init>(HashSet.java:142) at org.openide.filesystems.MultiFileObject.update(MultiFileObject.java:199) at org.openide.filesystems.MultiFileObject.<init>(MultiFileObject.java:136) at org.openide.filesystems.MultiFileObject.createFile(MultiFileObject.java:560) at org.openide.filesystems.AbstractFolder.getChild(AbstractFolder.java:370) at org.openide.filesystems.AbstractFolder.getChild(AbstractFolder.java:341)
Created attachment 152123 [details] stacktrace
Code in o.n.m.web.beans.navigation.actions.WebBeansActionHelper.hasJsr330() leads to opening a child FileObject in EDT. The file is locked by thread "org.netbeans.modules.java.hints.declarative.DeclarativeHintRegistry" for a long time, probably because the filesystem is busy. Reassigning to javaee/CDI. Please evaluate. If it's difficult to fix the bug, I think this issue can be closed as WONTFIX, as it is mainly caused by slow filesystem. Thank you.
> Reassigning to javaee/CDI. Please evaluate. I'm sorry, wrong bug. Please ignore the comment above. Thank you.
There are 15 million instances of java.lang.StackTraceElement in the heap dump. It seems that there is some problem with NetBeans installation, user directory or project directory (missing files in filesystem). Didn't you try to reinstall NetBeans? Did it help?
I'm sorry, I cannot investigate the problem without additional information. Closing as incomplete for now. Please feel free to reopen if you can provide more details. Thank you.