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This bug was originally marked as duplicate of bug 162133, 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 RC1 (Build 201402242200) VM: Java HotSpot(TM) 64-Bit Server VM, 24.0-b56, Java(TM) SE Runtime Environment, 1.7.0_40-b43 OS: Windows 7 User Comments: GUEST: I closed the application and it never shut down. Stacktrace: java.lang.OutOfMemoryError: GC overhead limit exceeded at com.sun.tools.javac.util.SharedNameTable.<init>(SharedNameTable.java:84) at com.sun.tools.javac.util.SharedNameTable.<init>(SharedNameTable.java:90) at com.sun.tools.javac.util.Names.createTable(Names.java:324) at com.sun.tools.javac.util.Names.<init>(Names.java:184) at com.sun.tools.javac.util.Names.instance(Names.java:44) at com.sun.tools.javac.main.JavaCompiler.<init>(JavaCompiler.java:362)
Created attachment 146076 [details] stacktrace
As can be seen from the attached heap dump. most of the memory is occupied by debugger related data. Reassigning.
Probably already fixed by the fix of issue #247590.