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this Mac OS X & JDK 6 only bug. No heap dump can be opened with Mac OS X & JDK 6 and latest NetBeans dev. build. java.lang.NullPointerException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.netbeans.modules.profiler.heapwalk.oql.OQLEngine.init(OQLEngine.java:343) at org.netbeans.modules.profiler.heapwalk.oql.OQLEngine.<init>(OQLEngine.java:54) at org.netbeans.modules.profiler.heapwalk.OQLController.<init>(OQLController.java:83) at org.netbeans.modules.profiler.heapwalk.HeapFragmentWalker.<init>(HeapFragmentWalker.java:82) at org.netbeans.modules.profiler.heapwalk.HeapWalker.createMainFragment(HeapWalker.java:168) at org.netbeans.modules.profiler.heapwalk.HeapWalker.<init>(HeapWalker.java:92) at org.netbeans.modules.profiler.heapwalk.HeapWalker.<init>(HeapWalker.java:96) at org.netbeans.modules.profiler.heapwalk.HeapWalkerManager.openHeapWalker(HeapWalkerManager.java:165) at org.netbeans.modules.profiler.heapwalk.ui.OpenHeapWalkerAction$1.run(OpenHeapWalkerAction.java:96) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005) SEVERE [org.netbeans.lib.profiler.infolog]: Cannot create HeapWalker [/Users/thurka/Projects/Source/TestApp/small_heap.bin]
javascript engine is not available on Mac OS X JDK 6. workaround: Run NetBeans on JDK5.
Fixed in profiler-main changeset: 117667:ea82989ff908 user: Tomas Hurka <thurka@netbeans.org> date: Fri Feb 20 14:37:59 2009 +0100 summary: bugfix #158878, make sure we have JavaScript engine
Integrated into 'main-golden', will be available in build *200903080201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/ea82989ff908 User: Tomas Hurka <thurka@netbeans.org> Log: bugfix #158878, make sure we have JavaScript engine