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This issue was reported manually by thurka. It already has 1 duplicates Build: NetBeans IDE Dev (Build 20160610-89f8a448e170) VM: Java HotSpot(TM) 64-Bit Server VM, 25.72-b15, Java(TM) SE Runtime Environment, 1.8.0_72-b15 OS: Mac OS X User Comments: GUEST: 1) open heap dump from exception report 815156 2) compute path to GC root Stacktrace: java.lang.NullPointerException at org.netbeans.lib.profiler.heap.NearestGCRoot.fillZeroLevel(NearestGCRoot.java:257) at org.netbeans.lib.profiler.heap.NearestGCRoot.computeGCRoots(NearestGCRoot.java:128) at org.netbeans.lib.profiler.heap.NearestGCRoot.getNearestGCRootPointer(NearestGCRoot.java:98) at org.netbeans.lib.profiler.heap.HprofHeap.getNearestGCRootPointer(HprofHeap.java:679) at org.netbeans.lib.profiler.heap.InstanceDump.getNearestGCRootPointer(InstanceDump.java:108) at org.netbeans.modules.profiler.heapwalk.model.BrowserUtils.computeChildrenToNearestGCRoot(BrowserUtils.java:233)
Created attachment 160025 [details] stacktrace
Fixed in profiler-main changeset: 297387:c160853f77f3 user: Tomas Hurka <thurka@netbeans.org> date: Fri Jun 10 15:31:30 2016 +0200 summary: bugfix #262390, handle broken heapdump gracefuly