JaroslavTulach opened a new pull request #2379:
URL: https://github.com/apache/netbeans/pull/2379


   Commit 8b59038 demonstrates the problems when reading a Hprof file with 
multiple segments. The current code yields:
   ```
   java.lang.IllegalArgumentException: Invalid dump tag 0 at position 1415
        at 
org.netbeans.lib.profiler.heap.HprofHeap.readDumpTag(HprofHeap.java:1138)
        at 
org.netbeans.lib.profiler.heap.HprofHeap.fillHeapTagBounds(HprofHeap.java:1215)
        at org.netbeans.lib.profiler.heap.HprofHeap.<init>(HprofHeap.java:140)
        at 
org.netbeans.lib.profiler.heap.HeapFactory.createHeap(HeapFactory.java:80)
        at 
org.netbeans.lib.profiler.heap.HeapFactory.createHeap(HeapFactory.java:49)
   ```
   The code in `HprofHeap` seems to assume only one segment is active. Can it 
be made ready for multiple segments or at least read them one by one.


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