mydump.hprof.mat.log

eclipse.buildId=unknown
java.version=1.8.0_181
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB
Framework arguments:  mydump.hprof
Command-line arguments:  -os linux -ws gtk -arch x86_64 mydump.hprof

org.eclipse.core.jobs
Error
Thu Aug 16 13:21:31 CEST 2018
An internal error occurred during: "Parsing heap dump from 'mydump.hprof'".

java.lang.NullPointerException
	at org.eclipse.mat.hprof.HprofParserHandlerImpl.resolveClassHierarchy(HprofParserHandlerImpl.java:587)
	at org.eclipse.mat.hprof.Pass2Parser.readInstanceDump(Pass2Parser.java:205)
	at org.eclipse.mat.hprof.Pass2Parser.readDumpSegments(Pass2Parser.java:159)
	at org.eclipse.mat.hprof.Pass2Parser.read(Pass2Parser.java:89)
	at org.eclipse.mat.hprof.HprofIndexBuilder.fill(HprofIndexBuilder.java:94)
	at org.eclipse.mat.parser.internal.SnapshotFactoryImpl.parse(SnapshotFactoryImpl.java:222)
	at org.eclipse.mat.parser.internal.SnapshotFactoryImpl.openSnapshot(SnapshotFactoryImpl.java:126)
	at org.eclipse.mat.snapshot.SnapshotFactory.openSnapshot(SnapshotFactory.java:145)
	at org.eclipse.mat.ui.snapshot.ParseHeapDumpJob.run(ParseHeapDumpJob.java:83)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

mydump.hprof.obadiah.log

myuser@mymachine:/path/to$ java -jar obadiah-1.2.4.jar mydump.hprof stacktrace
Using buffer size: 1048576 bytes
Parsing thread dump header...
Looking for thread dump roots and marking heap dump segments......................................................................................................................................................................................................................................................................
Looking for thread instances....................................................................................................................................................................................................................................................................
Still have unresolved thread class hierarchy. Looking for missing classes...................
Still have unresolved thread class hierarchy. Looking for missing classes....
Looking for load class definitions...
Loading required String representations........................................................
Loading thread names....................................................................................................................................................................................................................................................................

About to extract thread dump into /path/to/obadiah-td.txt

Exception in thread "main" java.lang.NullPointerException
        at sd.fomin.obadiah.out.StackTracePrinter.lambda$printStackTrace$1(StackTracePrinter.java:42)
        at java.util.HashMap.forEach(HashMap.java:1289)
        at sd.fomin.obadiah.out.StackTracePrinter.printStackTrace(StackTracePrinter.java:29)
        at sd.fomin.obadiah.Obadiah.process(Obadiah.java:53)
        at sd.fomin.obadiah.Bootstrap.main(Bootstrap.java:42)