I'm trying to use hat tool from http://hat.dev.java.net, with the
  latest mustang build, and it's not going too well.

  hat throws this exception when trying to parse the binary output
  file created by hprof:
#>/import/java/jdk1.6.0/solaris-sparc/bin/java -client -version
java version "1.6.0-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-ea-b42)
Java HotSpot(TM) Client VM (build 1.6.0-ea-b42, mixed mode)

/import/java/jdk1.6.0/solaris-sparc/bin/java -client -agentlib:hprof=depth=6,format=b LeakWindow

[tdv@nukite:] -< ~/public_html/bugs/disposer_leak >
#>/import/java/jdk1.6.0/solaris-sparc/bin/java -jar ~/perf/hat/bin/hat.jar ./java.hprof
Started HTTP server on port 7000
Reading from ./java.hprof...
Dump file created Thu Feb 27 04:56:57 PST 1992
java.io.IOException: Thread 200001 not found for JNI local ref
        at hat.parser.HprofReader.getThreadObjectFromSequence(HprofReader.java:577)
        at hat.parser.HprofReader.readHeapDump(HprofReader.java:379)
        at hat.parser.HprofReader.read(HprofReader.java:221)
        at hat.parser.Reader.readFile(Reader.java:90)
        at hat.Main.main(Main.java:149)

I've attached the hprof file.

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