Heap Analysis Tool (HAT) - HELP ASAP!!!!

HELP!
I am trying to use HAT to analysis a .hprof binary file with HAT, however the I cannot get the server to started. I kept getting the following errors:
Started HTTP server on port 7000
Reading from OLV3.hprof...
Dump file created Mon Jan 27 14:19:30 PST 2003
java.io.IOException: Stack trace not found for serial # 0
at hat.parser.HprofReader.getStackTraceFromSerial(HprofReader.java:612)
at hat.parser.HprofReader.readArray(HprofReader.java:778)
at hat.parser.HprofReader.readHeapDump(HprofReader.java:437)
at hat.parser.HprofReader.read(HprofReader.java:222)
at hat.parser.Reader.readFile(Reader.java:91)
at hat.Main.main(Main.java:135)
I am using 1.3.1_05 SDK as my Java development tool. Please advise by sending your reply to [email protected]
Sincerely, Joseph Yin

Hi !
Running into just about the same problem with JDK 1.4.2:
./hat log/wb1N1.hprof
Started HTTP server on port 7000
Reading from /export/webbase/log/wb1N1.hprof...
Dump file created Mon Jan 26 18:05:52 MET 2004
java.io.IOException: Stack trace not found for serial # 0
at hat.parser.HprofReader.getStackTraceFromSerial(HprofReader.java:612)
at hat.parser.HprofReader.readArray(HprofReader.java:778)
at hat.parser.HprofReader.readHeapDump(HprofReader.java:437)
at hat.parser.HprofReader.read(HprofReader.java:222)
at hat.parser.Reader.readFile(Reader.java:91)
at hat.Main.main(Main.java:135)
Following the suggestion in the previous post i get:
./hat -stack=false log/wb1N1.hprof
Started HTTP server on port 7000
Reading from /export/webbase/log/wb1N1.hprof...
Dump file created Mon Jan 26 18:05:52 MET 2004
java.io.IOException: Class name not found for 0x00155318
at hat.parser.HprofReader.readClass(HprofReader.java:677)
at hat.parser.HprofReader.readHeapDump(HprofReader.java:422)
at hat.parser.HprofReader.read(HprofReader.java:222)
at hat.parser.Reader.readFile(Reader.java:91)
at hat.Main.main(Main.java:135)
Anyone any ideas what the problem here is ?
Thanks for any help
Thomas

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