JHAT unable to read heap dump

I have a heap dump taken on a 64 bit linux 1.5.0_16 JVM (64bit).
I'm unable to read the file using JHAT (latest 1.6.0 JDK), getting the following error: WARNING: Ignoring unrecognized record type 32
Have tried on both Win32 and 64bit Linux platforms.
Regards,

Hi Mike,
your heap dump is probably broken. Taking heap dump with jmap under JDK 1.5 is more suited for recovering a heap dump from a core dump file rather than taking the heap dump of a running java application. jmap can observe the heap in an inconsistent state and hence the dump file is not always useful. You can try to create core dump of the java application (if you can) and than use jmap to get heap dump from core dump. Note that there is no such from when you are running on JDK/JRE 6.
Bye,
Tomas Hurka <mailto:[email protected]>
NetBeans Profiler http://profiler.netbeans.org
VisualVM http://visualvm.dev.java.net
Software Engineer, Developer Platforms Group
Sun Microsystems, Praha Czech Republic

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