|DTFJ adapter doesn't show attributes and values [message #479167]
||Mon, 10 August 2009 04:57
Originally posted by: hanan.kenan.gmail.com|
using the latest MAT, DTFJ _ DFFJ Adaptor i get a strange experience:
in Inspector Window in Attribute tab (and also Statics) no attribute are
shown and no value is shown.
also when focus on String objects (all init as "\u0000.....")
is this with intention or a bug ?
however on SUN hprof all data is avail
|Re: DTFJ adapter doesn't show attributes an d values [message #495434 is a reply to message #495141]
||Wed, 04 November 2009 20:23
| Andrew Johnson
Registered: July 2009
System core dump files (generated by 1.4.2 with the SYSDUMP option), processed by jextract, have full attribute information.|
System core dump files are different from javacore files. Javacore files are human readable and just have some information about threads, monitors, loaded classes etc. They aren't very useful for MAT, though in combination with Portable Heap Dump files they can help MAT assign classes to the correct class loader.
See http:// wiki.eclipse.org/index.php/MemoryAnalyzer#System_Dumps_and_H eap_Dumps_from_IBM_Virtual_Machines
IBM Java 1.4.2 dump options
A quick reference for IBM Java 1.4.2 dump options
* export JAVA_DUMP_OPTS=ONOUTOFMEMORY(SYSDUMP,HEAPDUMP,JAVADUMP)
* set JAVA_DUMP_OPTS=ONOUTOFMEMORY(SYSDUMP,HEAPDUMP,JAVADUMP)
On non-z/OS systems process any system dump files with JExtract to give a .sdff file. On z/OS systems copy the SVC dump file in binary mode to your Eclipse Memory Analyzer system, giving it a .dmp file extension.
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