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Home » Archived » Memory Analyzer (MAT) » MAT error on AIX 64-bit(Getting invalid magic number on AIX 64bit)
MAT error on AIX 64-bit [message #699053] Wed, 20 July 2011 18:08 Go to next message
Samira  is currently offline Samira Friend
Messages: 1
Registered: July 2011
Junior Member
I downloaded the and installed it on AIX 6.1, which is 64-bit, running WAS 64-bit as well. We need to parse a 4.5 GB heap dump from 64-bit WAS jvm.
I tried to use MAT with the IBM JDK that came with WAS and I get the below error:
Could not load module /usr/WebSphere64/AppServer/java/jre/bin/j9vm/
The module has an invalid magic number.

Is the MAT for aix.motif 32-bit only? If not then how do I configure MAT to get past this error?

Re: MAT error on AIX 64-bit [message #703983 is a reply to message #699053] Thu, 28 July 2011 06:36 Go to previous message
Krum Tsvetkov is currently offline Krum TsvetkovFriend
Messages: 163
Registered: July 2009
Senior Member

You can try using the <mat>/ script to parse the heap dump. Just call it like this:
./ <heap_dump>
Once it is parsed you should be able to work on it with the memory you can get from a 32bit jdk.

BTW, this forum has been moved about one year ago (as MAT moved to a different parent project at Eclipse). It should be impossible to post here Smile ... but obviously it was...
Please use for further questions.

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