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Home » Eclipse Projects » Memory Analyzer » Help in analyzing java.lang.ref.Finalizer in Heap dump analysis (Help in analyzing java.lang.ref.Finalizer in Heap dump)
Help in analyzing java.lang.ref.Finalizer in Heap dump analysis [message #1234071] Tue, 21 January 2014 07:05 Go to next message
suman kumar is currently offline suman kumar
Messages: 1
Registered: January 2014
Junior Member
Hi, I am getting the below message in MAT heap dump analyzer overview section

The class "java.lang.ref.Finalizer", loaded by "<system class loader>", occupies 444,982,392 (85.34%) bytes. The memory is accumulated in class "java.lang.ref.Finalizer", loaded by "<system class loader>".

Can someone help me in decoding this issue? what could be going wrong here?


Re: Help in analyzing java.lang.ref.Finalizer in Heap dump analysis [message #1239066 is a reply to message #1234071] Mon, 03 February 2014 09:05 Go to previous messageGo to next message
Andrew Johnson is currently offline Andrew Johnson
Messages: 122
Registered: July 2009
Senior Member
Please try running some of the finalizer queries.

The easiest way is to run the 'Top Components' report, then look at the end for 'Finalizer Statistics'.

Andrew Johnson
Re: Help in analyzing java.lang.ref.Finalizer in Heap dump analysis [message #1272750 is a reply to message #1234071] Tue, 18 March 2014 17:15 Go to previous message
Krishna R is currently offline Krishna R
Messages: 4
Registered: February 2011
Junior Member
Check stack of Finalizer thread. It is possible that a "finalize()" method is deadlocked/blocked causing thread to be stuck at this object, hence the remaining of the Finalizer queue is not processed and piles up.
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