Bugs item #903570, was opened at 2004-02-24 19:16
Message generated for change (Comment added) made by doychin
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Category: JBossCX
Group: v3.2
Status: Closed
Resolution: Out of Date
Priority: 5
Submitted By: Doychin Bondzhev (doychin)
Assigned to: Adrian Brock (ejort)
Summary: CachedConnectionManager uses unsychronized WeakHashMap

Initial Comment:
in CachedConnectionManager there is 
connectionStackTraces hash map object used to trace 
connections and theire return state.

this hash map in multi CPU envirnonment on heavy load 
leads to system freeze. In order to resolve this problem I 
set intrasaction-services connection trace flag to fals in 
order to aviod the use if this hash map object.

Posible solution is to construct this object using 
Conllection.synchronizedMap method.



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>Comment By: Doychin Bondzhev (doychin)
Date: 2004-02-24 20:05

Message:
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It was actually test heavy load to make sure that server will 
work properly. Ofcourse I'm glad this was fixed in the current 
3.2 source. I hope that soon we will get official release form 
this branch.

Thanks for your comments.

Doychin

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Comment By: Adrian Brock (ejort)
Date: 2004-02-24 19:42

Message:
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This has already been fixed in cvs.
http://cvs.sourceforge.net/viewcvs.py/jboss/jbosscx/src/main/org/jboss/resource/connectionmanager/CachedConnectionManager.java?only_with_tag=Branch_3_2

I wouldn't recommend running in "debug mode" under heavy
load anyway :-)
See deploy/transaction-service.xml

Regards,
Adrian

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