Bugs item #657311, was opened at 2002-12-21 16:16
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=376685&aid=657311&group_id=22866

Category: None
Group: None
>Status: Closed
>Resolution: Invalid
Priority: 5
Submitted By: Dennis Cartier (dcartier)
Assigned to: Nobody/Anonymous (nobody)
Summary: Resource Contention - Leaking Handles

Initial Comment:
I have noticed some odd files appearing in the /tmp
directory of my Linux JBoss machines. They are all
named ddtbXXXXX.tmp

Eg.
ddtb48340.tmp ddtb48349.tmp ddtb48358.tmp ddtb48367.tmp ...

When I check the output of lsof, it appears that close
to all of the java processes running each have every
one of the ddtb files open. This quickly adds up to
thousands of open files. Each one of the ddtb files are
0 bytes long, so there is not even anything in them.

I have tried deleting them while JBoss reamins running,
no ill effects were observed, but lsof still shows the
java process having them open even after they are gone.

It appears to be only under load that the files are
created. Idle servers do not seem to generate these files.

I am just worried that over a period of time, this will
cause the JBoss servers to eventually fail. Can anyone
shed any light on this?

Particulars:
JBoss 3.0.4 Tomcat 4.1.12
Debian Stable Linux
Kernel 2.4.19
Sun 1.4.0_02 JVM

----------------------------------------------------------------------

>Comment By: Dennis Cartier (dcartier)
Date: 2003-01-19 11:54

Message:
Logged In: YES 
user_id=673615

I found the problem in my code. Dangling JDBC objects are
responsible. Case Closed.

Please see:
http://www.jboss.org/forums/thread.jsp?nav=false&forum=61&thread=24687&start=0&msRange=15

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=376685&aid=657311&group_id=22866


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