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Date: Mon, 23 Feb 2015 12:01:46 -0500
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 <CA+vhsuvLoZO4MweDCkRfrXHKt3ZzEzQCoBUR-Go3VzYdrhYTRA@mail.gmail.com>
Subject: turning off per class logging
From: Ben Hsu <ben.hsu@criticalmedia.com>
To: user@zookeeper.apache.org
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Hello

I wish to suppress zookeeper logging at the class level. I see a lot of
messages in my log along these lines:

2015-02-23 16:54:53,192 - INFO  [NIOServerCxn.Factory:/0.0.0.0:2181
:NIOServerCnxnFactory@197] - Accepted socket connection from /
127.0.0.1:37142
2015-02-23 16:54:53,202 - INFO  [NIOServerCxn.Factory:/0.0.0.0:2181
:NIOServerCnxn@827] - Processing srvr command from /127.0.0.1:37142
2015-02-23 16:54:53,205 - INFO  [Thread-3:NIOServerCnxn@1007] - Closed
socket connection for client /127.0.0.1:37142 (no session established for
client)
2015-02-23 16:54:53,234 - INFO  [NIOServerCxn.Factory:/0.0.0.0:2181
:NIOServerCnxnFactory@197] - Accepted socket connection from /
127.0.0.1:37143
2015-02-23 16:54:53,235 - INFO  [NIOServerCxn.Factory:/0.0.0.0:2181
:NIOServerCnxn@827] - Processing wchs command from /127.0.0.1:37143
2015-02-23 16:54:53,237 - INFO  [Thread-4:NIOServerCnxn@1007] - Closed
socket connection for client /127.0.0.1:37143 (no session established for
client)


I want to set logging for the NIOServerCnxn and NIOServerCnxnFactory
classes to WARN, but keep everything else at the INFO level. How can I do
this?

I tried to set log4j properties at the class level:

java -Dlog4j.logger.org.apache.zookeeper.server.NIOServerxnFactory=3DWARN
-Dlog4j.logger.org.apache.zookeeper.server.NIOServerCnxn=3DWARN
-Dzookeeper.log.dir=3D/var/log/ -Dzookeeper.root.logger=3DCONSOLE -cp
/etc/zookeeper::/usr/lib64/zookeeper/bin/../zookeeper-3.4.6.jar:/usr/lib64/=
zookeeper/bin/../lib/jline-0.9.94.jar:/usr/lib64/zookeeper/bin/../lib/log4j=
-1.2.16.jar:/usr/lib64/zookeeper/bin/../lib/netty-3.7.0.Final.jar:/usr/lib6=
4/zookeeper/bin/../lib/slf4j-api-1.6.1.jar:/usr/lib64/zookeeper/bin/../lib/=
slf4j-log4j12-1.6.1.jar
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.local.only=3Dfalse
org.apache.zookeeper.server.quorum.QuorumPeerMain /etc/zookeeper/zoo.cfg

This didn't work: log messages for those two classes are still coming out.
I tried with the lower case ("warn" instead of "WARN") and that didn't work
either

Further playing around with setting zookeeper.root.logger to ERROR makes me
wonder if zookeeper is honoring these command line parameters at all

I don't see any reference to a log4j.properties, and running it under
strace tells me its not opening a log4j file anywhere.

any ideas?

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