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From kaustubh147 <kaustubh.j...@gmail.com>
Subject zookeeper timeout issue
Date Tue, 17 Dec 2013 01:05:50 GMT
Hi,

Following warning message is filling our application logs very rapidly. This
statement is printed every time application talks with zookeeper.


[#|2013-12-13T08:33:03.023-0800|INFO|glassfish3.1.2|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=64;_ThreadName=Thread-2;|2013-12-13
08:33:03,023 WARN   org.apache.zookeeper.ClientCnxn - Session
0x342e9013f2d0063 for server null, unexpected error, closing socket
connection and attempting reconnect
java.lang.NullPointerException: key can't be null
	at java.lang.System.checkKey(System.java:771)
	at java.lang.System.getProperty(System.java:647)
	at
org.apache.zookeeper.client.ZooKeeperSaslClient.<init>(ZooKeeperSaslClient.java:133)
	at
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:943)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:993)


I am getting following INFO on zookeeper logs



[myid:1] - INFO 
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@812] - Refusing
session request for client /IP1:15703 as it has seen zxid 0x1c00001103 our
last zxid is 0x400000348 client must try another server
2013-12-16 15:45:56,999 [myid:1] - INFO 
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1001] - Closed
socket connection for client /10.163.160.78:15703 (no session established
for client)


it could be related to this problem

https://issues.apache.org/jira/browse/ZOOKEEPER-1237
or 
http://mail-archives.apache.org/mod_mbox/zookeeper-user/201208.mbox/%3CCANLc_9Jwieyyig=yg1yVCZaEoBc8SwWj3FqD4x993RYrPoD_PQ@mail.gmail.com%3E

Is there a solution to this problem or I will have to wait for next
zookeeper release.

Regards,
Kaustubh





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