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From Esteban Gutierrez <este...@cloudera.com>
Subject Re: zookeeper closing socket connection exception
Date Mon, 01 Jun 2015 19:20:24 GMT
Hi Jeevi,

Have you looked into why the ZooKeeper server is no longer accepting
connections? what is the number of clients you have running per host and
what is the configured value of maxClientCnxns in the ZooKeeper servers?
Also is the issue impacting clients only or is it also impacting the


Cloudera, Inc.

On Mon, Jun 1, 2015 at 12:15 PM, jeevi tesh <jeevitesh.ms@gmail.com> wrote:

> Hi,
> I'm running into this issue several times but still not able resolve kindly
> help me in this regard.
> I have written a crawler which will be keep running for several days after
> 4 days of continuous interaction of data base with my application system.
> Data base fails to responsed. I'm not able to figure where things all of a
> sudden can go wrong after 4 days of proper running.
> My configuration i have used hbase 0.96.2 single server.
> jdk 1.7
> issue is this following error
> WARN  [http-bio-8080-exec-4-SendThread(hadoop2:2181)] zookeeper.ClientCnxn
> (ClientCnxn.java:run(1089)) - Session 0x14da00e69e001ad for server null,
> unexpected error, closing socket connection and attempting reconnect
> java.net.ConnectException: Connection refused
> If this exception happens only solution i have is restart hbase that is not
> a viable solution because that will corrupt my system data.

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