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From "Allan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15474) Exception in HConnectionImplementation's constructor cause Zookeeper connnections leak
Date Sun, 20 Mar 2016 01:11:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15203038#comment-15203038
] 

Allan Yang commented on HBASE-15474:
------------------------------------

still not apply

> Exception in HConnectionImplementation's constructor cause Zookeeper connnections leak

> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-15474
>                 URL: https://issues.apache.org/jira/browse/HBASE-15474
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>              Labels: patch
>             Fix For: 1.1.0
>
>         Attachments: HBASE-15474-branch-1.v3.patch, HBASE-15474v2.patch
>
>
> HConnectionImplementation creates a ZooKeeperKeepAliveConnection during construction,
but if the constructor throw a exception, the zookeeper connection is not properly closed.

> {code}
> HConnectionImplementation(Configuration conf, boolean managed,
>         ExecutorService pool, User user) throws IOException {
>       this(conf);
>       this.user = user;
>       this.batchPool = pool;
>       this.managed = managed;
>       this.registry = setupRegistry();
>       retrieveClusterId(); //here is the zookeeper connection created
>         this.rpcClient = RpcClientFactory.createClient(this.conf, this.clusterId);//
In our case, the exception happens here, so the zookeeper connection never closes
>         this.rpcControllerFactory = RpcControllerFactory.instantiate(conf);
>         ......
> {code}



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