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Date: Tue, 10 Sep 2013 19:04:51 -0500
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Subject: Re: Two concurrent programs using the same hbase
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Hi Benjamin,

Are you able to insert data through hbase shell? How big is your zookeeper
quorum? Are you running zookeeper as a separate process?
Maybe you should just add more connections to your zookeeper process
through its configuration file.


Renato M.


2013/9/10 Sznajder ForMailingList <bs4mailinglist@gmail.com>

> Hi
>
> I installed hbase on a gpfs directory and lanched it using
> bin/start-hbase.sh
>
> Two servers on this gpfs filesystem run a similar program.
> This program accesses the hbase via GORA call:
>
> this.dataStore = DataStoreFactory.getDataStore(Long.class,
>                     Pageview.class, new Configuration());
>
>
> However, when I am launching the second program on the second server, I get
> the following exception:
>      [java] Exception in thread "main" java.lang.RuntimeException:
> org.apache.gora.util.GoraException: java.lang.RuntimeException:
> org.apache.hadoop.hbase.ZooKeeperConnectionException: HBase is able to
> connect to ZooKeeper but the connection closes immediately. This could be a
> sign that the server has too many connections (30 is the default). Consider
> inspecting your ZK server logs for that error and then make sure you are
> reusing HBaseConfiguration as often as you can. See HTable's javadoc for
> more information.
>
>
>
> I do not know how to solve that. It is strange, since only *two* programs
> use this HBASE connection.
>
> Thanks a lot
>
> Benjamin
>

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