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From Isaac <isaac....@gmail.com>
Subject Re: zookeeper connection loss exception occurs on new created ZooKeeper instance too much,why?
Date Thu, 08 Sep 2011 10:55:49 GMT
oh,i see. thanks for help. :)

On Wed, Sep 7, 2011 at 3:58 PM, Mahadev Konar <mahadev@hortonworks.com>wrote:

> Isaac,
>  You should wait for the state to be connected before issuing the requests.
>
> Take a look at the javadoc:
>
> http://bit.ly/oC6TEb
>
> hope that helps
> mahadev
>
>
> On Wed, Sep 7, 2011 at 12:48 AM, Isaac <isaac.198@gmail.com> wrote:
> > oh, i found this, operate on a zookeeper in status  CONNECTING will throw
> a
> > ConnectionLossException.
> > maybe that's the problem.
> > example:
> > [zk: 172.27.1.1:8082(CONNECTING) 1] ls /
> > Exception in thread "main" org.apache.zookeeper.KeeperException$
> > ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> >        at
> > org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
> >        at
> > org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
> >        at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243)
> >        at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1271)
> >        at
> > org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:700)
> >        at
> > org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:581)
> >        at
> > org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:353)
> >        at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:311)
> >        at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:270)
> >
> > On Wed, Sep 7, 2011 at 3:32 PM, Isaac <isaac.198@gmail.com> wrote:
> >
> >> zookeeper connection loss exception occurs on new created ZooKeeper
> >> instance too much
> >>
> >> code like this:
> >> ZooKeeper zk = new ZooKeeper(connectString, 3000, defaultWatcher);
> >> zk.exists("/");  //connection loss exception occurs here sometimes.
> >>
> >> any one knows why?
> >>
> >>
> >>
> >
>

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