Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@zookeeper.apache.org
Received-SPF: softfail (nike.apache.org: transitioning domain of
 hvram1@gmail.com does not designate 54.76.25.247 as permitted sender)
MIME-Version: 1.0
In-Reply-To: 
 <CAKq9_6+FdZMpGaex9TX5JAAT5DaeL-17iOddnMw8294uz=5W0g@mail.gmail.com>
References: 
 <CAKq9_6+FdZMpGaex9TX5JAAT5DaeL-17iOddnMw8294uz=5W0g@mail.gmail.com>
Date: Wed, 22 Apr 2015 21:33:25 +0530
Message-ID: 
 <CAAvn66hxU9v2nb110=Jdihecy9v-CaEcTBKapPqE8KrJpfK4Pg@mail.gmail.com>
Subject: Re: Intermittent connection loss error
From: Harihara Vinayakaram <hvram1@gmail.com>
To: user@zookeeper.apache.org
Content-Type: multipart/alternative; boundary=001a1134a5e696f0070514524d27

--001a1134a5e696f0070514524d27
Content-Type: text/plain; charset=UTF-8

Are u running on a VM ? VMWare VM's have a nasty habit of changing times
--Hari

On Tue, Apr 21, 2015 at 8:13 PM, Lahiru Ginnaliya Gamathige <
glahiru@gmail.com> wrote:

> Hi Devs,
>
> We are using ZK in Apache Airavata and when we run it for sometime some
> connections are get lost and never get reconnect. I get following error and
> since I try to reconnect in my process method it keeps trying and exhaust
> the log. Of course I can fix the log issue but I am not sure why this is
> happening . I am using ZK in standalone mode just single instance and below
> is the code I use to reconnect and the log.
>
> 2015-04-08 09:43:10,785 [main-SendThread(gw111.iu.xsede.org:2181)] WARN
> org.apache.zookeeper.ClientCnxn - Session 0x0 for server
> gw111.iu.xsede.org/149.165.228.109:2181, unexpected error, closing socket
> connection and attempting reconnect
> java.io.IOException: Connection reset by peer
> at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
> at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
> at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
> at sun.nio.ch.IOUtil.read(IOUtil.java:192)
> at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380)
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:66)
> at
>
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:291)
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1041)
>
>
> @Override
> synchronized public void process(WatchedEvent watchedEvent) {
>     logger.info(watchedEvent.getPath());
>     synchronized (mutex) {
>         Event.KeeperState state = watchedEvent.getState();
>         logger.info(state.name());
>         switch(state){
>             case SyncConnected:
>                 mutex.notify();
>             case Expired:case Disconnected:
>                 try {
>                     mutex = -1;
>                     zk = new
> ZooKeeper(AiravataZKUtils.getZKhostPort(),
> AiravataZKUtils.getZKTimeout(), this);
>                     synchronized (mutex) {
>                         mutex.wait();  // waiting for the syncConnected
> event
>                     }
>                     storeServerConfig();
>                 } catch (IOException e) {
>                     logger.error("Error while synchronizing with
> zookeeper", e);
>                 } catch (ApplicationSettingsException e) {
>                     logger.error("Error while synchronizing with
> zookeeper", e);
>                 } catch (InterruptedException e) {
>                     logger.error("Error while synchronizing with
> zookeeper", e);
>                 } catch (AiravataSystemException e) {
>                     logger.error("Error while synchronizing with
> zookeeper", e);
>                 }
>         }
>     }
> }
>
>
> Lahiru
>
>
> --
> Research Assistant
> Science Gateways Group
> Indiana University
>

--001a1134a5e696f0070514524d27--