[sheepdog-users] zookeeper followers hungs

[Maxim Terletskiy]

"GNU Java isn't java and won't work." (c) :)

Checked, on my follower nodes GNU Java is installed and used. The master 
node using OpenJDK 1.6.0 without any issues.

Updated Java on followers, will write if there will be any problems. :)

17.04.2014 17:06, Andrew J. Hobbs ?????:
> I just noticed the interior exception. gnu.java.nio from libgcj.so.  It
> would be worthwhile running openjdk or oracle official and see if the
> issue goes away, as it looks like it may be specific to gcj java.
>
> This link is to a zookeeper mailing list that talks about this very issue.
> http://answers.mapr.com/questions/5988/zookeeper-errors-after-212-upgrade
> http://qnalist.com/questions/128055/client-termination-error
>
> So root cause actually appears to be use of gcj rather than a more
> standard openjdk or official distribution.
>
>
> On 04/16/2014 09:40 PM, Hitoshi Mitake wrote:
>> On Sat, Apr 12, 2014 at 11:02 PM, Maxim Terletskiy <terletskiy at emu.ru> wrote:
>>> Hi!
>>>
>>> I'm using three nodes zookeeper cluster and have problems with follower
>>> nodes. They are working normal about  12-24 hours, after that process starts
>>> to using 100% of one cpu core and stops to responding. Restart helps but not
>>> for long. Does anyone have similar problem?
>>>
>>> There are warnings in logs:
>>> 2014-04-11 18:19:57,415 - WARN
>>> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory at 218] - Ign
>>> oring unexpected runtime exception
>>> java.nio.channels.CancelledKeyException
>>>      at gnu.java.nio.SelectionKeyImpl.readyOps(libgcj.so.10)
>>>      at
>>> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:187)
>>>      at java.lang.Thread.run(libgcj.so.10)
>>>
>>> Maybe my config is wrong?
>>>
>>> tickTime=2000
>>> initLimit=10
>>> syncLimit=5
>>> dataDir=/var/lib/zookeeper/data
>>> clientPort=2181
>>> maxCnxns=0
>>> server.1=node1:2888:3888
>>> server.2=node2:2888:3888
>>> server.3=node3:2888:3888
>>>
>>> Zookeeper version is 3.4.5, OS CentOS 6.5 x86_64.
>> Sorry, I cannot provide solution for it currently. Could you add an
>> issue to our tracker?
>>
>> Thanks,
>> Hitoshi
>>
>>> --
>>> sheepdog-users mailing lists
>>> sheepdog-users at lists.wpkg.org
>>> http://lists.wpkg.org/mailman/listinfo/sheepdog-users
>
>

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