zookeeper-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Stefano Salmaso <stefano.salm...@lastminute.com>
Subject Re: NullPointerException on ContainerManager
Date Mon, 04 Jul 2016 22:25:22 GMT
Hi Jordan,
first of all thanks for your time!
I have created jira issue... but I cannot assign to you!
This is the issue
https://issues.apache.org/jira/browse/ZOOKEEPER-2464

Thanks
Stefano.

On Mon, Jul 4, 2016 at 6:23 PM, Jordan Zimmerman <jordan@jordanzimmerman.com
> wrote:

> Please open an issue in Jira (
> http://issues.apache.org/jira/browse/ZOOKEEPER) and assign it to me
> (randgalt / Jordan Zimmerman).
>
> Thank you!
>
> -Jordan
>
> > On Jul 4, 2016, at 11:18 AM, Stefano Salmaso <
> stefano.salmaso@lastminute.com> wrote:
> >
> > Hi Apache ZooKeeper community,
> > I would like to expose you to a problem that we are experiencing.
> > We are using a cluster of 7 zookeeper and we use them to implement a
> > distributed lock using Curator (
> > http://curator.apache.org/curator-recipes/shared-reentrant-lock.html)
> > So .. we tried to play with the servers to see if everything worked
> > properly and we stopped and start servers to see that the system worked
> well
> > (like stop 03, stop 05, stop 06, start 05, start 06, start 03)
> >
> > We saw a strange behavior.
> > The number of znodes grew up without stopping (normally we had 4000 or
> > 5000, we got to 60,000 and then we stopped our application)
> >
> > In zookeeeper logs I saw this (on leader only, one every minute)
> >
> > 2016-07-04 14:53:50,302 [myid:7] - ERROR
> > [ContainerManagerTask:ContainerManager$1@84] - Error checking containers
> > java.lang.NullPointerException
> >       at
> >
> org.apache.zookeeper.server.ContainerManager.getCandidates(ContainerManager.java:151)
> >       at
> >
> org.apache.zookeeper.server.ContainerManager.checkContainers(ContainerManager.java:111)
> >       at
> >
> org.apache.zookeeper.server.ContainerManager$1.run(ContainerManager.java:78)
> >       at java.util.TimerThread.mainLoop(Timer.java:555)
> >       at java.util.TimerThread.run(Timer.java:505)
> >
> > Have you notice of this?
> > Could be a bug?
> >
> > Kind regards,
> > Stefano.
> >
> > --
> > [image: Bravofly Rumbo Group]
> >
> > Listed on SIX Swiss Exchange
> >
> > *Our websites*: lastminute.com | bravofly.com | volagratis.com |
> rumbo.es |
> > jetcost.com | group.lastminute.com
> >
> > This e-mail may contain confidential and/or privileged information. If
> you
> > are not the intended recipient (or have received this e-mail in error)
> > please notify the sender immediately and destroy this e-mail. Any
> > unauthorized copying, disclosure or distribution of the material in this
> > e-mail is strictly forbidden and could be a crime.
>
>

-- 
[image: Bravofly Rumbo Group] 

Listed on SIX Swiss Exchange 

*Our websites*: lastminute.com | bravofly.com | volagratis.com | rumbo.es | 
jetcost.com | group.lastminute.com 

This e-mail may contain confidential and/or privileged information. If you 
are not the intended recipient (or have received this e-mail in error) 
please notify the sender immediately and destroy this e-mail. Any 
unauthorized copying, disclosure or distribution of the material in this 
e-mail is strictly forbidden and could be a crime.

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message