Sorry... I have just created https://issues.apache.org/jira/browse/ZOOKEEPER-2086
Later I will search the issues list before I create an issue. 在 2014-11-21 16:37:00，"Rakesh R" <[email protected]> 写道： >Thanks Robin for reporting this. I could see a jira talking the same. Please >have a look at this >https://issues.apache.org/jira/browse/ZOOKEEPER-1875 > >Regards, >Rakesh >-----Original Message----- >From: Robin [mailto:[email protected]] >Sent: 21 November 2014 14:00 >To: [email protected] >Subject: Re:RE: A little bug in org.apache.zookeeper.ZooKeeper (3.4.6) > >OK, let me try it. > > > > > > > > >在 2014-11-21 16:17:04，"Flavio Junqueira" <[email protected]> 写道： >>Hi Robin, >> >>Could you create a jira and report it there, please? If you could provide a >>patch, even better. >> >>-Flavio >> >>-----Original Message----- >>From: "Robin" <[email protected]> >>Sent: 21/11/2014 07:23 >>To: "[email protected]" <[email protected]> >>Subject: A little bug in org.apache.zookeeper.ZooKeeper (3.4.6) >> >>Hi, >>In org.apache.zookeeper.ZooKeeper.ZKWatchManager#materialize(), even if the >>defaultWatcher is null, it is still be added into the Set and returned. This >>would cause a lot of annoying error log at >>org.apache.zookeeper.ClientCnxn.EventThread#processEvent as below: >> 2014-11-21 15:21:23,279 - ERROR - >> [main-EventThread:ClientCnxn$EventThread@524] - Error while calling watcher >> java.lang.NullPointerException >> at >> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522) >> at >> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498) >> >>It can be simply fixed by having a null check in ZKWatchManager. >> >>Thanks!
