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From Robin <rchzz...@163.com>
Subject Re:RE: A little bug in org.apache.zookeeper.ZooKeeper (3.4.6)
Date Fri, 21 Nov 2014 08:46:04 GMT
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" <rakeshr@huawei.com> 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:rchzzjcn@163.com] 
>Sent: 21 November 2014 14:00
>To: user@zookeeper.apache.org
>Subject: Re:RE: A little bug in org.apache.zookeeper.ZooKeeper (3.4.6)
>
>OK, let me try it.
>
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>在 2014-11-21 16:17:04,"Flavio Junqueira" <fpjunqueira@yahoo.com.INVALID> 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" <rchzzjcn@163.com>
>>Sent: ‎21/‎11/‎2014 07:23
>>To: "user@zookeeper.apache.org" <user@zookeeper.apache.org>
>>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!
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