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Posted to notifications@accumulo.apache.org by GitBox <gi...@apache.org> on 2019/03/01 19:06:40 UTC

[GitHub] keith-turner opened a new issue #1007: ZooUtil.putData may create data, timeout, then fail

keith-turner opened a new issue #1007: ZooUtil.putData may create data, timeout, then fail
URL: https://github.com/apache/accumulo/issues/1007
 
 
   [ZooUtil.putData()](https://github.com/apache/accumulo/blob/rel/1.9.2/fate/src/main/java/org/apache/accumulo/fate/zookeeper/ZooUtil.java#L293)  accepts an option to fail on create if a node exists.  I am not completely sure but I think the following can happen.
   
    * Call to Zookeeper to create data timesout, but it was created by on the ZK server side AND it didn't exist
    * Timeout exception causes a retry
    * Retry fails because the node exists.
   
   I noticed this while reviewing #1005
    

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