[jira] [Created] (ZOOKEEPER-1905) ZKClients are hitting KeeperException$ConnectionLossException due to wrong usage pattern

["Rakesh R (JIRA)" <ji...@apache.org>]

Rakesh R created ZOOKEEPER-1905:
-----------------------------------

             Summary: ZKClients are hitting KeeperException$ConnectionLossException due to wrong usage pattern
                 Key: ZOOKEEPER-1905
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1905
             Project: ZooKeeper
          Issue Type: Sub-task
          Components: tests
            Reporter: Rakesh R
            Assignee: Rakesh R


Since the ZooKeeper client connection establishment happens in async way, the client should wait for the 'KeeperState.SyncConnected' event before start performing any ops. Many tests are having this kind of wrong pattern.

Reference:- Below stack trace taken from build https://builds.apache.org/job/ZooKeeper-3.4-WinVS2008_java/465/

{code}
    [junit] 2014-03-19 08:36:53,056 [myid:] - INFO  [main:JUnit4ZKTestRunner$LoggedInvokeMethod@62] - TEST METHOD FAILED testChecksums
    [junit] org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /crctest- 942
    [junit] 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
    [junit] 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
    [junit] 	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
    [junit] 	at org.apache.zookeeper.server.CRCTest.testChecksums(CRCTest.java:127)
{code}



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