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https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506541#comment-13506541
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Paulo Ricardo Paz Vital commented on ZOOKEEPER-1477:
----------------------------------------------------

Patrick, I could build 3.4.5 using IBM Java 7 SR 3 and it's working with no 
problems (the environment is a x86_64 running RHEL6.3).

First, I tried to build 3.4.4 with IBM Java 7 SR 3, and got the same problems 
as reported by Diwaker Gupta in the beginning of this thread. After checked the 
comments from Eugene Koontz regarding the ZOOKEEPER-1550, and the good results 
reported by Diwaker after applied the patch on 3.4.3, I decided to check the 
current version (3.4.5) and trunk. 

Both versions (3.4.5 and trunk) are build with no problems with IBM (7 SR 3) 
and Oracle (7 update 9) JVMs.
                
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
>                 Key: ZOOKEEPER-1477
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server, tests
>    Affects Versions: 3.4.3
>         Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
>            Reporter: Diwaker Gupta
>             Fix For: 3.4.6
>
>         Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, 
> including ZooKeeperTest. A common symptom was spurious 
> {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO  
> [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED 
> testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode 
> = ConnectionLoss for /
>         at 
> org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
>         at 
> org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>         at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
>         at 
> org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures 
> when using Netflix's Curator with Java 7 (see 
> https://github.com/Netflix/curator/issues/79). After a while, I figured I 
> should establish a clean ZK baseline first and realized it is actually a ZK 
> issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right 
> now.

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