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Posted to dev@curator.apache.org by "Nathan Alderson (JIRA)" <ji...@apache.org> on 2016/09/09 15:03:20 UTC
[jira] [Commented] (CURATOR-285) LeaderElection with 3.0.0
[ https://issues.apache.org/jira/browse/CURATOR-285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15477264#comment-15477264 ]
Nathan Alderson commented on CURATOR-285:
-----------------------------------------
I am also seeing this issue. Also with 3.0.0.
> LeaderElection with 3.0.0
> -------------------------
>
> Key: CURATOR-285
> URL: https://issues.apache.org/jira/browse/CURATOR-285
> Project: Apache Curator
> Issue Type: Bug
> Components: Recipes
> Affects Versions: 3.0.0
> Environment: Mac OS X version 10.11.1, Java 1.8.0_45, ZooKeeper 3.4.7
> Reporter: Kunal Bharati
>
> I am running 3 instances of ZooKeeper and the config is this:
> tickTime=2000
> initLimit=10
> syncLimit=5
> dataDir=/tmp/zookeeper1
> clientPort=2181
> maxClientCnxns=1000
> server.1=127.0.0.1:2888:3888
> server.2=127.0.0.1:2889:3889
> server.3=127.0.0.1:2890:3890
> I am using the leader election example code given here: https://git-wip-us.apache.org/repos/asf?p=curator.git;a=tree;f=curator-examples/src/main/java/leader;h=73b547eadb98995c0ccbd06a5b76d0741ffef263;hb=HEAD
> The code runs fine with TestingServer but when I change connection string to : "127.0.0.1:2181,127.0.0.1:2182,127.0.0.1:2183", I get the exceptions:
> [main-SendThread(127.0.0.1:2183)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 127.0.0.1/127.0.0.1:2183. Will not attempt to authenticate using SASL (unknown error)
> [main-SendThread(127.0.0.1:2183)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /127.0.0.1:56111, server: 127.0.0.1/127.0.0.1:2183
> [main-SendThread(127.0.0.1:2183)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 127.0.0.1/127.0.0.1:2183, sessionid = 0x3521552283c0000, negotiated timeout = 40000
> [main-EventThread] INFO org.apache.curator.framework.state.ConnectionStateManager - State change: CONNECTED
> [main-SendThread(127.0.0.1:2183)] INFO org.apache.zookeeper.ClientCnxn - Unable to read additional data from server sessionid 0x3521552283c0000, likely server has closed socket, closing socket connection and attempting reconnect
> [main-EventThread] INFO org.apache.curator.framework.imps.EnsembleTracker - New config event received: null
> [main-EventThread] ERROR org.apache.curator.framework.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
> java.lang.NullPointerException
> at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
> at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
> at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
> at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
> at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
> at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
> at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
> at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
> at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
> [main-EventThread] INFO org.apache.curator.framework.state.ConnectionStateManager - State change: SUSPENDED
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