I installed the candidate and got the following exception when
performing some basic operations. The operations succeeded - it looks
like a problem with JMX integration. Has anyone else seen this?

Thanks,
Tom

$ bin/zkServer.sh start
JMX enabled by default
-n Starting zookeeper ...
STARTED
loy:zookeeper-3.1.0 tom$
javax.management.MalformedObjectNameException: Invalid character ':'
in value part of property
        at javax.management.ObjectName.construct(ObjectName.java:602)
        at javax.management.ObjectName.<init>(ObjectName.java:1394)
        at 
org.apache.zookeeper.jmx.MBeanRegistry.makeObjectName(MBeanRegistry.java:173)
        at 
org.apache.zookeeper.jmx.MBeanRegistry.register(MBeanRegistry.java:70)
        at 
org.apache.zookeeper.server.NIOServerCnxn.finishSessionInit(NIOServerCnxn.java:861)
        at 
org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:145)
        at 
org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:127)
        at 
org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:75)
java.lang.IllegalArgumentException: Null object name
        at 
com.sun.jmx.mbeanserver.MXBeanSupport.register(MXBeanSupport.java:138)
        at 
com.sun.jmx.mbeanserver.MBeanSupport.preRegister2(MBeanSupport.java:183)
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:941)
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917)
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312)
        at 
com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482)
        at 
org.apache.zookeeper.jmx.MBeanRegistry.register(MBeanRegistry.java:72)
        at 
org.apache.zookeeper.server.NIOServerCnxn.finishSessionInit(NIOServerCnxn.java:861)
        at 
org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:145)
        at 
org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:127)
        at 
org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:75)


On Thu, Feb 5, 2009 at 8:56 PM, Stu Hood <stuh...@mailtrust.com> wrote:
> +1
>
> Thanks Patrick!
>
>
> -----Original Message-----
> From: "Patrick Hunt" <ph...@apache.org>
> Sent: Wednesday, February 4, 2009 6:33pm
> To: "zookeeper-dev@hadoop.apache.org" <zookeeper-dev@hadoop.apache.org>
> Subject: [VOTE] Release ZooKeeper 3.1.0 (candidate 1)
>
> I've created a new candidate (rc1) that fixes an issue raised by a user
> (thanks Stu!) during review:
> https://issues.apache.org/jira/browse/ZOOKEEPER-291
> The release notes were also updated to reflect this change.
>
> Otw there are no other changes.
>
> *** Please download, test and VOTE before the
> *** vote closes EOD on Monday February 9.***
>
> http://people.apache.org/~phunt/zookeeper-3.1.0-candidate-1/
>
> Should we release this?
>
> Patrick
>
>
>
>
>

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