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https://issues.apache.org/jira/browse/CASSANDRA-1832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969035#action_12969035
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Rustam Aliyev commented on CASSANDRA-1832:
------------------------------------------
You right Ran, I checked this machine again and I have another service
listening on 8081.
For some reason I thought that MX4J uses same port.
With config options we can close it now.
> mx4j does not load
> ------------------
>
> Key: CASSANDRA-1832
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1832
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Affects Versions: 0.7.0 rc 1
> Environment: CentOS 5.5
> Reporter: Rustam Aliyev
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.7.0
>
> Attachments: CASSANDRA-1832.patch
>
>
> Adding mx4j-tools.jar (latest) to the library causes following exception:
> {code}
> WARN 20:22:25,123 Could not start register mbean in JMX
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.cassandra.utils.Mx4jTool.maybeLoad(Mx4jTool.java:67)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:169)
> at
> org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:55)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:216)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:134)
> Caused by: java.net.BindException: Address already in use
> at java.net.PlainSocketImpl.socketBind(Native Method)
> at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:365)
> at java.net.ServerSocket.bind(ServerSocket.java:319)
> at java.net.ServerSocket.<init>(ServerSocket.java:185)
> at
> mx4j.tools.adaptor.PlainAdaptorServerSocketFactory.createServerSocket(PlainAdaptorServerSocketFactory.java:24)
> at
> mx4j.tools.adaptor.http.HttpAdaptor.createServerSocket(HttpAdaptor.java:672)
> at mx4j.tools.adaptor.http.HttpAdaptor.start(HttpAdaptor.java:478)
> ... 9 more
> {code}
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