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From Sa Li <sal...@gmail.com>
Subject question about jmxtrans to get kafka metrics
Date Thu, 08 Jan 2015 01:59:27 GMT
Hi, All

I installed jmxtrans and graphite, wish to be able to graph stuff from
kafka, but firstly I start the jmxtrans and getting such errors, (I use the
example graphite json).

./jmxtrans.sh start graphite.json

[07 Jan 2015 17:55:58] [ServerScheduler_Worker-4] 180214 DEBUG
(com.googlecode.jmxtrans.jobs.ServerJob:31) - +++++ Started server job:
Server [host=w2, port=1099,
url=service:jmx:rmi:///jndi/rmi://w2:1099/jmxrmi, cronExpression=null,
numQueryThreads=null]
[07 Jan 2015 17:55:58] [ServerScheduler_Worker-4] 180217 ERROR
(com.googlecode.jmxtrans.jobs.ServerJob:39) - Error
java.io.IOException: Failed to retrieve RMIServer stub:
javax.naming.ConfigurationException [Root exception is
java.rmi.UnknownHostException: Unknown host: w2; nested exception is:
        java.net.UnknownHostException: w2]
        at
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:369)
        at
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at
com.googlecode.jmxtrans.util.JmxUtils.getServerConnection(JmxUtils.java:351)
        at
com.googlecode.jmxtrans.util.JmxConnectionFactory.makeObject(JmxConnectionFactory.java:31)
        at
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:1212)
        at com.googlecode.jmxtrans.jobs.ServerJob.execute(ServerJob.java:36)
        at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
        at
org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
Caused by: javax.naming.ConfigurationException [Root exception is
java.rmi.UnknownHostException: Unknown host: w2; nested exception is:
        java.net.UnknownHostException: w2]
        at
com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:118)
        at
com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:203)
        at javax.naming.InitialContext.lookup(InitialContext.java:411)
        at
javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1929)
        at
javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1896)
        at
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:286)
        ... 7 more
Caused by: java.rmi.UnknownHostException: Unknown host: w2; nested
exception is:
        java.net.UnknownHostException: w2
        at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:616)
        at
sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
        at
sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
        at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:341)
        at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
        at
com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:114)
        ... 12 more
Caused by: java.net.UnknownHostException: w2
        at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:579)
        at java.net.Socket.connect(Socket.java:528)
        at java.net.Socket.<init>(Socket.java:425)
        at java.net.Socket.<init>(Socket.java:208)
        at
sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
        at
sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:147)
        at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
        ... 17 more

The graphite.json

 {
  "servers" : [ {
    "port" : "1099",
    "host" : "w2",
    "queries" : [ {
      "obj" : "java.lang:type=Memory",
      "attr" : [ "HeapMemoryUsage", "NonHeapMemoryUsage" ],
      "outputWriters" : [ {
        "@class" : "com.googlecode.jmxtrans.model.output.GraphiteWriter",
        "settings" : {
          "port" : 2003,
          "host" : "10.100.70.128"
        }
      } ]
    } ]
  } ]
}


Anyone help me to diagnose what this problem is?

thanks


-- 

Alec Li

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