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Zookeeper >> mail # user >> OOM/no more threads?


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Re: OOM/no more threads?
It's not really out of memory. It's "unable to create new native thread". It appears to have to do with JMX (notice the RMI).

-JZ

On Jul 8, 2012, at 7:43 PM, Camille Fournier wrote:

> Not known specifically that I know of. Can you give us more details? Did
> you actually run out of memory? File descriptors? What does a heap dump
> tell you?
>
> C
>
> On Sun, Jul 8, 2012 at 10:29 PM, Jordan Zimmerman <
> [EMAIL PROTECTED]> wrote:
>
>> Is this a known issue in 3.3.3? If so, is it fixed in 3.3.5?
>>
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: WARNING: RMI TCP
>> Accept-0: accept loop for ServerSocket[addr>> 0.0.0.0/0.0.0.0,port=0,localport=59462] throws
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: Jul 8, 2012 11:01:28
>> PM sun.rmi.transport.tcp.TCPTransport$AcceptLoop executeAcceptLoop
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> java.lang.Thread.run(Thread.java:636)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:359)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:402)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1336)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:943)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> java.lang.Thread.start(Thread.java:614)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>> java.lang.Thread.start0(Native Method)
>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server:
>> java.lang.OutOfMemoryError: unable to create new native thread
>>
>>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB