Andy,
Sorry for the late reply. Here is the stack trace:
2014-03-04 20:24:14 b.s.m.TransportFactory [INFO] Storm peer transport
plugin:backtype.storm.messaging.netty.Context
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [2]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
2014-03-04 20:24:14 b.s.d.worker [ERROR] Error on initialization of
server mk-worker
org.jboss.netty.channel.ChannelException: Failed to create a selector.
at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:337)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.(AbstractNioSelector.java:95)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.AbstractNioWorker.(AbstractNioWorker.java:51)
~[netty-3.6.3.Final.jar:na]
at org.jboss.netty.channel.socket.nio.NioWorker.(NioWorker.java:45)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:45)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:28)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.newWorker(AbstractNioWorkerPool.java:99)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:69)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.NioWorkerPool.(NioWorkerPool.java:39)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.NioWorkerPool.(NioWorkerPool.java:33)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.(NioClientSocketChannelFactory.java:152)
~[netty-3.6.3.Final.jar:na]
at
org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.(NioClientSocketChannelFactory.java:134)
~[netty-3.6.3.Final.jar:na]
at backtype.storm.messaging.netty.Client.(Client.java:54)
~[storm-netty-0.9.0.1.jar:na]
at backtype.storm.messaging.netty.Context.connect(Context.java:36)
~[storm-netty-0.9.0.1.jar:na]
at
backtype.storm.daemon.worker$mk_refresh_connections$this__5827$iter__5834__5838$fn__5839.invoke(worker.clj:250)
~[storm-core-0.9.0.1.jar:na]
at clojure.lang.LazySeq.sval(LazySeq.java:42) ~[clojure-1.4.0.jar:na]
at clojure.lang.LazySeq.seq(LazySeq.java:60) ~[clojure-1.4.0.jar:na]
at clojure.lang.Cons.next(Cons.java:39) ~[clojure-1.4.0.jar:na]
at clojure.lang.RT.next(RT.java:587) ~[clojure-1.4.0.jar:na]
at clojure.core$next.invoke(core.clj:64) ~[clojure-1.4.0.jar:na]
at clojure.core$dorun.invoke(core.clj:2726) ~[clojure-1.4.0.jar:na]
at clojure.core$doall.invoke(core.clj:2741) ~[clojure-1.4.0.jar:na]
at
backtype.storm.daemon.worker$mk_refresh_connections$this__5827.invoke(worker.clj:244)
~[storm-core-0.9.0.1.jar:na]
at
backtype.storm.daemon.worker$fn__5882$exec_fn__1229__auto____5883.invoke(worker.clj:357)
~[storm-core-0.9.0.1.jar:na]
at clojure.lang.AFn.applyToHelper(AFn.java:185) [clojure-1.4.0.jar:na]
at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.4.0.jar:na]
at clojure.core$apply.invoke(core.clj:601) ~[clojure-1.4.0.jar:na]
at
backtype.storm.daemon.worker$fn__5882$mk_worker__5938.doInvoke(worker.clj:329)
[storm-core-0.9.0.1.jar:na]
at clojure.lang.RestFn.invoke(RestFn.java:512) [clojure-1.4.0.jar:na]
at backtype.storm.daemon.worker$_main.invoke(worker.clj:439)
[storm-core-0.9.0.1.jar:na]
at clojure.lang.AFn.applyToHelper(AFn.java:172) [clojure-1.4.0.jar:na]
at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.4.0.jar:na]
at backtype.storm.daemon.worker.main(Unknown Source)
[storm-core-0.9.0.1.jar:na]
* Caused by: java.io.IOException: Too many open files*
at sun.nio.ch.IOUtil.initPipe(Native Method) ~[na:1.6.0_38]
at sun.nio.ch.EPollSelectorImpl.(EPollSelectorImpl.java:49)
~[na:1.6.0_38]
at
sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:18)
~[na:1.6.0_38]
at java.nio.channels.Selector.open(Selector.java:209) ~[na:1.6.0_38]
at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:335)
~[netty-3.6.3.Final.jar:na]
... 32 common frames omitted
2014-03-04 20:24:14 b.s.util [INFO] Halting process: ("Error on
initialization")
--------------------------------------------------------------------------------------------------------------------
Regards
2014-03-12 3:25 GMT+08:00 Andrew Feng <[email protected]>:
> Gavin:
>
> In our production, we have seen situation that Netty implementation uses
> too many threads.
> It uses a dedicated thread for each remote bolt worker. We have a fix to
> avoid that problem.
>
>
> Our problem could be different, since we did not face
> too-many-file-descriptor issue.
> Can you post the stack trace?
>
> Andy
>
> On 3/5/14 1:26 AM, "李家宏" <[email protected]> wrote:
>
> >Also, the topology works fine on storm cluster of 0.9.0.1 with zmq as
> >message transport layer.
> >I guess netty must be the problem.
> >
> >Regards
> >
> >
> >2014-03-05 10:56 GMT+08:00 李家宏 <[email protected]>:
> >
> >> Hi, all
> >> I'm running a topology on storm cluster of 0.9.0.1 with netty as
> >>transport
> >> layer, this error occurs :
> >> Netty client failed to create a selector due to* too many open files
> >> exception*, the worker continuously halting with initialization error.
> >>
> >> I checked the ulimit -n(> 130000) which is much bigger than currently
> >> opened fds (sudo lsof | grep java | wc -l) which is about 6000 at most.
> >>
> >> By the way,this topology works fine with storm cluster of 0.8.0.
> >>
> >> What's the problem?
> >>
> >> Thanks
> >>
> >> --
> >>
> >> ======================================================
> >>
> >> Gvain
> >>
> >> Email: [email protected]
> >>
> >
> >
> >
> >--
> >
> >======================================================
> >
> >Gvain
> >
> >Email: [email protected]
>
>
--
======================================================
Gvain
Email: [email protected]
