Supervisor startup exception

[NeverLazyBoy <Ne...@126.com>]

Hi everyone,

I am a new learner on storm. Today when I try to start a storm supervisor, I got an exception like these,

java.lang.RuntimeException: java.io.EOFException
 at backtype.storm.utils.Utils.deserialize(Utils.java:93) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at backtype.storm.utils.LocalState.snapshot(LocalState.java:45) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at backtype.storm.utils.LocalState.get(LocalState.java:56) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at backtype.storm.daemon.supervisor$read_worker_heartbeat.invoke(supervisor.clj:77) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at backtype.storm.daemon.supervisor$read_worker_heartbeats$iter__6167__6171$fn__6172.invoke(supervisor.clj:90) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubati
ng]
 at clojure.lang.LazySeq.sval(LazySeq.java:42) ~[clojure-1.5.1.jar:na]
 at clojure.lang.LazySeq.seq(LazySeq.java:60) ~[clojure-1.5.1.jar:na]
 at clojure.lang.RT.seq(RT.java:484) ~[clojure-1.5.1.jar:na]
 at clojure.core$seq.invoke(core.clj:133) ~[clojure-1.5.1.jar:na]
 at clojure.core$dorun.invoke(core.clj:2780) ~[clojure-1.5.1.jar:na]
 at clojure.core$doall.invoke(core.clj:2796) ~[clojure-1.5.1.jar:na]
 at backtype.storm.daemon.supervisor$read_worker_heartbeats.invoke(supervisor.clj:89) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at backtype.storm.daemon.supervisor$read_allocated_workers.invoke(supervisor.clj:106) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at backtype.storm.daemon.supervisor$sync_processes.invoke(supervisor.clj:209) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at clojure.lang.AFn.applyToHelper(AFn.java:161) [clojure-1.5.1.jar:na]
 at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.5.1.jar:na]
 at clojure.core$apply.invoke(core.clj:619) ~[clojure-1.5.1.jar:na]
 at clojure.core$partial$fn__4190.doInvoke(core.clj:2396) ~[clojure-1.5.1.jar:na]
 at clojure.lang.RestFn.invoke(RestFn.java:397) ~[clojure-1.5.1.jar:na]
 at backtype.storm.event$event_manager$fn__2378.invoke(event.clj:39) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
 at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
Caused by: java.io.EOFException: null
 at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2325) ~[na:1.7.0_45]
 at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2794) ~[na:1.7.0_45]
 at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:801) ~[na:1.7.0_45]
 at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299) ~[na:1.7.0_45]
 at backtype.storm.utils.Utils.deserialize(Utils.java:88) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
 ... 21 common frames omitted

could anyone tell me what happens to the supervisor? Thanks so much !

Best regards !

>-----------------------------
Yours Sincerely,
Alex Stuart
>-----------------------------

School of Software, Sun Yat-sen University
Email:  neverlazyboy@126.com

>-----------------------------