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Posted to user@storm.apache.org by Bishnu Patro <Bi...@symantec.com> on 2014/08/08 11:05:21 UTC

Error in Supervisor : Error when processing event java.lang.RuntimeException: java.io.EOFException

Hi,

I am getting following error in the supervisor logs for storm- 0.9.0.1 :

2014-08-08 04:32:42 b.s.d.supervisor [INFO] Starting supervisor with id 15eb83b6-a5ab-4f13-b783-06a8dbe0b2a2 at host localhost.localdomain
2014-08-08 04:32:43 b.s.event [ERROR] Error when processing event
java.lang.RuntimeException: java.io.EOFException
                at backtype.storm.utils.Utils.deserialize(Utils.java:69) ~[storm-core-0.9.0.1.jar:na]
                at backtype.storm.utils.LocalState.snapshot(LocalState.java:28) ~[storm-core-0.9.0.1.jar:na]
                at backtype.storm.utils.LocalState.get(LocalState.java:39) ~[storm-core-0.9.0.1.jar:na]
                at backtype.storm.daemon.supervisor$sync_processes.invoke(supervisor.clj:187) ~[storm-core-0.9.0.1.jar:na]
                at clojure.lang.AFn.applyToHelper(AFn.java:161) [clojure-1.4.0.jar:na]
                at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.4.0.jar:na]
                at clojure.core$apply.invoke(core.clj:603) ~[clojure-1.4.0.jar:na]
                at clojure.core$partial$fn__4070.doInvoke(core.clj:2343) ~[clojure-1.4.0.jar:na]
                at clojure.lang.RestFn.invoke(RestFn.java:397) ~[clojure-1.4.0.jar:na]
                at backtype.storm.event$event_manager$fn__3072.invoke(event.clj:24) ~[storm-core-0.9.0.1.jar:na]
                at clojure.lang.AFn.run(AFn.java:24) [clojure-1.4.0.jar:na]
                at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
Caused by: java.io.EOFException: null
                at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2325) ~[na:1.7.0_51]
                at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2794) ~[na:1.7.0_51]
                at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:801) ~[na:1.7.0_51]
                at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299) ~[na:1.7.0_51]
                at backtype.storm.utils.Utils.deserialize(Utils.java:64) ~[storm-core-0.9.0.1.jar:na]
                ... 11 common frames omitted
2014-08-08 04:32:43 b.s.util [INFO] Halting process: ("Error when processing an event")

I stopped storm processes, cleared the storm and zookeeper data directories, and it was fine (after we loaded the topologies again).

But I want to know, the root cause for this error. Since  this issue might come in production systems.

Thanks in advance

Bishnu