當storm服務非正常終止（如關機沒關虛擬機，或機器斷電）時，下次再啓動storm時會報如下錯誤
2015-03-28 02:26:08 b.s.d.supervisor [INFO] Starting supervisor with id 7466cd48-9ca2-4957-844c-c03fa1ce7ca9 at host storm1
2015-03-28 02:26:08 b.s.event [ERROR] Error when processing event
java.lang.RuntimeException: java.io.EOFException
at backtype.storm.utils.Utils.deserialize(Utils.java:86) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at backtype.storm.utils.LocalState.snapshot(LocalState.java:45) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at backtype.storm.utils.LocalState.get(LocalState.java:56) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at backtype.storm.daemon.supervisor$sync_processes.invoke(supervisor.clj:207) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at clojure.lang.AFn.applyToHelper(AFn.java:161) [clojure-1.4.0.jar:na]
at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.4.0.jar:na]
at clojure.core$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__2593.invoke(event.clj:39) ~[na:na]
at clojure.lang.AFn.run(AFn.java:24) [clojure-1.4.0.jar:na]
at java.lang.Thread.run(Thread.java:722) [na:1.7.0_21]
Caused by: java.io.EOFException: null
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2323) ~[na:1.7.0_21]
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2792) ~[na:1.7.0_21]
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:799) ~[na:1.7.0_21]
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299) ~[na:1.7.0_21]
at backtype.storm.utils.Utils.deserialize(Utils.java:81) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
... 11 common frames omitted
2015-03-28 02:26:08 b.s.event [ERROR] Error when processing event
java.lang.RuntimeException: java.io.EOFException
at backtype.storm.utils.Utils.deserialize(Utils.java:86) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at backtype.storm.utils.LocalState.snapshot(LocalState.java:45) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at backtype.storm.utils.LocalState.get(LocalState.java:56) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
at backtype.storm.daemon.supervisor$mk_synchronize_supervisor$this__5005.invoke(supervisor.clj:307) ~[na:na]
at backtype.storm.event$event_manager$fn__2593.invoke(event.clj:39) ~[na:na]
at clojure.lang.AFn.run(AFn.java:24) [clojure-1.4.0.jar:na]
at java.lang.Thread.run(Thread.java:722) [na:1.7.0_21]
Caused by: java.io.EOFException: null
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2323) ~[na:1.7.0_21]
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2792) ~[na:1.7.0_21]
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:799) ~[na:1.7.0_21]
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299) ~[na:1.7.0_21]
at backtype.storm.utils.Utils.deserialize(Utils.java:81) ~[storm-core-0.9.1-incubating.jar:0.9.1-incubating]
... 6 common frames omitted
2015-03-28 02:26:08 b.s.util [INFO] Halting process: ("Error when processing an event")解決辦法：
刪除storm.local.dir: "/opt/storm/data"目錄下的Supervisor和workers，這兩個目錄，然後重啓動。