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Date: Wed, 5 Feb 2014 19:18:16 +0000 (UTC)
From: "Jethro Bakker (JIRA)" <jira@apache.org>
To: dev@storm.incubator.apache.org
Message-ID: <JIRA.12684801.1387098325818.43540.1391627896822@arcas>
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References: <JIRA.12684801.1387098325818@arcas>
Subject: [jira] [Commented] (STORM-173) use "-c " command to define Number
 config value will generate ClassCastException
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    [ https://issues.apache.org/jira/browse/STORM-173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13892447#comment-13892447 ] 

Jethro Bakker commented on STORM-173:
-------------------------------------

Robert, check the first comment of STORM-72 it contains a simple check for numbers.

> use "-c " command to define Number config value will generate ClassCastException
> --------------------------------------------------------------------------------
>
>                 Key: STORM-173
>                 URL: https://issues.apache.org/jira/browse/STORM-173
>             Project: Apache Storm (Incubating)
>          Issue Type: Bug
>            Reporter: caofangkun
>            Priority: Minor
>
> storm -c topology.workers=3 -c storm.zookeeper.root=/storm/cluster001 jar ./storm-starter-0.0.1-SNAPSHOT.jar storm.starter.WordCountTopology2 WordCountTopology2
> Will generate SerConf like this :
> Submitting topology WordCountTopology2 in distributed mode with conf {"storm.zookeeper.root":"\/storm\/cluster001","topology.workers":"3","topology.debug":true}
> but "topology.workers":"3" is wrong and should be "topology.workers":3
> And can find errors in $STOMR_HOME/logs/nimbus.log as following:
> 2013-12-10 11:18:44 o.a.t.s.TNonblockingServer [ERROR] Unexpected exception while invoking!
> java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Number
> at backtype.storm.thrift$mk_plain_component_common.doInvoke(thrift.clj:93) ~[storm-core-0.9.0-rc2.jar:na]
> at clojure.lang.RestFn.invoke(RestFn.java:494) ~[clojure-1.4.0.jar:na]
> at backtype.storm.thrift$mk_bolt_spec_STAR_.doInvoke(thrift.clj:158) ~[storm-core-0.9.0-rc2.jar:na]
> at clojure.lang.RestFn.invoke(RestFn.java:573) ~[clojure-1.4.0.jar:na]
> at backtype.storm.daemon.common$add_acker_BANG_.invoke(common.clj:183) ~[storm-core-0.9.0-rc2.jar:na]
> at backtype.storm.daemon.common$system_topology_BANG_.invoke(common.clj:280) ~[storm-core-0.9.0-rc2.jar:na]
> at backtype.storm.daemon.nimbus$fn__5822$exec_fn__1273__auto__$reify__5835.submitTopologyWithOpts(nimbus.clj:931) ~[storm-core-0.9.0-rc2.jar:na]
> at backtype.storm.daemon.nimbus$fn__5822$exec_fn__1273__auto__$reify__5835.submitTopology(nimbus.clj:949) ~[storm-core-0.9.0-rc2.jar:na]
> at backtype.storm.generated.Nimbus$Processor$submitTopology.getResult(Nimbus.java:1223) ~[storm-core-0.9.0-rc2.jar:na]
> at backtype.storm.generated.Nimbus$Processor$submitTopology.getResult(Nimbus.java:1211) ~[storm-core-0.9.0-rc2.jar:na]
> at org.apache.thrift7.ProcessFunction.process(ProcessFunction.java:32) ~[libthrift7-0.7.0-2.jar:0.7.0-2]
> at org.apache.thrift7.TBaseProcessor.process(TBaseProcessor.java:34) ~[libthrift7-0.7.0-2.jar:0.7.0-2]
> at org.apache.thrift7.server.TNonblockingServer$FrameBuffer.invoke(TNonblockingServer.java:632) ~[libthrift7-0.7.0-2.jar:0.7.0-2]
> at org.apache.thrift7.server.THsHaServer$Invocation.run(THsHaServer.java:201) [libthrift7-0.7.0-2.jar:0.7.0-2]
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [na:1.6.0_37]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [na:1.6.0_37]
> at java.lang.Thread.run(Thread.java:662) [na:1.6.0_37]


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