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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CAMEL-715) ConcurrentModificationException in ThreadProcessor
Date Mon, 14 Jul 2008 13:18:00 GMT

    [ https://issues.apache.org/activemq/browse/CAMEL-715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44265#action_44265
] 

Claus Ibsen commented on CAMEL-715:
-----------------------------------

Hi

Could you attach your sample that doesn't work on your system.

I have tried to create an unit test that demonstrates the bug but I runs fine here.

> ConcurrentModificationException in ThreadProcessor
> --------------------------------------------------
>
>                 Key: CAMEL-715
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-715
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core
>            Reporter: Wojciech Durczynski
>            Priority: Critical
>             Fix For: 1.4.0
>
>
> When defining very simple routing with ThreadProcessor I get ConcurrentModificationException
on multicore systems.
> Example:
>  from("direct:a").thread(10).process(new Processor() {
>           @Override
>           public void process(Exchange ex) throws Exception {
>             //sth
>           }
> });
> Stack trace:
> Exception in thread "Thread Processor"
> java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> 	at java.util.HashMap$EntryIterator.next(HashMap.java:834)
> 	at java.util.HashMap$EntryIterator.next(HashMap.java:832)
> 	at java.util.HashMap.putAll(HashMap.java:523)
> 	at
> org.apache.camel.processor.Pipeline.createNextExchange(Pipeline.java:146
> )
> 	at org.apache.camel.processor.Pipeline$1.done(Pipeline.java:123)
> 	at
> org.apache.camel.processor.ThreadProcessor$ProcessCall.run(ThreadProcess
> or.j
> ava:66)
> 	at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecuto
> r.ja
> va:885)
> 	at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja
> va:9
> 07)
> 	at java.lang.Thread.run(Thread.java:619)

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