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https://issues.apache.org/activemq/browse/CAMEL-1930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-1930:
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Assignee: Claus Ibsen
> Synchronized access to XPathExpression resulting in contention for multiple
> consumers
> -------------------------------------------------------------------------------------
>
> Key: CAMEL-1930
> URL: https://issues.apache.org/activemq/browse/CAMEL-1930
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.0-M3
> Environment: Java 1.6, Spring 2.5.6
> Reporter: Fabrice Delaporte
> Assignee: Claus Ibsen
> Fix For: 2.1.0
>
>
> Hi,
> I'm using Camel to do some JMS message routing. Messages are XML so xpath is
> a natural choice.
> However when using a choice with an xpath expression, the XPathBuilder
> creates one XPathExpression object. According to the specification, these
> objects are not thread safe so synchronizing looks natural. But then, using
> multiple jms consumers is totally useless since no concurrent evaluations can
> be made.
> XPathExpression objects would rather need to be stored in a ThreadLocal to
> avoid synchronization and contention.
> Cheers,
> Fabrice
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