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https://issues.apache.org/activemq/browse/CAMEL-1401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-1401.
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Resolution: Fixed
Trunk: Committed revision 748436.
1.x: Committed revision 748450.
> JaxbDataFormat is not thread-safe
> ---------------------------------
>
> Key: CAMEL-1401
> URL: https://issues.apache.org/activemq/browse/CAMEL-1401
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-jaxb
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Ivan S. Dubrov
> Assignee: Claus Ibsen
> Priority: Critical
> Fix For: 2.0.0, 1.6.1
>
>
> JaxbDataFormat reuses the Marshaller/Unmarshaller instances.
> However, according to the
> https://jaxb.dev.java.net/faq/index.html#threadSafety,
> Marshaller/Unmarshaller instances are NOT thread safe, so you can't use them
> from separate threads at the same time.
> Due to this we are getting exceptions from the JAXB implementation (like
> ClassCastException or "org.xml.sax.SAXException: FWK005 parse may not be
> called while parsing."). Everything works nice with our custom JaxbDataFormat
> that creates new Unmarshaller/Marshaller instance on every request.
> Also, lazy-creating instances (like JAXBContext) in getter methods is not
> thread-safe as well (because explicit synchronization is required).
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