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Sporadic NPEs thrown while parsing Camel Spring configuration during server startup [message #938994]

Wed, 10 October 2012 10:31

Srinivasan Iyer

Messages: 36
Registered: October 2011

Member

In a Stardust 7.0.1 RAD environment with Tomcat 6.0 on server startup a NPE is seen sopradically. The output looks as follows:

10:17:51 ERROR [main      ] ContextLoader             - Context initialization failed
org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/config/ipp/spring/camel-context.xml]; nested exception is java.lang.NullPointerException
                at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412)
                at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
                at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)

Quite often (~70% of the cases), the exception disappears after cleaning up both the project and the server. Sometimes, however, even this doesn't help so that the user is required to close/reopen the project and delete/recreate the server.

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Re: Sporadic NPEs thrown while parsing Camel Spring configuration during server startup [message #938997 is a reply to message #938994]

Wed, 10 October 2012 10:35

Srinivasan Iyer

Messages: 36
Registered: October 2011

Member

This issue is apparently caused by a JAXB bug that has already been identified and fixed. More details are available at:
http://camel.465427.n5.nabble.com/null-pointer-exception-td5537826.html

Replacing the jaxb-impl.jar jar in the Stardust web application with a more recent one (2.2.5 or later as per JAXB ticket information) should resolve the issue.

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