[CXF-2329] NullPointerException in JAXBEncoderDecoder when marshalling a null Array

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.2
• Fix Version/s: 2.1.6, 2.2.3
• Component/s: JAXB Databinding
• Estimated Complexity: Novice
• Assignee: Unassigned
• Reporter: Kaleb Walton
• Created: 01/Jul/09 17:39
• Updated: 03/Aug/09 20:07
• Resolved: 02/Jul/09 16:45

Description

I have an Exception object that includes an array that is initialized to null. When the JAXBEncoderDecoder is going to encode it, it encounters an NPE as follows:

WARNING: Exception occurred while writing fault.
org.apache.cxf.interceptor.Fault: Marshalling Error: null
at org.apache.cxf.jaxb.JAXBEncoderDecoder.marshallException(JAXBEncoderDecoder.java:294)
at org.apache.cxf.jaxb.io.DataWriterImpl.write(DataWriterImpl.java:162)
at org.apache.cxf.interceptor.FaultOutInterceptor.handleMessage(FaultOutInterceptor.java:78)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
at org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:96)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:284)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:89)
at org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:302)
at org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:265)
at org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:722)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:842)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)
Caused by: java.lang.NullPointerException
at org.apache.cxf.jaxb.JAXBEncoderDecoder.writeArrayObject(JAXBEncoderDecoder.java:313)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.marshallException(JAXBEncoderDecoder.java:283)
... 20 more

It seems like a simple null check could fix this one...