Array responses containing XmlAttribute cause exception in jettison
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Key: CXF-852
URL: https://issues.apache.org/jira/browse/CXF-852
Project: CXF
Issue Type: Bug
Components: Core
Affects Versions: 2.0
Environment: Windows XP, Java 1.5
Reporter: Derek Shaw
When outputing lists of elements to JSON with an interface such as:
@Get
@HttpResource(location =
"/media/objects/{containerID}/{startIndex}/{endIndex}")
public List<Media> getMediaObjectList( @WebParam(name = "containerID")
int containerID,
@WebParam(name = "startIndex") int startIndex,
@WebParam(name = "endIndex") int endIndex)
throws MediaFault;
If the object within the array contains an XmlAttribute annotation on one of
its properties an exception is thrown in Jettison when retrieving the json
response. Note that the XML response works as expected. The problem seems to be
located at writeAttribute() in MappedXMLStreamWriter. The code attempts to cast
a JSONArray to a JSONObject. Looks like perhaps there needs to be an instance
of check as there is in other locations. Or that it is prematurely attempting
to output the attribute before pulling the underlying object out of the Array,
though this is just a guess....
The workaround for me is to change the @XmlAttribute on the contained object to
an @XmlElement.
Here is the exception:
org.apache.cxf.interceptor.Fault: Marshalling Error:
org.codehaus.jettison.json.JSONArray
at
org.apache.cxf.jaxb.JAXBEncoderDecoder.marshall(JAXBEncoderDecoder.java:155)
at org.apache.cxf.jaxb.io.DataWriterImpl.write(DataWriterImpl.java:40)
at
org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor.writeParts(AbstractOutDatabindingInterceptor.java:98)
at
org.apache.cxf.interceptor.BareOutInterceptor.handleMessage(BareOutInterceptor.java:67)
at
org.apache.cxf.binding.xml.interceptor.XMLMessageOutInterceptor.handleMessage(XMLMessageOutInterceptor.java:71)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:206)
at
org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:73)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:206)
at
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:67)
at
org.apache.cxf.transport.servlet.ServletDestination.doMessage(ServletDestination.java:100)
at
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:224)
at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:103)
at
org.apache.cxf.transport.servlet.CXFServlet.invoke(CXFServlet.java:261)
at
org.apache.cxf.transport.servlet.CXFServlet.doGet(CXFServlet.java:243)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.ClassCastException: org.codehaus.jettison.json.JSONArray
at
org.codehaus.jettison.mapped.MappedXMLStreamWriter.writeAttribute(MappedXMLStreamWriter.java:93)
at
org.codehaus.jettison.mapped.MappedXMLStreamWriter.writeAttribute(MappedXMLStreamWriter.java:130)
at
org.codehaus.jettison.mapped.MappedXMLStreamWriter.writeAttribute(MappedXMLStreamWriter.java:134)
at
com.sun.xml.bind.v2.runtime.output.XMLStreamWriterOutput.attribute(XMLStreamWriterOutput.java:88)
at
com.sun.xml.bind.v2.runtime.output.XmlOutputAbstractImpl.attribute(XmlOutputAbstractImpl.java:70)
at
com.sun.xml.bind.v2.runtime.XMLSerializer.attribute(XMLSerializer.java:413)
at
com.sun.xml.bind.v2.runtime.property.AttributeProperty.serializeAttributes(AttributeProperty.java:63)
at
com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeAttributes(ClassBeanInfoImpl.java:295)
at
com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:617)
at
com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.serializeItem(ArrayElementNodeProperty.java:29)
at
com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.serializeListBody(ArrayElementProperty.java:132)
at
com.sun.xml.bind.v2.runtime.property.ArrayERProperty.serializeBody(ArrayERProperty.java:101)
at
com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:286)
at
com.sun.xml.bind.v2.runtime.XMLSerializer.childAsSoleContent(XMLSerializer.java:532)
at
com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeRoot(ClassBeanInfoImpl.java:276)
at
com.sun.xml.bind.v2.runtime.XMLSerializer.childAsRoot(XMLSerializer.java:461)
at
com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:292)
at
com.sun.xml.bind.v2.runtime.MarshallerImpl.marshal(MarshallerImpl.java:148)
at
org.apache.cxf.jaxb.JAXBEncoderDecoder.marshall(JAXBEncoderDecoder.java:138)
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