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From "Sriram Chavali (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CXF-852) Array responses containing XmlAttribute cause exception in jettison
Date Wed, 29 Aug 2007 23:48:30 GMT

    [ https://issues.apache.org/jira/browse/CXF-852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12523735
] 

Sriram Chavali commented on CXF-852:
------------------------------------

I have also  ran into this issue. It happens when the # of nodes to be marshalled is >
1. If it is 1, then there is no problem. Issue seems to be in org.codehaus.jettison.mapped.MappedXMLStreamWriter

Is there a separate tracker for the Jettison project?

> Array responses containing XmlAttribute cause exception in jettison
> -------------------------------------------------------------------
>
>                 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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