"Block already consumed" error in JAXWS services
------------------------------------------------
Key: AXIS2-4417
URL: https://issues.apache.org/jira/browse/AXIS2-4417
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Components: jaxws
Reporter: Isuru Eranga Suriarachchi
Attachments: axis2-jaxws-sample-src.zip, axis2-jaxws-sample.jar
I'm attaching my sample jaxws service and its source code.
In JAXWS services, body and header parts are kept as
org.apache.axis2.jaxws.message.impl.BlockImpl objects. These message blocks are
read before invoking the service and all are set as "consumed".
But in this sample service, I want to access Reference Parameters and I've done
that using the following line.
List<Element> referenceParam = (List<Element>)
context.getMessageContext().get(MessageContext.REFERENCE_PARAMETERS);
And also this service is expecting a header which is called "TestHeader" and it
is already consumed when the execution comes into the service. But above access
to reference parameters calls the getXMLStreamReader of the BlockInmpl object
of the header block. As it is already consumed, it gives the following
exception.
Caused by: javax.xml.ws.WebServiceException: An internal error occurred. The
org.apache.axis2.jaxws.message.databinding.impl.JAXBBlockImpl block object is
already consumed. Processing cannot continue. Run with the debug option to
determine where the block was first consumed.
at
org.apache.axis2.jaxws.ExceptionFactory.createWebServiceException(ExceptionFactory.java:173)
at
org.apache.axis2.jaxws.ExceptionFactory.makeWebServiceException(ExceptionFactory.java:70)
at
org.apache.axis2.jaxws.ExceptionFactory.makeWebServiceException(ExceptionFactory.java:118)
at
org.apache.axis2.jaxws.message.impl.BlockImpl.getXMLStreamReader(BlockImpl.java:229)
at
org.apache.axis2.jaxws.message.impl.BlockImpl.getReader(BlockImpl.java:256)
at
org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getDirectReader(OMSourcedElementImpl.java:226)
at
org.apache.axiom.om.impl.llom.OMSourcedElementImpl.forceExpand(OMSourcedElementImpl.java:255)
at
org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getAttribute(OMSourcedElementImpl.java:412)
at
org.apache.axis2.jaxws.addressing.util.ReferenceParameterList.initialize(ReferenceParameterList.java:96)
at
org.apache.axis2.jaxws.addressing.util.ReferenceParameterList.size(ReferenceParameterList.java:74)
at java.util.AbstractList$Itr.hasNext(AbstractList.java:339)
at
org.axis2.jaxws.sample.TestServiceImpl.newOperation(TestServiceImpl.java:27)
So how can I access the reference parameters in the service?
Thanks,
~Isuru
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