I apologize if this is obvious. I'm sort of jumping back in to the
thick of things without much warmup.
It seems like what I am doing is fairly straight-forward, but I am
getting a ClassCast on the server side after my server method returns,
so I am having a hard time diagnosing.
I am trying to return a complex object that includes a Long "key" and a
collection of "Event" objects. Returning the array of Event objects
worked just fine. Switching to the compound return object is proving
more difficult than I would have imagined.
Relevant bits extracted from their respective files are:
from the WSDL:
<complexType name="PhaseQueryReturnType">
<sequence>
<element name="key" type="long" minOccurs="0"
nillable="true"/>
<element name="event" type="ws:EventType"
minOccurs="0" maxOccurs="unbounded"/>
</sequence>
</complexType>
<element name="phasePickQueryResponse"> // ouput message of
the phasePickQuery service operation
<complexType>
<sequence>
<element type="phase:PhaseQueryReturnType"
minOccurs="0" name="response" />
</sequence>
</complexType>
</element>
from the binding file:
<mapping type-name="phase:PhaseQueryReturnType"
class="edu.iris.ws.phasepick.PhasePickQueryReturn" abstract="true" >
<value name="key" field="iteratorKey" usage="optional" />
<collection field="events" item-type="edu.iris.ws.core.Event" />
</mapping>
I don't know what else would be helpful to see. The various other bits
are scattered around in numerous other xsd and binding files, which all
worked prior to my jigging with it. It seems like I must be doing
something wrong with the collection definition. I've tried having the
PhaseQueryReturn type contain the Events as an ArrayList or simply as
Event[].
Previously, the phasePickQueryResponse element simply contained the
array of ws:EventType elements, and the service operation returned
edu.iris.ws.core.Event[];
I managed at least to get a stack dump out of Axis2:
2007-07-30 16:28:26,893 ERROR AxisServlet.doPost.157 -
java.lang.ClassCastException: edu.iris.ws.core.Event
java.lang.ClassCastException: edu.iris.ws.core.Event
at edu.iris.ws.base.JiBX_MungeAdapter.JiBX_binding_marshal_1_7()
at
edu.iris.ws.phasepick.PhasePickQueryReturn.JiBX_binding_marshal_1_0(Unknown
Source)
at
edu.iris.ws.phasepick.JiBX_bindingPhasePickQueryReturn_access.marshal()
at org.apache.axis2.jibx.JiBXDataSource.marshal(JiBXDataSource.java:131)
at
org.apache.axis2.jibx.JiBXDataSource.serialize(JiBXDataSource.java:177)
at
org.apache.axiom.om.impl.llom.OMSourcedElementImpl.internalSerializeAndConsume(OMSourcedElementImpl.java:583)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:779)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:808)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:779)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:808)
at
org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.serializeInternally(SOAPEnvelopeImpl.java:234)
at
org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.internalSerialize(SOAPEnvelopeImpl.java:222)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(OMElementImpl.java:808)
at
org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeImpl.java:418)
at
org.apache.axis2.transport.http.SOAPMessageFormatter.writeTo(SOAPMessageFormatter.java:55)
at
org.apache.axis2.transport.http.CommonsHTTPTransportSender.sendUsingOutputStream(CommonsHTTPTransportSender.java:275)
at
org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:203)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:452)
at
org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:48)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:144)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:279)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:116)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
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:613)
Thoughts? Pointers? Ideas?
thanks,
Linus
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