6:57 a.m.
I've just started to investigating the JBoss jBPM/BPEL piece (so please excuse me if
my use of the terminology is a little flaky) and I'm trying to adapt it to work with
the following complex message type (SWMSubmission):
| <types>
|
| <schema targetNamespace="urn:samples:swmessage"
xmlns="http://www.w3.org/2001/XMLSchema">
|
| <complexType name="SWMKeyValuePair">
| <sequence>
| <element name="swmName" type="xsd:string"
minOccurs="1" maxOccurs="1"/>
| <element name="swmValue" type="xsd:string"
minOccurs="1" maxOccurs="1"/>
| </sequence>
| </complexType>
|
| <complexType name="SWMSubmission">
| <sequence>
| <element name="swmEventName" type="xsd:string"
minOccurs="1" maxOccurs="1"/>
| <element name="swmEventData" type="typ:SWMKeyValuePair"
minOccurs="1" maxOccurs="unbounded"/>
| </sequence>
| </complexType>
|
| </schema>
|
| </types>
|
In my bpel process document I declare a variable:
| <variable name="swmSubmission"
messageType="swm:swmSubmission" />
|
and attempt to assign values to it:
| <assign name="fillSWMessage">
| <copy>
| <from variable="balanceChange"
part="customerName" />
| <to variable="swmSubmission"
part="body"
| query="/body/swmEventName" />
| </copy>
| <copy>
| <from variable="balanceChange"
part="customerName"/>
| <to variable="swmSubmission"
part="body"
| query="/body/swmEventData[1]/swmName" />
| </copy>
| <copy>
| <from variable="balanceChange"
part="customerName" />
| <to variable="swmSubmission" part="body"
| query="/body/swmEventData[1]/swmValue" />
| </copy>
| </assign>
|
When fully deployed and the service invoked I get an error. If I remove the parts of the
'assign' that access the (possible) multiple elements then everything works:
| <assign name="fillSWMessage">
| <copy>
| <from variable="balanceChange"
part="customerName" />
| <to variable="swmSubmission"
part="body"
| query="/body/swmEventName" />
| </copy>
| </assign>
|
so I'm assuming I've made some basic error in my use of this complex type
somewhere. The error I get is shown below:
| 2006-11-01 10:47:00,462 DEBUG [org.jboss.ws.server.ServiceEndpoint] Outgoing
SOAPMessage
| <env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'>
| <env:Header/>
| <env:Body>
| <env:Fault>
| <faultcode>env:Server</faultcode>
| <faultstring>The service is not in an appropiate state for the requested
operation</faultstring>
| </env:Fault>
| </env:Body>
| </env:Envelope>
| 2006-11-01 10:47:00,462 ERROR [org.jboss.ws.server.ServiceEndpoint] Cannot process
metrics
| java.lang.ClassCastException: org.jboss.ws.soap.SOAPBodyElementDoc
| at org.jboss.ws.soap.SOAPBodyImpl.getFault(SOAPBodyImpl.java:121)
| at org.jboss.ws.server.ServiceEndpoint.handleRequest(ServiceEndpoint.java:262)
| at
org.jboss.ws.server.ServiceEndpointServlet.doPost(ServiceEndpointServlet.java:120)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
| at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
| at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
| at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
| at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
| at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
| at
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| at java.lang.Thread.run(Thread.java:595)
|
|
but this seems to be the response to any kind of problem (in fact I get this error
intermittently using the tutorial as boxed).
I wasn't sure whether indexing of swmEventData should start at 0 or 1 so I tried them
both with no joy. Is there some sort of intialisation I should be doing? Any help would be
appreciated.
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