wrote a simple bpel code:
<?xml version="1.0" encoding="UTF-8"?>
<process name="review" targetNamespace="urn:author"
xmlns:urn="urn:author"
xmlns:rev="urn:reviewer"
xmlns:bpel="http://schemas.xmlsoap.org/ws/2003/03/business-process/";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://schemas.xmlsoap.org/ws/2003/03/business-process/
http://schemas.xmlsoap.org/ws/2003/03/business-process/";
xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/";>
<!-- realizes the abstract relationship with the caller -->
<!-- realizes the relationship with the reviewer1 -->
<!-- holds the incoming message -->
<!-- holds the outgoing message -->
<!-- receive a message carrying the name of a person -->
<!-- reply with a message carrying the greeting -->
the corresponding wsdl is as follows:
<?xml version="1.0" encoding="UTF-8"?>
<definitions targetNamespace="urn:author"
xmlns:urn="urn:author"
xmlns:rev="urn:reviewer"
xmlns="http://schemas.xmlsoap.org/wsdl/";
xmlns:xsd="http://www.w3.org/2001/XMLSchema";
xmlns:plt="http://schemas.xmlsoap.org/ws/2003/05/partner-link/";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
<!-- characterizes the relationship between the process and its caller -->
<plt:partnerLinkType name="callerPLT">
<plt:role name="service">
<plt:portType name="urn:callerPT"/>
</plt:role>
</plt:partnerLinkType>
<plt:partnerLinkType name="reviewPLT">
<plt:role name="review">
<plt:portType name="rev:Reviewer"/>
</plt:role>
</plt:partnerLinkType>
<!-- describes the interface presented to callers-->
the rev.wsdl of the external web service used is as follows:
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="urn:reviewer"
xmlns:apachesoap="http://xml.apache.org/xml-soap";
xmlns:impl="urn:reviewer"
xmlns:intf="urn:reviewer"
xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/";
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/";
xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/";
xmlns:xsd="http://www.w3.org/2001/XMLSchema";>
<wsdl:types>
<xsd:schema elementFormDefault="qualified" targetNamespace="urn:reviewer">
<xsd:element name="reviewRequest">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="name" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="reviewResponse">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:int"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</wsdl:types>
<wsdl:message name="reviewResponse">
<wsdl:part name="output" element="impl:reviewResponse"/>
</wsdl:message>
<wsdl:message name="reviewRequest">
<wsdl:part name="in0" element="impl:reviewRequest"/>
</wsdl:message>
<wsdl:portType name="Reviewer">
<wsdl:operation name="reviewRequest" parameterOrder="in0">
<wsdl:input message="impl:reviewRequest" name="reviewRequest"/>
<wsdl:output message="impl:reviewResponse" name="reviewResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="reviewerSoapBinding" type="impl:Reviewer">
<wsdlsoap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="reviewRequest">
<wsdlsoap:operation soapAction=""/>
<wsdl:input name="reviewRequest">
<wsdlsoap:body use="literal"/>
<!--encodingStyle="http://schemas.xmlsoap.org/soap/encoding/";
namespace="urn:reviewer" -->
</wsdl:input>
<wsdl:output name="reviewResponse">
<wsdlsoap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="ReviewerService">
<wsdl:port binding="impl:reviewerSoapBinding" name="reviewer">
<wsdlsoap:address location="http://localhost:8080/reviewer/reviewer"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
in the "binding.xml" generated after generate-artifacts, the style has been
changed to document/literal. the web-service involved also supports doc/lit
format.
the bpel process gets deployed. using wsdl2Java, the client is generated. i get
the following error:
2006-08-21 12:05:32,093 ERROR
[org.jboss.webservice.handler.HandlerChainBaseImpl] RuntimeException in request
handler
java.lang.NullPointerException
at
org.jbpm.bpel.service.provider.PortProvider.getRequestParts(PortProvider.java:363)
at
org.jbpm.bpel.service.provider.PortProvider.sendRequest(PortProvider.java:316)
at
org.jbpm.bpel.service.provider.PortProvider.handleRequest(PortProvider.java:202)
at
org.jboss.webservice.handler.HandlerWrapper.handleRequest(HandlerWrapper.java:106)
at
org.jboss.webservice.handler.HandlerChainBaseImpl.handleRequest(HandlerChainBaseImpl.java:216)
at
org.jboss.webservice.handler.ServerHandlerChain.handleRequest(ServerHandlerChain.java:52)
at
org.jboss.webservice.server.InvokerProviderJSE.invokeTarget(InvokerProviderJSE.java:74)
at
org.jboss.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:121)
at
org.jboss.axis.providers.java.JavaProvider.invoke(JavaProvider.java:358)
at
org.jboss.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:73)
at org.jboss.axis.SimpleChain.doVisiting(SimpleChain.java:160)
at org.jboss.axis.SimpleChain.invoke(SimpleChain.java:123)
at org.jboss.axis.handlers.soap.SOAPService.invoke(SOAPService.java:560)
at
org.jboss.webservice.server.ServerEngine.invokeInternal(ServerEngine.java:200)
at org.jboss.webservice.server.ServerEngine.invoke(ServerEngine.java:89)
at
org.jboss.axis.transport.http.AxisServlet.doPost(AxisServlet.java:911)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.jboss.axis.transport.http.AxisServletBase.service(AxisServletBase.java:370)
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:81)
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.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
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:856)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
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)
can somebody please help out with this problem??
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