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Facing an error while using service task for web service
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created by <a href="https://community.jboss.org/people/snowstormuser">snowstorm tech</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/795331#795331">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am facing an error while execuation of the example from this link.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p><a class="jive-link-external-small" href="https://github.com/mswiderski/jbpm-examples/blob/master/jbpm-ws-sample/" rel="nofollow" target="_blank">https://github.com/mswiderski/jbpm-examples/blob/master/jbpm-ws-sample/</a></p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>here i'm provding the <strong>bpmn file</strong>, <strong>java code</strong> and <strong>error</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The web service that i used is:-<strong><br/></strong></p><blockquote class="jive-quote"><p><span style="font-family: 'Lucida Grande', Arial, Helvetica, sans-serif; background-color: #ffffff;"><a class="jive-link-external-small" href="http://schemas.xmlsoap.org/wsdl/" rel="nofollow" target="_blank">http://schemas.xmlsoap.org/wsdl/</a><span>" location="</span><a class="jive-link-external-small" href="http://wsf.cdyne.com/WeatherWS/Weather.asmx?WSDL" rel="nofollow" target="_blank">http://wsf.cdyne.com/WeatherWS/Weather.asmx?WSDL</a><span>" namespace="</span><a class="jive-link-external-small" href="http://ws.cdyne.com/WeatherWS/" rel="nofollow" target="_blank">http://ws.cdyne.com/WeatherWS/</a></span></p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And i also used the class which are genrated for the webservice above specified in my project class path.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>bpmn file:-</strong></p><p><strong><br/></strong></p><blockquote class="jive-quote"><p><?xml version="1.0" encoding="UTF-8"?> </p><p><definitions id="Definition"</p><p><span>             targetNamespace="</span><a class="jive-link-external-small" href="http://www.example.org/MinimalExample" rel="nofollow" target="_blank">http://www.example.org/MinimalExample</a><span>"</span></p><p><span>             typeLanguage="</span><a class="jive-link-external-small" href="http://www.java.com/javaTypes" rel="nofollow" target="_blank">http://www.java.com/javaTypes</a><span>"</span></p><p><span>             expressionLanguage="</span><a class="jive-link-external-small" href="http://www.mvel.org/2.0" rel="nofollow" target="_blank">http://www.mvel.org/2.0</a><span>"</span></p><p><span>             xmlns="</span><a class="jive-link-external-small" href="http://www.omg.org/spec/BPMN/20100524/MODEL" rel="nofollow" target="_blank">http://www.omg.org/spec/BPMN/20100524/MODEL</a><span>"</span></p><p><span>             xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"</span></p><p><span>             xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://www.omg.org/spec/BPMN/20100524/MODEL" rel="nofollow" target="_blank">http://www.omg.org/spec/BPMN/20100524/MODEL</a><span> BPMN20.xsd"</span></p><p><span>             xmlns:g="</span><a class="jive-link-external-small" href="http://www.jboss.org/drools/flow/gpd" rel="nofollow" target="_blank">http://www.jboss.org/drools/flow/gpd</a><span>"</span></p><p><span>             xmlns:bpmndi="</span><a class="jive-link-external-small" href="http://www.omg.org/spec/BPMN/20100524/DI" rel="nofollow" target="_blank">http://www.omg.org/spec/BPMN/20100524/DI</a><span>"</span></p><p><span>             xmlns:dc="</span><a class="jive-link-external-small" href="http://www.omg.org/spec/DD/20100524/DC" rel="nofollow" target="_blank">http://www.omg.org/spec/DD/20100524/DC</a><span>"</span></p><p><span>             xmlns:di="</span><a class="jive-link-external-small" href="http://www.omg.org/spec/DD/20100524/DI" rel="nofollow" target="_blank">http://www.omg.org/spec/DD/20100524/DI</a><span>"</span></p><p><span>             xmlns:tns="</span><a class="jive-link-external-small" href="http://www.jboss.org/drools" rel="nofollow" target="_blank">http://www.jboss.org/drools</a><span>"></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span>  <import importType="</span><a class="jive-link-external-small" href="http://schemas.xmlsoap.org/wsdl/" rel="nofollow" target="_blank">http://schemas.xmlsoap.org/wsdl/</a><span>" location="</span><a class="jive-link-external-small" href="http://wsf.cdyne.com/WeatherWS/Weather.asmx?WSDL" rel="nofollow" target="_blank">http://wsf.cdyne.com/WeatherWS/Weather.asmx?WSDL</a><span>" namespace="</span><a class="jive-link-external-small" href="http://ws.cdyne.com/WeatherWS/" rel="nofollow" target="_blank">http://ws.cdyne.com/WeatherWS/</a><span>"/></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_sItem"/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_listItem" structureRef="java.util.Collection"/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_listItemOut" structureRef="java.util.Collection"/></p><p>  <itemDefinition id="_map" structureRef="java.util.Map"/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_2-2-4-itemItem" /></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_5-listItem" /></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_2_multiInstanceItemType" /></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_2_multiInstanceItemOutType"/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <itemDefinition id="_2-2-4_InMessageType" /></p><p>  <message id="_2-2-4_InMessage" itemRef="_2-2-4_InMessageType" /></p><p>  <interface id="_2-2-4_ServiceInterface" name="" implementationRef="WeatherSoap"></p><p>    <operation id="_2-2-4_ServiceOperation" implementationRef="GetCityWeatherByZIP" name=""></p><p>      <inMessageRef>_2-2-4_InMessage</inMessageRef></p><p>    </operation></p><p>  </interface></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <process processType="Private" isExecutable="true" id="WeatherWSServiceProcess" name="WeatherWSServiceProcess" tns:packageName="defaultPackage"></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- process variables --></p><p>    <property id="list" itemSubjectRef="_listItem"/></p><p>    <property id="listOut" itemSubjectRef="_listItemOut"/></p><p>    <property id="mode" itemSubjectRef="_sItem"/></p><p>    <property id="map" itemSubjectRef="_map"/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- nodes --></p><p>    <startEvent id="_1" name="StartProcess" ></p><p>    </startEvent></p><p><span>     <scriptTask id="_21" name="Prepare input" scriptFormat="</span><a class="jive-link-external-small" href="http://www.java.com/java" rel="nofollow" target="_blank">http://www.java.com/java</a><span>" ></span></p><p>      <script></p><p>      System.out.println("Get zip code result is " + map);</p><p>      list =  new java.util.ArrayList(map.values());</p><p>      list.remove("Complete");</p><p>      listOut =  new java.util.ArrayList();</p><p>      kcontext.setVariable("list", list);</p><p>      kcontext.setVariable("listOut", listOut);</p><p>     </script></p><p>    </scriptTask></p><p>    <serviceTask id="_2" name="Get weather forecast" operationRef="_2-2-4_ServiceOperation" implementation="##WebService" ></p><p>    <extensionElements></p><p><span>        <tns:onEntry-script scriptFormat="</span><a class="jive-link-external-small" href="http://www.java.com/java" rel="nofollow" target="_blank">http://www.java.com/java</a><span>"></span></p><p>          <script>System.out.println("WS1");</script></p><p>        </tns:onEntry-script></p><p>        <tns:onExit-script></p><p>          <script>System.out.println("WS2");</script></p><p>        </tns:onExit-script></p><p>      </extensionElements></p><p>      <ioSpecification></p><p>        <dataInput id="_2-2-4_param" name="Parameter" /></p><p>        <dataInput id="DataInput_1" name="mode"/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        <dataInput id="_2_listInput" name="list"/></p><p>        <dataOutput id="_2_listOutOutput" name="listOut"/></p><p>        <dataOutput id="_2-2-4_result" name="Result" /></p><p>        <inputSet></p><p>          <dataInputRefs>_2-2-4_param</dataInputRefs></p><p>          <dataInputRefs>DataInput_1</dataInputRefs></p><p>        </inputSet></p><p>        <outputSet></p><p>          <dataOutputRefs>_2_listOutOutput</dataOutputRefs></p><p>        </outputSet></p><p>      </ioSpecification></p><p>       <dataInputAssociation></p><p>        <targetRef>_2-2-4_param</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression">#{item}</from></p><p>          <to xsi:type="tFormalExpression">_2-2-4_param</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <sourceRef>mode</sourceRef></p><p>        <targetRef>DataInput_1</targetRef></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation id="DataInputAssociation_1"></p><p>        <sourceRef>list</sourceRef></p><p>        <targetRef>_2_listInput</targetRef></p><p>      </dataInputAssociation></p><p>      <dataOutputAssociation></p><p>        <sourceRef>_2-2-4_result</sourceRef></p><p>        <targetRef>itemOut</targetRef></p><p>      </dataOutputAssociation></p><p>      <multiInstanceLoopCharacteristics></p><p>        <loopDataInputRef>_2_input</loopDataInputRef></p><p>        <loopDataOutputRef>_2_listOutOutput</loopDataOutputRef></p><p>        <inputDataItem id="item" itemSubjectRef="_2_multiInstanceItemType"/></p><p>        <outputDataItem id="itemOut" itemSubjectRef="_2_multiInstanceItemOutType"/></p><p>      </multiInstanceLoopCharacteristics></p><p>    </serviceTask></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <scriptTask id="_3" name="Log result" ></p><p>      <script>System.out.println("Service result " + listOut);</script></p><p>    </scriptTask></p><p>    <endEvent id="_4" name="EndProcess" ></p><p>        <terminateEventDefinition/></p><p>    </endEvent></p><p>    <userTask id="_5" name="Get zip codes" ></p><p>                    <ioSpecification></p><p>        <dataInput id="_2_CommentInput" name="Comment" /></p><p>        <dataInput id="_2_SkippableInput" name="Skippable" /></p><p>        <dataInput id="_2_TaskNameInput" name="TaskName" /></p><p>        <dataInput id="_2_GroupIdInput" name="GroupId" /></p><p>        <dataInput id="_2_PriorityInput" name="Priority" /></p><p>        <dataOutput id="_2_ResultOutput" name="Result" /></p><p>        <inputSet></p><p>          <dataInputRefs>_2_CommentInput</dataInputRefs></p><p>          <dataInputRefs>_2_SkippableInput</dataInputRefs></p><p>          <dataInputRefs>_2_TaskNameInput</dataInputRefs></p><p>          <dataInputRefs>_2_GroupIdInput</dataInputRefs></p><p>          <dataInputRefs>_2_PriorityInput</dataInputRefs></p><p>        </inputSet></p><p>        <outputSet></p><p>          <dataOutputRefs>_2_ResultOutput</dataOutputRefs></p><p>        </outputSet></p><p>      </ioSpecification></p><p>      <dataInputAssociation></p><p>        <targetRef>_2_CommentInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression"></from></p><p>          <to xsi:type="tFormalExpression">_2_CommentInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_2_SkippableInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression">false</from></p><p>          <to xsi:type="tFormalExpression">_2_SkippableInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_2_TaskNameInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression">firstTask</from></p><p>          <to xsi:type="tFormalExpression">_2_TaskNameInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_2_GroupIdInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression"></from></p><p>          <to xsi:type="tFormalExpression">_2_GroupIdInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_2_PriorityInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression"></from></p><p>          <to xsi:type="tFormalExpression">_2_PriorityInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataOutputAssociation></p><p>        <sourceRef>_2_ResultOutput</sourceRef></p><p>        <targetRef>map</targetRef></p><p>      </dataOutputAssociation></p><p>      <potentialOwner></p><p>        <resourceAssignmentExpression></p><p>          <formalExpression>john</formalExpression></p><p>        </resourceAssignmentExpression></p><p>      </potentialOwner></p><p>    </userTask></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <userTask id="_6" name="Show forecast" ></p><p>      <ioSpecification></p><p>        <dataInput id="_4_outputInput" name="output" /></p><p>        <dataInput id="_4_CommentInput" name="Comment" /></p><p>        <dataInput id="_4_SkippableInput" name="Skippable" /></p><p>        <dataInput id="_4_TaskNameInput" name="TaskName" /></p><p>        <dataInput id="_4_GroupIdInput" name="GroupId" /></p><p>        <dataInput id="_4_PriorityInput" name="Priority" /></p><p>        <inputSet></p><p>          <dataInputRefs>_4_outputInput</dataInputRefs></p><p>          <dataInputRefs>_4_CommentInput</dataInputRefs></p><p>          <dataInputRefs>_4_SkippableInput</dataInputRefs></p><p>          <dataInputRefs>_4_TaskNameInput</dataInputRefs></p><p>          <dataInputRefs>_4_GroupIdInput</dataInputRefs></p><p>          <dataInputRefs>_4_PriorityInput</dataInputRefs></p><p>        </inputSet></p><p>        <outputSet></p><p>        </outputSet></p><p>      </ioSpecification></p><p>      <dataInputAssociation></p><p>        <sourceRef>listOut</sourceRef></p><p>        <targetRef>_4_outputInput</targetRef></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_4_CommentInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression"></from></p><p>          <to xsi:type="tFormalExpression">_4_CommentInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_4_SkippableInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression">false</from></p><p>          <to xsi:type="tFormalExpression">_4_SkippableInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_4_TaskNameInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression">secondTask</from></p><p>          <to xsi:type="tFormalExpression">_4_TaskNameInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_4_GroupIdInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression"></from></p><p>          <to xsi:type="tFormalExpression">_4_GroupIdInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <dataInputAssociation></p><p>        <targetRef>_4_PriorityInput</targetRef></p><p>        <assignment></p><p>          <from xsi:type="tFormalExpression"></from></p><p>          <to xsi:type="tFormalExpression">_4_PriorityInput</to></p><p>        </assignment></p><p>      </dataInputAssociation></p><p>      <potentialOwner></p><p>        <resourceAssignmentExpression></p><p>          <formalExpression>john</formalExpression></p><p>        </resourceAssignmentExpression></p><p>      </potentialOwner></p><p>    </userTask></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- connections --></p><p>    <sequenceFlow id="_21-_2" sourceRef="_21" targetRef="_2" /></p><p>    <sequenceFlow id="_2-_3" sourceRef="_2" targetRef="_3" /></p><p>    <sequenceFlow id="_3-_6" sourceRef="_3" targetRef="_6" /></p><p>    <sequenceFlow id="_1-_5" sourceRef="_1" targetRef="_5" /></p><p>    <sequenceFlow id="_5-_21" sourceRef="_5" targetRef="_21" /></p><p>    <sequenceFlow id="_6-_4" sourceRef="_6" targetRef="_4" /></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  </process></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <bpmndi:BPMNDiagram></p><p>    <bpmndi:BPMNPlane bpmnElement="WeatherWSServiceProcess" ></p><p>      <bpmndi:BPMNShape bpmnElement="_1" ></p><p>        <dc:Bounds x="16" y="67" width="48" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_2" ></p><p>        <dc:Bounds x="228" y="16" width="200" height="150" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_21" ></p><p>        <dc:Bounds x="128" y="26" width="200" height="150" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_3" ></p><p>        <dc:Bounds x="460" y="67" width="92" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_4" ></p><p>        <dc:Bounds x="584" y="67" width="48" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_5" ></p><p>        <dc:Bounds x="96" y="67" width="100" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_6" ></p><p>        <dc:Bounds x="96" y="67" width="140" height="148" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNEdge bpmnElement="_21-_2" ></p><p>        <di:waypoint x="140" y="50" /></p><p>        <di:waypoint x="144" y="117" /></p><p>      </bpmndi:BPMNEdge></p><p>      <bpmndi:BPMNEdge bpmnElement="_2-_3" ></p><p>        <di:waypoint x="42" y="49" /></p><p>        <di:waypoint x="140" y="50" /></p><p>      </bpmndi:BPMNEdge></p><p>      <bpmndi:BPMNEdge bpmnElement="_3-_6" ></p><p>        <di:waypoint x="146" y="91" /></p><p>        <di:waypoint x="328" y="91" /></p><p>      </bpmndi:BPMNEdge></p><p>      <bpmndi:BPMNEdge bpmnElement="_1-_5" ></p><p>        <di:waypoint x="328" y="91" /></p><p>        <di:waypoint x="506" y="91" /></p><p>      </bpmndi:BPMNEdge></p><p>      <bpmndi:BPMNEdge bpmnElement="_5-_21" ></p><p>        <di:waypoint x="506" y="91" /></p><p>        <di:waypoint x="608" y="91" /></p><p>      </bpmndi:BPMNEdge></p><p>      <bpmndi:BPMNEdge bpmnElement="_6-_4" ></p><p>        <di:waypoint x="40" y="91" /></p><p>        <di:waypoint x="146" y="91" /></p><p>      </bpmndi:BPMNEdge></p><p>    </bpmndi:BPMNPlane></p><p>  </bpmndi:BPMNDiagram></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p></definitions></p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Java code:-</strong></p><p><strong><br/></strong></p><blockquote class="jive-quote"><p>import java.util.*;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import javax.xml.ws.Endpoint;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import org.drools.KnowledgeBase;</p><p>import org.drools.builder.KnowledgeBuilder;</p><p>import org.drools.builder.KnowledgeBuilderFactory;</p><p>import org.drools.builder.ResourceType;</p><p>import org.drools.definition.process.Connection;</p><p>import org.drools.definition.process.Node;</p><p>import org.drools.io.ResourceFactory;</p><p>import org.drools.runtime.StatefulKnowledgeSession;</p><p>import org.drools.runtime.process.NodeInstance;</p><p>import org.drools.runtime.process.WorkItem;</p><p>import org.drools.runtime.process.WorkItemHandler;</p><p>import org.drools.runtime.process.WorkItemManager;</p><p>import org.jbpm.bpmn2.handler.ServiceTaskHandler;</p><p>import org.jbpm.process.instance.ProcessInstance;</p><p>import org.jbpm.process.workitem.wsht.CommandBasedWSHumanTaskHandler;</p><p>import org.jbpm.task.service.TaskClientHandler;</p><p>import org.jbpm.workflow.core.node.HumanTaskNode;</p><p>import org.jbpm.workflow.instance.WorkflowProcessInstance;</p><p>import org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class ProcessMain {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          public static void main(String[] args) throws Exception {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                        KnowledgeBase kbase = readKnowledgeBase();</p><p>                        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p>            TestWorkItemHandler htHandler = new TestWorkItemHandler();</p><p>                  ksession.getWorkItemManager().registerWorkItemHandler("Service Task", new ServiceTaskHandler());</p><p>                  ksession.getWorkItemManager().registerWorkItemHandler("Human Task", htHandler);</p><p>                  Map<String, Object> params = new HashMap<String, Object>();</p><p>                  params.put("mode", "async");</p><p>                  WorkflowProcessInstance processInstance = (WorkflowProcessInstance) ksession.startProcess("WeatherWSServiceProcess", params);</p><p>                  params = new HashMap<String, Object>();</p><p>                  params.put("r1", "14025");</p><p>                  HashMap<String, Object> results = new HashMap<String, Object>();</p><p>                  results.put("Result", params);</p><p>                  ksession.getWorkItemManager().completeWorkItem(htHandler.getWorkItem().getId(), results);</p><p>                  Thread.sleep(5000);</p><p>                              ksession.getWorkItemManager().completeWorkItem(htHandler.getWorkItem().getId(), null);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          }</p><p>           static class TestWorkItemHandler implements WorkItemHandler {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              private static TestWorkItemHandler INSTANCE = new TestWorkItemHandler();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              private WorkItem workItem;</p><p>                              private WorkItem aborted;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              public static TestWorkItemHandler getInstance() {</p><p>                                        return INSTANCE;</p><p>                              }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {</p><p>                                        this.workItem = workItem;</p><p>                              }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {</p><p>                                        this.aborted = workItem;</p><p>                              }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              public WorkItem getWorkItem() {</p><p>                                        WorkItem result = workItem;</p><p>                                        workItem = null;</p><p>                                        return result;</p><p>                              }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                              public WorkItem getAbortedWorkItem() {</p><p>                                        WorkItem result = aborted;</p><p>                                        aborted = null;</p><p>                                        return result;</p><p>                              }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>                    }</p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Error:-</strong></p><p><strong><br/></strong></p><blockquote class="jive-quote"><p>Get zip code result is {r1=14025}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>java.lang.ClassNotFoundException: </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></blockquote></div>
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