Trying to get a SOAP call to work

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Sherry Koontz

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Feb 13, 2015, 11:38:53 AM2/13/15
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I combined two of the sample projects together the loan approval and get weather forecast.  I just want to get a soap call to work on the Camunda tasklist.  I am new to using Camunda do I have something setup wrong?  It errors out on the SOAP call to get the weather.  Any help would be great.  Thanks

Here is my loan-approval.bpmn file and below that is the log file from Apache tomcat running the Camunda tasklist.

<?xml version="1.0" encoding="UTF-8"?>

<bpmn2:definitions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bpmn2="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:camunda="http://activiti.org/bpmn" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xsi:schemaLocation="http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd" id="_5V2IcL4gEeOQo_IRkjDF6w" exporter="camunda modeler" exporterVersion="2.5.0" targetNamespace="http://activiti.org/bpmn">

<bpmn2:process id="approve-loan" name="Loan Approval" isExecutable="true">

<bpmn2:startEvent id="StartEvent_1" camunda:formKey="embedded:app:forms/request-loan.html" name="Loan Request&#xD;&#xA;Received">

<bpmn2:outgoing>SequenceFlow_1</bpmn2:outgoing>

</bpmn2:startEvent>

<bpmn2:userTask id="UserTask_1" camunda:assignee="john" camunda:formKey="embedded:app:forms/approve-loan.html" name="Approve&#xD;&#xA;Loan">

<bpmn2:incoming>SequenceFlow_1</bpmn2:incoming>

<bpmn2:outgoing>SequenceFlow_2</bpmn2:outgoing>

</bpmn2:userTask>

<bpmn2:sequenceFlow id="SequenceFlow_1" name="" sourceRef="StartEvent_1" targetRef="UserTask_1"/>

<bpmn2:sequenceFlow id="SequenceFlow_2" name="" sourceRef="UserTask_1" targetRef="ServiceTask_3"/>

<bpmn2:serviceTask id="ServiceTask_3" camunda:class="org.camunda.bpm.getstarted.loanapproval.ProcessRequestDelegate" name="Process&#xD;&#xA;Request">

<bpmn2:incoming>SequenceFlow_2</bpmn2:incoming>

<bpmn2:outgoing>SequenceFlow_3</bpmn2:outgoing>

</bpmn2:serviceTask>

<bpmn2:serviceTask id="ServiceTask_1" name="Get Weather Forecast (Soap)">

<bpmn2:extensionElements>

<camunda:connector>

<camunda:connectorId>soap-http-connector</camunda:connectorId>

<camunda:inputOutput>

<camunda:inputParameter name="url">http://www.webservicex.net/globalweather.asmx</camunda:inputParameter>

<camunda:inputParameter name="payload">

<camunda:script scriptFormat="freemarker" resource="soapEnvelope.ftl"/>

</camunda:inputParameter>

<camunda:inputParameter name="headers">

<camunda:map>

<camunda:entry key="Content-Type"><![CDATA[application/soap+xml;charset=UTF-8;action="http://www.webserviceX.NET/GetWeather"]]></camunda:entry>

</camunda:map>

</camunda:inputParameter>

<camunda:outputParameter name="forecast">

<![CDATA[

${S(response)

.childElement("Body")

.childElement("http://www.webserviceX.NET", "GetWeatherResponse")

.childElement("GetWeatherResult")

.textContent()}

]]>

</camunda:outputParameter>

</camunda:inputOutput>

</camunda:connector>

<camunda:inputOutput>

<camunda:outputParameter name="temperature">

<camunda:script scriptFormat="Javascript" resource="parseTemperature.js"/>

</camunda:outputParameter>

</camunda:inputOutput>

</bpmn2:extensionElements>

<bpmn2:incoming>SequenceFlow_3</bpmn2:incoming>

<bpmn2:outgoing>SequenceFlow_4</bpmn2:outgoing>

</bpmn2:serviceTask>

<bpmn2:sequenceFlow id="SequenceFlow_3" name="" sourceRef="ServiceTask_3" targetRef="ServiceTask_1"/>

<bpmn2:exclusiveGateway id="ExclusiveGateway_1">

<bpmn2:incoming>SequenceFlow_4</bpmn2:incoming>

<bpmn2:outgoing>SequenceFlow_8</bpmn2:outgoing>

<bpmn2:outgoing>SequenceFlow_9</bpmn2:outgoing>

</bpmn2:exclusiveGateway>

<bpmn2:sequenceFlow id="SequenceFlow_4" name="" sourceRef="ServiceTask_1" targetRef="ExclusiveGateway_1"/>

<bpmn2:userTask id="UserTask_3" name="Pack for cold weather">

<bpmn2:incoming>SequenceFlow_8</bpmn2:incoming>

<bpmn2:outgoing>SequenceFlow_6</bpmn2:outgoing>

</bpmn2:userTask>

<bpmn2:userTask id="UserTask_2" name="Pack for warm weather">

<bpmn2:incoming>SequenceFlow_9</bpmn2:incoming>

<bpmn2:outgoing>SequenceFlow_7</bpmn2:outgoing>

</bpmn2:userTask>

<bpmn2:endEvent id="EndEvent_1" name="Loan Request&#xD;&#xA;Approved">

<bpmn2:incoming>SequenceFlow_6</bpmn2:incoming>

</bpmn2:endEvent>

<bpmn2:sequenceFlow id="SequenceFlow_6" name="" sourceRef="UserTask_3" targetRef="EndEvent_1"/>

<bpmn2:endEvent id="EndEvent_2">

<bpmn2:incoming>SequenceFlow_7</bpmn2:incoming>

</bpmn2:endEvent>

<bpmn2:sequenceFlow id="SequenceFlow_7" name="" sourceRef="UserTask_2" targetRef="EndEvent_2"/>

<bpmn2:sequenceFlow id="SequenceFlow_8" name="temperature below 18" sourceRef="ExclusiveGateway_1" targetRef="UserTask_3">

<bpmn2:conditionExpression xsi:type="bpmn2:tFormalExpression" camunda:resource="${temperature &lt; 18}"/>

</bpmn2:sequenceFlow>

<bpmn2:sequenceFlow id="SequenceFlow_9" name="temperature above 18" sourceRef="ExclusiveGateway_1" targetRef="UserTask_2">

<bpmn2:conditionExpression xsi:type="bpmn2:tFormalExpression" camunda:resource="${temperature >= 18}"/>

</bpmn2:sequenceFlow>

</bpmn2:process>

<bpmndi:BPMNDiagram id="BPMNDiagram_1">

<bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="approve-loan">

<bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">

<dc:Bounds height="36.0" width="36.0" x="158.0" y="215.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNShape id="_BPMNShape_UserTask_2" bpmnElement="UserTask_1">

<dc:Bounds height="80.0" width="100.0" x="244.0" y="193.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_1" bpmnElement="SequenceFlow_1" sourceElement="_BPMNShape_StartEvent_2" targetElement="_BPMNShape_UserTask_2">

<di:waypoint xsi:type="dc:Point" x="194.0" y="233.0"/>

<di:waypoint xsi:type="dc:Point" x="244.0" y="233.0"/>

</bpmndi:BPMNEdge>

<bpmndi:BPMNShape id="_BPMNShape_EndEvent_2" bpmnElement="EndEvent_1">

<dc:Bounds height="36.0" width="36.0" x="881.0" y="324.0"/>

<bpmndi:BPMNLabel>

<dc:Bounds height="44.0" width="119.0" x="840.0" y="365.0"/>

</bpmndi:BPMNLabel>

</bpmndi:BPMNShape>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_2" bpmnElement="SequenceFlow_2" sourceElement="_BPMNShape_UserTask_2" targetElement="_BPMNShape_ServiceTask_4">

<di:waypoint xsi:type="dc:Point" x="344.0" y="233.0"/>

<di:waypoint xsi:type="dc:Point" x="385.0" y="233.0"/>

<bpmndi:BPMNLabel>

<dc:Bounds height="6.0" width="6.0" x="366.0" y="233.0"/>

</bpmndi:BPMNLabel>

</bpmndi:BPMNEdge>

<bpmndi:BPMNShape id="_BPMNShape_ServiceTask_4" bpmnElement="ServiceTask_3">

<dc:Bounds height="80.0" width="100.0" x="385.0" y="193.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNShape id="_BPMNShape_ServiceTask_5" bpmnElement="ServiceTask_1">

<dc:Bounds height="80.0" width="100.0" x="528.0" y="193.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_3" bpmnElement="SequenceFlow_3" sourceElement="_BPMNShape_ServiceTask_4" targetElement="_BPMNShape_ServiceTask_5">

<di:waypoint xsi:type="dc:Point" x="485.0" y="233.0"/>

<di:waypoint xsi:type="dc:Point" x="528.0" y="233.0"/>

</bpmndi:BPMNEdge>

<bpmndi:BPMNShape id="_BPMNShape_ExclusiveGateway_2" bpmnElement="ExclusiveGateway_1" isMarkerVisible="true">

<dc:Bounds height="50.0" width="50.0" x="678.0" y="208.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_4" bpmnElement="SequenceFlow_4" sourceElement="_BPMNShape_ServiceTask_5" targetElement="_BPMNShape_ExclusiveGateway_2">

<di:waypoint xsi:type="dc:Point" x="628.0" y="233.0"/>

<di:waypoint xsi:type="dc:Point" x="678.0" y="233.0"/>

</bpmndi:BPMNEdge>

<bpmndi:BPMNShape id="_BPMNShape_UserTask_3" bpmnElement="UserTask_2">

<dc:Bounds height="80.0" width="100.0" x="744.0" y="114.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNShape id="_BPMNShape_UserTask_4" bpmnElement="UserTask_3">

<dc:Bounds height="80.0" width="100.0" x="741.0" y="298.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_6" bpmnElement="SequenceFlow_6" sourceElement="_BPMNShape_UserTask_4" targetElement="_BPMNShape_EndEvent_2">

<di:waypoint xsi:type="dc:Point" x="841.0" y="338.0"/>

<di:waypoint xsi:type="dc:Point" x="861.0" y="338.0"/>

<di:waypoint xsi:type="dc:Point" x="861.0" y="342.0"/>

<di:waypoint xsi:type="dc:Point" x="881.0" y="342.0"/>

</bpmndi:BPMNEdge>

<bpmndi:BPMNShape id="_BPMNShape_EndEvent_3" bpmnElement="EndEvent_2">

<dc:Bounds height="36.0" width="36.0" x="894.0" y="136.0"/>

</bpmndi:BPMNShape>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_7" bpmnElement="SequenceFlow_7" sourceElement="_BPMNShape_UserTask_3" targetElement="_BPMNShape_EndEvent_3">

<di:waypoint xsi:type="dc:Point" x="844.0" y="154.0"/>

<di:waypoint xsi:type="dc:Point" x="894.0" y="154.0"/>

</bpmndi:BPMNEdge>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_8" bpmnElement="SequenceFlow_8" sourceElement="_BPMNShape_ExclusiveGateway_2" targetElement="_BPMNShape_UserTask_4">

<di:waypoint xsi:type="dc:Point" x="703.0" y="258.0"/>

<di:waypoint xsi:type="dc:Point" x="703.0" y="338.0"/>

<di:waypoint xsi:type="dc:Point" x="741.0" y="338.0"/>

<bpmndi:BPMNLabel>

<dc:Bounds height="25.0" width="162.0" x="568.0" y="354.0"/>

</bpmndi:BPMNLabel>

</bpmndi:BPMNEdge>

<bpmndi:BPMNEdge id="BPMNEdge_SequenceFlow_9" bpmnElement="SequenceFlow_9" sourceElement="_BPMNShape_ExclusiveGateway_2" targetElement="_BPMNShape_UserTask_3">

<di:waypoint xsi:type="dc:Point" x="703.0" y="208.0"/>

<di:waypoint xsi:type="dc:Point" x="703.0" y="154.0"/>

<di:waypoint xsi:type="dc:Point" x="744.0" y="154.0"/>

<bpmndi:BPMNLabel>

<dc:Bounds height="25.0" width="164.0" x="582.0" y="120.0"/>

</bpmndi:BPMNLabel>

</bpmndi:BPMNEdge>

</bpmndi:BPMNPlane>

</bpmndi:BPMNDiagram>

</bpmn2:definitions>


Below is from my logfile.


Feb 13, 2015 9:45:43 AM org.camunda.bpm.container.impl.RuntimeContainerDelegateImpl deployProcessApplication
INFO: Process Application Loan Approval App successfully deployed.
Feb 13, 2015 9:46:06 AM org.camunda.bpm.getstarted.loanapproval.ProcessRequestDelegate execute
INFO: Processing request by 'John'...
Feb 13, 2015 9:46:07 AM org.camunda.bpm.engine.impl.interceptor.CommandContext close
SEVERE: Error while closing command context
org.camunda.bpm.engine.ProcessEngineException: Exception while invoking connector Error while evaluating expression: ${S(response)
                    .childElement("Body")
                    .childElement("http://www.webserviceX.NET", "GetWeatherResponse")
                    .childElement("GetWeatherResult")
                    .textContent()}. Cause: Error invoking function 'S'
 at org.camunda.connect.plugin.impl.ServiceTaskConnectorActivityBehavior.execute(ServiceTaskConnectorActivityBehavior.java:58)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute.execute(PvmAtomicOperationActivityExecute.java:42)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute.execute(PvmAtomicOperationActivityExecute.java:27)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerStart.java:63)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerStart.java:26)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:65)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionCreateScope.execute(PvmAtomicOperationTransitionCreateScope.java:55)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionCreateScope.execute(PvmAtomicOperationTransitionCreateScope.java:24)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:76)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:31)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:61)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:31)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionDestroyScope.execute(PvmAtomicOperationTransitionDestroyScope.java:118)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionDestroyScope.execute(PvmAtomicOperationTransitionDestroyScope.java:27)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerEnd.java:36)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerEnd.java:23)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:65)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.take(PvmExecutionImpl.java:280)
 at org.camunda.bpm.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:101)
 at org.camunda.bpm.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:50)
 at org.camunda.bpm.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)
 at org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:46)
 at org.camunda.bpm.engine.impl.bpmn.behavior.ServiceTaskJavaDelegateActivityBehavior.execute(ServiceTaskJavaDelegateActivityBehavior.java:41)
 at org.camunda.bpm.engine.impl.bpmn.behavior.ClassDelegateActivityBehavior.execute(ClassDelegateActivityBehavior.java:63)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute.execute(PvmAtomicOperationActivityExecute.java:42)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityExecute.execute(PvmAtomicOperationActivityExecute.java:27)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerStart.java:63)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerStart.java:26)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:65)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionCreateScope.execute(PvmAtomicOperationTransitionCreateScope.java:55)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionCreateScope.execute(PvmAtomicOperationTransitionCreateScope.java:24)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:76)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:31)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:61)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerTake.execute(PvmAtomicOperationTransitionNotifyListenerTake.java:31)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionDestroyScope.execute(PvmAtomicOperationTransitionDestroyScope.java:118)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionDestroyScope.execute(PvmAtomicOperationTransitionDestroyScope.java:27)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerEnd.java:36)
 at org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(PvmAtomicOperationTransitionNotifyListenerEnd.java:23)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:65)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:429)
 at org.camunda.bpm.engine.impl.core.operation.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:58)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:129)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext$1.call(CommandContext.java:117)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext$1.call(CommandContext.java:115)
 at org.camunda.bpm.engine.impl.context.ProcessApplicationClassloaderInterceptor.call(ProcessApplicationClassloaderInterceptor.java:44)
 at org.camunda.bpm.application.AbstractProcessApplication.execute(AbstractProcessApplication.java:102)
 at org.camunda.bpm.engine.impl.context.Context.executeWithinProcessApplication(Context.java:193)
 at org.camunda.bpm.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:115)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:450)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:440)
 at org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:420)
 at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.take(PvmExecutionImpl.java:280)
 at org.camunda.bpm.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:101)
 at org.camunda.bpm.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:50)
 at org.camunda.bpm.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)
 at org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:46)
 at org.camunda.bpm.engine.impl.bpmn.behavior.UserTaskActivityBehavior.signal(UserTaskActivityBehavior.java:57)
 at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.signal(PvmExecutionImpl.java:262)
 at org.camunda.bpm.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:228)
 at org.camunda.bpm.engine.impl.cmd.SubmitTaskFormCmd.execute(SubmitTaskFormCmd.java:73)
 at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
 at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:97)
 at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:32)
 at org.camunda.bpm.engine.impl.FormServiceImpl.submitTaskForm(FormServiceImpl.java:86)
 at org.camunda.bpm.engine.rest.sub.task.impl.TaskResourceImpl.submit(TaskResourceImpl.java:101)
 at sun.reflect.GeneratedMethodAccessor549.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167)
 at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)
 at org.jboss.resteasy.core.ResourceLocator.invokeOnTargetObject(ResourceLocator.java:159)
 at org.jboss.resteasy.core.ResourceLocator.invoke(ResourceLocator.java:107)
 at org.jboss.resteasy.core.ResourceLocator.invokeOnTargetObject(ResourceLocator.java:154)
 at org.jboss.resteasy.core.ResourceLocator.invoke(ResourceLocator.java:92)
 at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542)
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524)
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126)
 at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:47)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.camunda.bpm.webapp.impl.security.filter.SecurityFilter.doFilterSecure(SecurityFilter.java:67)
 at org.camunda.bpm.webapp.impl.security.filter.SecurityFilter.doFilter(SecurityFilter.java:51)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter$1.execute(AuthenticationFilter.java:59)
 at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter$1.execute(AuthenticationFilter.java:56)
 at org.camunda.bpm.webapp.impl.security.SecurityActions.runWithAuthentications(SecurityActions.java:38)
 at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:56)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
 at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
 at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
Caused by: org.camunda.bpm.engine.ProcessEngineException: Error while evaluating expression: ${S(response)
                    .childElement("Body")
                    .childElement("http://www.webserviceX.NET", "GetWeatherResponse")
                    .childElement("GetWeatherResult")
                    .textContent()}. Cause: Error invoking function 'S'
 at org.camunda.bpm.engine.impl.el.JuelExpression.getValue(JuelExpression.java:59)
 at org.camunda.bpm.engine.impl.el.ElValueProvider.getValue(ElValueProvider.java:35)
 at org.camunda.bpm.engine.impl.core.variable.mapping.OutputParameter.execute(OutputParameter.java:45)
 at org.camunda.bpm.engine.impl.core.variable.mapping.IoParameter.execute(IoParameter.java:47)
 at org.camunda.bpm.engine.impl.core.variable.mapping.IoMapping.executeOutputParameters(IoMapping.java:41)
 at org.camunda.connect.plugin.impl.ServiceTaskConnectorActivityBehavior.applyOutputParameters(ServiceTaskConnectorActivityBehavior.java:83)
 at org.camunda.connect.plugin.impl.ServiceTaskConnectorActivityBehavior.execute(ServiceTaskConnectorActivityBehavior.java:56)
 ... 194 more
Caused by: org.camunda.bpm.engine.impl.javax.el.ELException: Error invoking function 'S'
 at org.camunda.bpm.engine.impl.juel.AstFunction.eval(AstFunction.java:121)
 at org.camunda.bpm.engine.impl.juel.AstMethod.invoke(AstMethod.java:79)
 at org.camunda.bpm.engine.impl.juel.AstMethod.eval(AstMethod.java:75)
 at org.camunda.bpm.engine.impl.juel.AstMethod.invoke(AstMethod.java:79)
 at org.camunda.bpm.engine.impl.juel.AstMethod.eval(AstMethod.java:75)
 at org.camunda.bpm.engine.impl.juel.AstMethod.invoke(AstMethod.java:79)
 at org.camunda.bpm.engine.impl.juel.AstMethod.eval(AstMethod.java:75)
 at org.camunda.bpm.engine.impl.juel.AstMethod.invoke(AstMethod.java:79)
 at org.camunda.bpm.engine.impl.juel.AstMethod.eval(AstMethod.java:75)
 at org.camunda.bpm.engine.impl.juel.AstEval.eval(AstEval.java:50)
 at org.camunda.bpm.engine.impl.juel.AstNode.getValue(AstNode.java:26)
 at org.camunda.bpm.engine.impl.juel.TreeValueExpression.getValue(TreeValueExpression.java:114)
 at org.camunda.bpm.engine.impl.delegate.ExpressionGetInvocation.invoke(ExpressionGetInvocation.java:33)
 at org.camunda.bpm.engine.impl.delegate.DelegateInvocation.proceed(DelegateInvocation.java:39)
 at org.camunda.bpm.engine.impl.delegate.DefaultDelegateInterceptor.handleInvocation(DefaultDelegateInterceptor.java:46)
 at org.camunda.bpm.engine.impl.el.JuelExpression.getValue(JuelExpression.java:50)
 ... 200 more
Caused by: org.camunda.spin.spi.SpinDataFormatException: SPIN-01004 No matching data format detected
 at org.camunda.spin.impl.logging.SpinCoreLogger.unrecognizableDataFormatException(SpinCoreLogger.java:55)
 at org.camunda.spin.impl.SpinFactoryImpl.createSpinFromReader(SpinFactoryImpl.java:127)
 at org.camunda.spin.impl.SpinFactoryImpl.createSpin(SpinFactoryImpl.java:50)
 at org.camunda.spin.impl.SpinFactoryImpl.createSpinFromString(SpinFactoryImpl.java:103)
 at org.camunda.spin.impl.SpinFactoryImpl.createSpin(SpinFactoryImpl.java:47)
 at org.camunda.spin.Spin.S(Spin.java:64)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.camunda.bpm.engine.impl.juel.AstFunction.invoke(AstFunction.java:110)
 at org.camunda.bpm.engine.impl.juel.AstFunction.eval(AstFunction.java:117)
 ... 215 more

thorben....@camunda.com

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Feb 16, 2015, 4:13:39 AM2/16/15
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Hi Sherry,

It appears Spin is not able to identify the response as XML. That can have multiple reasons:

1. The XML data format is not configured
2. Spin's data format detection does not work correctly
3. The response is not XML or JSON

I assume that it's not the third one.

Regarding 1:
How does your setup look like? Do you use the pre-configured Camunda distribution that you can download from www.camunda.org or did you install it into a plain Tomcat?

Regarding 2:
What happens when you change the expression in the connector output mapping from

<camunda:outputParameter name="forecast">

<![CDATA[

${S(response)

.childElement("Body")

.childElement("http://www.webserviceX.NET", "GetWeatherResponse")

.childElement("GetWeatherResult")

.textContent()}

]]>

</camunda:outputParameter>


to


<camunda:outputParameter name="forecast">

<![CDATA[

${XML(response)

.childElement("Body")

.childElement("http://www.webserviceX.NET", "GetWeatherResponse")

.childElement("GetWeatherResult")

.textContent()}

]]>

</camunda:outputParameter>


That means, you change the Spin invocation from S to XML. This tells Spin explicitly that the response is to be treated as XML.

Cheers,
Thorben
...

Sherry Koontz

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Feb 16, 2015, 9:00:54 AM2/16/15
to camunda-...@googlegroups.com
Thanks for responding! 

I used the tomcat from the Camunda website called camunda-bpm-tomcat 7.2.0. 
I changed the command from s to XML like you showed but I still get an error. 
I think there is something wrong with my pom.xml file I don't reference the camunda.cfg.xlm file.  I was looking at other webapps and they reference the file pom.xml.  Not sure how to add the file.

Thanks again for your help.

Sherrry

 



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pom.xml
catalina.2015-02-16.log

thorben....@camunda.com

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Feb 16, 2015, 11:45:14 AM2/16/15
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Hi Sherry,

It appears that this is not a problem with your setup but rather with the response content (cf the last lines of the stack trace).
Could you try to set the output parameter configuration to the following:

<camunda:outputParameter name="forecast">

<![CDATA[${response}]]>

</camunda:outputParameter>

This will put the raw response XML into the variable "forecast" and you can inspect its content, for example in a following Java delegate. Could you please post the content of the "forecast" variable in this case?

Thanks,
Thorben
...

Sherry Koontz

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Feb 16, 2015, 9:42:55 PM2/16/15
to camunda-bpm-users
I changed the code.  Here is part of the logfile.  Any help would be great.  Thanks so much.

Feb 16, 2015 9:39:23 PM org.camunda.bpm.getstarted.loanapproval.ProcessRequestDelegate execute
INFO: Processing request by 'Sally'...
Feb 16, 2015 9:39:45 PM org.camunda.bpm.engine.impl.interceptor.CommandContext close

SEVERE: Error while closing command context
org.camunda.bpm.engine.exception.NullValueException: No task found for taskId '2a736f56-b64e-11e4-9d10-34e6d71cafbb': task is null
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at org.camunda.bpm.engine.impl.util.EnsureUtil.generateException(EnsureUtil.java:283)
 at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull(EnsureUtil.java:44)
 at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull(EnsureUtil.java:39)
 at org.camunda.bpm.engine.impl.cmd.GetTaskFormCmd.execute(GetTaskFormCmd.java:44)
 at org.camunda.bpm.engine.impl.cmd.GetTaskFormCmd.execute(GetTaskFormCmd.java:30)

 at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
 at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:97)
 at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:32)
 at org.camunda.bpm.engine.impl.FormServiceImpl.getTaskFormData(FormServiceImpl.java:62)
 at org.camunda.bpm.engine.rest.sub.task.impl.TaskResourceImpl.getForm(TaskResourceImpl.java:156)
 at sun.reflect.GeneratedMethodAccessor436.invoke(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
Feb 16, 2015 9:39:45 PM org.camunda.bpm.engine.rest.exception.RestExceptionHandler toResponse
WARNING: org.camunda.bpm.engine.rest.exception.RestException: Cannot get form for task 2a736f56-b64e-11e4-9d10-34e6d71cafbb
 at org.camunda.bpm.engine.rest.sub.task.impl.TaskResourceImpl.getForm(TaskResourceImpl.java:158)
 at sun.reflect.GeneratedMethodAccessor436.invoke(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
Caused by: org.camunda.bpm.engine.exception.NullValueException: No task found for taskId '2a736f56-b64e-11e4-9d10-34e6d71cafbb': task is null
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at org.camunda.bpm.engine.impl.util.EnsureUtil.generateException(EnsureUtil.java:283)
 at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull(EnsureUtil.java:44)
 at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull(EnsureUtil.java:39)
 at org.camunda.bpm.engine.impl.cmd.GetTaskFormCmd.execute(GetTaskFormCmd.java:44)
 at org.camunda.bpm.engine.impl.cmd.GetTaskFormCmd.execute(GetTaskFormCmd.java:30)

 at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
 at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:97)
 at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:32)
 at org.camunda.bpm.engine.impl.FormServiceImpl.getTaskFormData(FormServiceImpl.java:62)
 at org.camunda.bpm.engine.rest.sub.task.impl.TaskResourceImpl.getForm(TaskResourceImpl.java:156)
 ... 49 more


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thorben....@camunda.com

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Feb 17, 2015, 3:56:50 AM2/17/15
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Hi Sherry,

The stack trace is unrelated to the connector service task. It simply means that you are trying to access a user task instance that does not exist (anymore). So I assume that the connector task was successful.
What do you see when you go into Cockpit and navigate to the process instance that made the request? Do you see a process variable "forecast" and what is its value?

Cheers,
Thorben

Sherry Koontz

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Feb 17, 2015, 8:09:05 AM2/17/15
to camunda-bpm-users
As soon as I hit complete.  I get the error:
An error happend while submitting the task form : cannot POST /camunda/api/engine/engine/default/task/4ab6a40d-b6a5-11e4-9d10-34e6d71cafbb/submit-form (500)

An error happend while submitting the task form : The task does not exist anymore

When I go to Cockpit I get the value "The server cannot service the request because the media type is unsupported."

Sherry

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Sherry Koontz

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Feb 17, 2015, 10:22:16 PM2/17/15
to camunda-bpm-users
Did you have any more ideas to try to see the value?  Thanks for you help.  I'm not sure what else to try.

Thanks
Sherry

Sebastian Menski

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Feb 18, 2015, 1:39:44 AM2/18/15
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Hi Sherry,

would it be possible to share your project on github or similar? 

Cheers,
Sebastian

Sherry Koontz

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Feb 18, 2015, 9:36:33 AM2/18/15
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I zipped the project.  It's just two sample project put together.  I just wanted to see a web server call work with Camunda.

Thanks
Sherry

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loan-approval.zip

Sebastian Menski

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Feb 19, 2015, 8:40:31 AM2/19/15
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Hi Sherry,

I had a look at your project. I attached a fixed version but please note that it currently doesn't work on Tomcat. This is because of a class loading problem of
spin in combination with script engines on the Tomcat server. So please use the jBoss camunda distribution for this project.

There were 3 things I had to fix:

1. The soap namespace in your request tmpl was wrong I changed it to:

2. As you request a temperature in Canada it is like to below zero and the regex in the parseTemperature.js expected a positive value so I changed it to:
var regex = /\((-?\d+) C\)/;

3. The conditions of the outgoing sequence flows of the gateway were defined as camunda:resource which is strange and wrong so I changed them to be normal expressions:
<bpmn2:sequenceFlow id="SequenceFlow_8" name="temperature below 18" sourceRef="ExclusiveGateway_1" targetRef="UserTask_3">

  <bpmn2:conditionExpression xsi:type="bpmn2:tFormalExpression"><![CDATA[${temperature < 18}]]></bpmn2:conditionExpression>

</bpmn2:sequenceFlow>
<bpmn2:sequenceFlow id="SequenceFlow_9" name="temperature above 18" sourceRef="ExclusiveGateway_1" targetRef="UserTask_2">

  <bpmn2:conditionExpression xsi:type="bpmn2:tFormalExpression"><![CDATA[${temperature >= 18}]]></bpmn2:conditionExpression>
</bpmn2:sequenceFlow>

Cheers,
Sebastian

loan-approval-fixed.zip

Sherry Koontz

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Feb 19, 2015, 10:16:24 AM2/19/15
to camunda-bpm-users
Thanks so much for the help!  I will try this today!

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sridhar akella

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Mar 2, 2016, 4:23:52 PM3/2/16
to camunda BPM users
Hi Sebastian,

I downloaded the attached project, and deployed on jboss. but still seiing the same issue.

I need an example which it calls an external webservice inside camunda

if possible please post on git hub

thanks,
Sridhar

Sebastian Menski

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Mar 3, 2016, 7:30:22 AM3/3/16
to camunda BPM users
Hi Sridhar,

did you had a look at the https://github.com/camunda/camunda-bpm-examples/tree/master/servicetask/soap-service examples? It uses a Camunda Connector
Task to send a SOAP request.

Cheers,
Sebastian
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