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Re: How to use Email service in JBPM 5.x?
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created by <a href="https://community.jboss.org/people/shahdhaval2020">Dhaval Shah</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/793190#793190">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hey i used the same code as u had written but i am getting this error what does this mean????</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>i have used email service task in process design .....i.e., start node -> email service task -> end node..</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>can u plz help me out </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>===============================  MyProcessmain.java=======================================</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>package com.sample;</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.io.ResourceFactory;</p><p>import org.drools.runtime.StatefulKnowledgeSession;</p><p>import org.jbpm.process.workitem.email.EmailWorkItemHandler;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>/**</p><p> * This is a sample file to launch a process.</p><p> */</p><p>public class ProcessMain {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          public static final void main(String[] args) throws Exception {</p><p>//                    // load up the knowledge base</p><p>//                    KnowledgeBase kbase = readKnowledgeBase();</p><p>//                    StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p>//                    // start a new process instance</p><p>  </p><p>//                    ksession.startProcess("com.sample.bpmn.hello");</p><p>  </p><p>                    KnowledgeBase kbase = readKnowledgeBase();</p><p>              StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>              EmailWorkItemHandler emailHandler = new EmailWorkItemHandler();</p><p><span>              emailHandler.setConnection("smtp.gmail.com", "587", "</span><a class="jive-link-email-small" href="mailto:shahdhaval2020@gmail.com" rel="nofollow" target="_blank">shahdhaval2020@gmail.com</a><span>", "com!@#$%");</span></p><p>              emailHandler.getConnection().setStartTls(true);</p><p>              ksession.getWorkItemManager().registerWorkItemHandler("Email", emailHandler);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>              // start a new process instance</p><p>              ksession.startProcess("com.sample.bpmn.hello");</p><p>  </p><p>          }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          private static KnowledgeBase readKnowledgeBase() throws Exception {</p><p>                    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();</p><p>                    kbuilder.add(ResourceFactory.newClassPathResource("sample.bpmn"), ResourceType.BPMN2);</p><p>                    return kbuilder.newKnowledgeBase();</p><p>          }</p><p>  </p><p>           // load up the knowledge base</p><p>    </p><p>  </p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>=========================sample.bpmn=============================================</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><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.jboss.org/drools" rel="nofollow" target="_blank">http://www.jboss.org/drools</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 style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <process processType="Private" isExecutable="true" id="com.sample.bpmn.hello" name="Hello World" ></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>    <endEvent id="_3" name="EndProcess" ></p><p>        <terminateEventDefinition/></p><p>    </endEvent></p><p>    <task id="_4" name="Email" tns:taskName="Email" ></p><p>      <ioSpecification></p><p>        <inputSet></p><p>        </inputSet></p><p>        <outputSet></p><p>        </outputSet></p><p>      </ioSpecification></p><p>    </task></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="_4-_3" sourceRef="_4" targetRef="_3" /></p><p>    <sequenceFlow id="_1-_4" sourceRef="_1" 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="com.sample.bpmn.hello" ></p><p>      <bpmndi:BPMNShape bpmnElement="_1" ></p><p>        <dc:Bounds x="16" y="16" width="48" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_3" ></p><p>        <dc:Bounds x="345" y="38" width="48" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNShape bpmnElement="_4" ></p><p>        <dc:Bounds x="115" y="37" width="100" height="48" /></p><p>      </bpmndi:BPMNShape></p><p>      <bpmndi:BPMNEdge bpmnElement="_4-_3" ></p><p>        <di:waypoint x="165" y="61" /></p><p>        <di:waypoint x="369" y="62" /></p><p>      </bpmndi:BPMNEdge></p><p>      <bpmndi:BPMNEdge bpmnElement="_1-_4" ></p><p>        <di:waypoint x="40" y="40" /></p><p>        <di:waypoint x="165" y="61" /></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><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>==============================================</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And when i run this  i am getting following output on console</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>=====>>>></p><p>OUTPUT</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>==================</p><p>Exception in thread "main" org.jbpm.workflow.instance.WorkflowRuntimeException: [com.sample.bpmn.hello:1 - Email:4] -- Email must have one or more to adresses</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:130)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)</p><p>          at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)</p><p>          at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)</p><p>          at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)</p><p>          at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)</p><p>          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:130)</p><p>          at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1077)</p><p>          at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:315)</p><p>          at com.sample.ProcessMain.main(ProcessMain.java:33)</p><p>Caused by: java.lang.RuntimeException: Email must have one or more to adresses</p><p>          at org.jbpm.process.workitem.email.EmailWorkItemHandler.createEmail(EmailWorkItemHandler.java:86)</p><p>          at org.jbpm.process.workitem.email.EmailWorkItemHandler.executeWorkItem(EmailWorkItemHandler.java:67)</p><p>          at org.drools.process.instance.impl.DefaultWorkItemManager.internalExecuteWorkItem(DefaultWorkItemManager.java:70)</p><p>          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:105)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)</p><p>          ... 14 more</p></div>
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