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Re: Exception Handling in jBPM
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created by <a href="https://community.jboss.org/people/chian">chian</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/751578#751578">View the full discussion</a>
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<div class="jive-rendered-content"><p>Thank you for the reply.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Actually here is the scenerio..</p><p><a href="https://community.jboss.org/servlet/JiveServlet/showImage/2-751578-19136/processimage.jpg"><span> https://community.jboss.org/servlet/JiveServlet/downloadImage/2-751578-19136/450-153/processimage.jpg </span></a></p><p>Here, when <span style="text-decoration: underline;"><strong>node1 </strong></span>throws the exception, it should traverse through transition <span style="text-decoration: underline;"><strong>error</strong></span>. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="text-decoration: underline;"><strong>Here is the processdefinition.xml</strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?></p><p><process-definition  xmlns="urn:jbpm.org:jpdl-3.2"  name="VitWork"></p><p>          <start-state name="Start"></p><p>                    <transition to="node1"></transition></p><p>          </start-state></p><p>          <node name="node1" async="true"></p><p>                    <event type="node-leave"></p><p>                              <action class="com.sample.action.MessageActionHandler1"></action></p><p>                    </event></p><p>                    <transition to="node2" name="ok"></transition></p><p>                    <transition to="Error Handling" name="error"></transition></p><p>          </node></p><p>          <node name="node2" async="true"></p><p>                    <event type="node-leave"></p><p>                              <action class="com.sample.action.MessageActionHandler2"></action></p><p>                    </event></p><p>                    <transition to="Approve"></transition></p><p>          </node></p><p>          <task-node name="Approve"></p><p>                    <task name="Approve"></task></p><p>                    <transition to="end"></transition></p><p>          </task-node></p><p>          <task-node name="Error Handling"></p><p>                    <task name="Error Handling"></task></p><p>                    <exception-handler exception-class="java.lang.Exception"></p><p>                              <action class="com.sample.exceptionHandler.ExceptionHandler"></action></p><p>                    </exception-handler></p><p>                    <transition to="end-state1"></transition></p><p>          </task-node></p><p>          <end-state name="end"></end-state></p><p>          <end-state name="end-state1"></end-state></p><p></process-definition></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="text-decoration: underline;"><strong>Here is the MessageActionHandler1.java</strong></span></p><p><span style="text-decoration: underline;"><strong><br/></strong></span></p><p>package com.sample.action;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> import org.jbpm.graph.def.ActionHandler;</p><p>import org.jbpm.graph.exe.ExecutionContext;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class MessageActionHandler1 implements ActionHandler {</p><p>          private static final long serialVersionUID = 1L;</p><p>          public void execute(ExecutionContext context) throws Exception {</p><p>                    System.out.println("Thread 1 going to Sleep for 15 seconds...");</p><p>                    throw new Exception("Dummy Exception"); </p><p>          } </p><p>}</p></div>
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