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problem with using constranits of split node
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created by <a href="http://community.jboss.org/people/luhong">hong lu</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/645612#645612">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,  I am newbie to jBPM and I am using JBPM5.2.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I want to program a split process and get exception messages:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Exception in thread "main" java.lang.IllegalArgumentException: XOR split could not find at least one valid outgoing connection for split null</p><p> at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:98)</p><p> at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)</p><p> at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:185)</p><p> at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:150)</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:122)</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:1074)</p><p> at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:301)</p><p> at com.infy.workflow.MainTest.main(MainTest.java:111)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #333333; font-size: 10pt;">forgive me for my bad english.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #333333; font-size: 10pt;">Thanks very much.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the source as below: </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class MainTest {<br/> public static void main(String[] args) {<br/>  RuleFlowProcess process = new RuleFlowProcess();<br/>  process.setId("com.infy.login");<br/>  process.setName("login process");</p><p>  List<Variable> variables = new ArrayList<Variable>();<br/>  Variable variable = new Variable();<br/>  variable.setName("isLogin");<br/>  BooleanDataType isLogin = new BooleanDataType();<br/>  isLogin.writeValue(true);<br/>  variable.setType(isLogin);<br/>  variables.add(variable);<br/>  process.getVariableScope().setVariables(variables);</p><p>  StartNode startNode = new StartNode();<br/>  startNode.setName("Start");<br/>  startNode.setId(1);<br/>  process.addNode(startNode);</p><p>  Split splitNode = new Split(Split.TYPE_XOR);<br/>  splitNode.setId(2);<br/>  process.addNode(splitNode);<br/>  new ConnectionImpl(startNode, Node.CONNECTION_DEFAULT_TYPE, splitNode, Node.CONNECTION_DEFAULT_TYPE);</p><p>  ActionNode actionNode = new ActionNode();<br/>  actionNode.setName("validUser");<br/>  DroolsAction action = new DroolsConsequenceAction("java", null);<br/>  action.setMetaData("Action", new Action() {<br/>   public void execute(ProcessContext context) throws Exception {<br/>    System.out.println("The user is an valid user.");<br/>   }<br/>  });<br/>  actionNode.setAction(action);<br/>  actionNode.setId(3);<br/>  process.addNode(actionNode);<br/>  Connection validFlow = new ConnectionImpl(splitNode, Node.CONNECTION_DEFAULT_TYPE, actionNode,<br/>    Node.CONNECTION_DEFAULT_TYPE);<br/>  Constraint validConstraint = new RuleConstraintEvaluator();<br/>  validConstraint.setDialect("java");<br/>  validConstraint.setType("code");<br/>  validConstraint.setConstraint("return false;");<br/>  splitNode.setConstraint(validFlow, validConstraint);</p><p>  ActionNode actionNode2 = new ActionNode();<br/>  actionNode2.setName("validUser");<br/>  DroolsAction action2 = new DroolsConsequenceAction("java", null);<br/>  action2.setMetaData("Action", new Action() {<br/>   public void execute(ProcessContext context) throws Exception {<br/>    System.out.println("The user is an invalid user.");<br/>   }<br/>  });<br/>  actionNode2.setAction(action2);<br/>  actionNode2.setId(4);<br/>  process.addNode(actionNode2);<br/>  Connection invalidFlow = new ConnectionImpl(splitNode, Node.CONNECTION_DEFAULT_TYPE, actionNode2,<br/>    Node.CONNECTION_DEFAULT_TYPE);<br/>  Constraint invalidConstraint = new RuleConstraintEvaluator();<br/>  invalidConstraint.setDialect("java");<br/>  invalidConstraint.setType("code");<br/>  invalidConstraint.setConstraint("return true;");<br/>  splitNode.setConstraint(invalidFlow, invalidConstraint);</p><p>  EndNode endNode = new EndNode();<br/>  endNode.setName("EndNode");<br/>  endNode.setId(5);<br/>  process.addNode(endNode);<br/>  new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, endNode, Node.CONNECTION_DEFAULT_TYPE);</p><p>  EndNode endNode2 = new EndNode();<br/>  endNode2.setName("EndNode2");<br/>  endNode2.setId(6);<br/>  process.addNode(endNode2);<br/>  new ConnectionImpl(actionNode2, Node.CONNECTION_DEFAULT_TYPE, endNode2, Node.CONNECTION_DEFAULT_TYPE);</p><p>  KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();<br/>  AbstractRuleBase ruleBase = (AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase();<br/>  ruleBase.addProcess(process);<br/>  StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p>  ProcessInstance processInstance = ksession.startProcess("com.infy.login");<br/> }<br/>}</p></div>
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