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    <title>topic [Need helps] Using expression prolems in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/need-helps-using-expression-prolems/m-p/163177#M116988</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Dear all.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;I've just started using Activiti BPM , it 's really awesome. However, I have problems now, it takes me hours this afternoon.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;First I created a java class&lt;/SPAN&gt;&lt;BR /&gt;&lt;PRE class="language-java line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;package org.bpmnwithactiviti.chapter1;&lt;BR /&gt;&lt;BR /&gt;public class Test {&lt;BR /&gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;public void sayHello(){&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;System.out.println("Hello World");&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;}&lt;BR /&gt;}&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Then, a simple Activiti Diagram&lt;/SPAN&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;&amp;lt;?xml version="1.0" encoding="UTF-8"?&amp;gt;&lt;BR /&gt;&amp;lt;definitions xmlns="&lt;A href="http://www.omg.org/spec/BPMN/20100524/MODEL" rel="nofollow noopener noreferrer"&gt;http://www.omg.org/spec/BPMN/20100524/MODEL&lt;/A&gt;" xmlns:xsi="&lt;A href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow noopener noreferrer"&gt;http://www.w3.org/2001/XMLSchema-instance&lt;/A&gt;" xmlns:activiti="&lt;A href="http://activiti.org/bpmn" rel="nofollow noopener noreferrer"&gt;http://activiti.org/bpmn&lt;/A&gt;" xmlns:bpmndi="&lt;A href="http://www.omg.org/spec/BPMN/20100524/DI" rel="nofollow noopener noreferrer"&gt;http://www.omg.org/spec/BPMN/20100524/DI&lt;/A&gt;" xmlns:omgdc="&lt;A href="http://www.omg.org/spec/DD/20100524/DC" rel="nofollow noopener noreferrer"&gt;http://www.omg.org/spec/DD/20100524/DC&lt;/A&gt;" xmlns:omgdi="&lt;A href="http://www.omg.org/spec/DD/20100524/DI" rel="nofollow noopener noreferrer"&gt;http://www.omg.org/spec/DD/20100524/DI&lt;/A&gt;" typeLanguage="&lt;A href="http://www.w3.org/2001/XMLSchema" rel="nofollow noopener noreferrer"&gt;http://www.w3.org/2001/XMLSchema&lt;/A&gt;" expressionLanguage="&lt;A href="http://www.w3.org/1999/XPath" rel="nofollow noopener noreferrer"&gt;http://www.w3.org/1999/XPath&lt;/A&gt;" targetNamespace="&lt;A href="http://www.activiti.org/test" rel="nofollow noopener noreferrer"&gt;http://www.activiti.org/test&lt;/A&gt;"&amp;gt;&lt;BR /&gt;&amp;nbsp; &amp;lt;process id="testBpm" name="My process" isExecutable="true"&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;startEvent id="startevent1" name="Start"&amp;gt;&amp;lt;/startEvent&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;serviceTask id="servicetask1" name="Service Task" activiti:expression="#{testExpression.sayHello()}"&amp;gt;&amp;lt;/serviceTask&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;endEvent id="endevent1" name="End"&amp;gt;&amp;lt;/endEvent&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;sequenceFlow id="flow1" sourceRef="startevent1" targetRef="servicetask1"&amp;gt;&amp;lt;/sequenceFlow&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;sequenceFlow id="flow2" sourceRef="servicetask1" targetRef="endevent1"&amp;gt;&amp;lt;/sequenceFlow&amp;gt;&lt;BR /&gt;&amp;nbsp; &amp;lt;/process&amp;gt;&lt;BR /&gt;&amp;lt;/definitions&amp;gt;&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;SPAN&gt;I also define bean xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;&amp;lt;?xml version="1.0" encoding="UTF-8"?&amp;gt;&lt;BR /&gt;&amp;lt;beans xmlns="&lt;A href="http://www.springframework.org/schema/beans" rel="nofollow noopener noreferrer"&gt;http://www.springframework.org/schema/beans&lt;/A&gt;"&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;xmlns:xsi="&lt;A href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow noopener noreferrer"&gt;http://www.w3.org/2001/XMLSchema-instance&lt;/A&gt;"&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;xsi:schemaLocation="&lt;A href="http://www.springframework.org/schema/beans" rel="nofollow noopener noreferrer"&gt;http://www.springframework.org/schema/beans&lt;/A&gt;&amp;nbsp;&amp;nbsp; &lt;A href="http://www.springframework.org/schema/beans/spring-beans.xsd" rel="nofollow noopener noreferrer"&gt;http://www.springframework.org/schema/beans/spring-beans.xsd&lt;/A&gt;"&amp;gt;&lt;BR /&gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;bean id="processEngineConfiguration"&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;class="org.activiti.engine.impl.cfg.StandaloneInMemProcessEngineConfiguration"&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;property name="databaseSchemaUpdate" value="true" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;property name="history" value="full" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;property name="jobExecutorActivate" value="false" /&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;/bean&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;bean id="testExpression" class="org.bpmnwithactiviti.chapter1.Test"&amp;gt;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;lt;/bean&amp;gt;&lt;BR /&gt;&lt;BR /&gt;&amp;lt;/beans&amp;gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;A small unit test to run&lt;/SPAN&gt;&lt;BR /&gt;&lt;PRE class="language-java line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;package org.bpmnwithactiviti.chapter1;&lt;BR /&gt;&lt;BR /&gt;import org.activiti.engine.ProcessEngine;&lt;BR /&gt;import org.activiti.engine.ProcessEngineConfiguration;&lt;BR /&gt;import org.activiti.engine.RepositoryService;&lt;BR /&gt;import org.activiti.engine.RuntimeService;&lt;BR /&gt;import org.activiti.engine.runtime.ProcessInstance;&lt;BR /&gt;import org.junit.Test;&lt;BR /&gt;&lt;BR /&gt;public class SimpleProcessTest {&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;@Test&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;public void startBookOrder() {&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;ProcessEngine processEngine = ProcessEngineConfiguration&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;.createStandaloneInMemProcessEngineConfiguration()&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;.buildProcessEngine(); &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;RuntimeService runtimeService = processEngine.getRuntimeService(); &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;RepositoryService repositoryService = processEngine.getRepositoryService();&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;repositoryService.createDeployment()&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;.addClasspathResource("chapter1/test.bpmn20.xml")&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;.deploy();&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;"testBpm");&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;}&lt;BR /&gt;}&lt;BR /&gt;&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;And I have errors.&lt;/SPAN&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;&lt;BR /&gt;org.activiti.engine.ActivitiException: Unknown property used in expression&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:55)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:39)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:65)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:115)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:36)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:365)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:102)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:51)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStartInitial.eventNotificationsCompleted(AtomicOperationProcessStartInitial.java:46)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStart.eventNotificationsCompleted(AtomicOperationProcessStart.java:45)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.start(ExecutionEntity.java:319)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:72)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:31)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:46)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.bpmnwithactiviti.chapter1.SimpleProcessTest.startBookOrder(SimpleProcessTest.java:26)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Method.java:606)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.junit.runners.ParentRunner.run(ParentRunner.java:236)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)&lt;BR /&gt;Caused by: org.activiti.engine.impl.javax.el.PropertyNotFoundException: Cannot resolve identifier 'testExpression'&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.juel.AstIdentifier.eval(AstIdentifier.java:83)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.juel.AstMethod.invoke(AstMethod.java:79)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.juel.AstMethod.eval(AstMethod.java:75)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.juel.AstEval.eval(AstEval.java:50)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.juel.AstNode.getValue(AstNode.java:26)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.juel.TreeValueExpression.getValue(TreeValueExpression.java:114)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.delegate.ExpressionGetInvocation.invoke(ExpressionGetInvocation.java:33)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.delegate.DelegateInvocation.proceed(DelegateInvocation.java:37)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.delegate.DefaultDelegateInterceptor.handleInvocation(DefaultDelegateInterceptor.java:25)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:50)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;… 80 more&lt;BR /&gt;&lt;SPAN 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/&gt;&lt;BR /&gt;&lt;SPAN&gt;Oh, why &lt;img id="smileysad" class="emoticon emoticon-smileysad" src="https://connect.hyland.com/i/smilies/16x16_smiley-sad.png" alt="Smiley Sad" title="Smiley Sad" /&gt; . Please, help me, I am so confusing.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 16 Sep 2013 13:42:53 GMT</pubDate>
    <dc:creator>holysoul</dc:creator>
    <dc:date>2013-09-16T13:42:53Z</dc:date>
    <item>
      <title>[Need helps] Using expression prolems</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/need-helps-using-expression-prolems/m-p/163177#M116988</link>
      <description>Dear all.I've just started using Activiti BPM , it 's really awesome. However, I have problems now, it takes me hours this afternoon.First I created a java classpackage org.bpmnwithactiviti.chapter1;public class Test {&amp;nbsp;&amp;nbsp;&amp;nbsp;public void sayHello(){&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;System.out.println("Hello World");&amp;nbsp;&amp;nbsp;&amp;nbsp;}}‍‍‍‍‍‍‍‍‍‍T</description>
      <pubDate>Mon, 16 Sep 2013 13:42:53 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/need-helps-using-expression-prolems/m-p/163177#M116988</guid>
      <dc:creator>holysoul</dc:creator>
      <dc:date>2013-09-16T13:42:53Z</dc:date>
    </item>
    <item>
      <title>Re: [Need helps] Using expression prolems</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/need-helps-using-expression-prolems/m-p/163178#M116989</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;There's something strange in your configuration (bean) file:&amp;lt;code&amp;gt;…spring-beans.xsd"&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt; &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;" rel="nofollow"&amp;gt;&lt;/SPAN&gt;&lt;A href="http://www.springframework.org/schema/beans/spring-beans.xsd" rel="nofollow noopener noreferrer"&gt;http://www.springframework.org/schema/beans/spring-beans.xsd&lt;/A&gt;&lt;SPAN&gt;"&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt; &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;lt;/a&amp;gt; &amp;lt;bean…&amp;lt;/code&amp;gt;which might invalidate the file and make Activiti to discard it, i.e. to run without this configuration.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 17 Sep 2013 07:39:54 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/need-helps-using-expression-prolems/m-p/163178#M116989</guid>
      <dc:creator>mmaker1234</dc:creator>
      <dc:date>2013-09-17T07:39:54Z</dc:date>
    </item>
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