topic JPA problem[help] in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/jpa-problem-help/m-p/116578#M82255 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><SPAN>&nbsp;&nbsp; I am studing JPA ,but met some problems.Followings are the background.</SPAN><BR /><SPAN>&nbsp;&nbsp; JPA : activiti-jpa-pu, no domain model is used.</SPAN><BR /><SPAN>&nbsp;&nbsp; main error message:Entity does not exist: example.Point - 1</SPAN><BR /><SPAN>&nbsp;&nbsp; There is one entity in the DB,but after the program aborted,the item&nbsp; is deleted from the Table.</SPAN><BR /><SPAN>&nbsp;&nbsp; Anybody can help me?</SPAN><BR /><SPAN>&nbsp; </SPAN><STRONG>Thanks in advance.</STRONG><BR /><BR /><SPAN>1 </SPAN><SPAN style="color:#FF0000;">activiti.cfg.xml</SPAN><BR /><SPAN>&nbsp;&nbsp; &lt;?xml version="1.0" encoding="UTF-8"?&gt;</SPAN><BR /><BR /><SPAN>&lt;beans xmlns="</SPAN><A href="http://www.springframework.org/schema/beans" rel="nofollow noopener noreferrer">http://www.springframework.org/schema/beans</A><SPAN>" </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xmlns:xsi="</SPAN><A href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema-instance</A><SPAN>"</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xsi:schemaLocation="</SPAN><A href="http://www.springframework.org/schema/beans" rel="nofollow noopener noreferrer">http://www.springframework.org/schema/beans</A><SPAN>&nbsp;&nbsp; </SPAN><A href="http://www.springframework.org/schema/beans/spring-beans.xsd" rel="nofollow noopener noreferrer">http://www.springframework.org/schema/beans/spring-beans.xsd</A><SPAN>"&gt;</SPAN><BR /><BR /><SPAN>&nbsp; &lt;bean id="processEngineConfiguration" class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration"&gt;</SPAN><BR /><SPAN>&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;!– Database configurations –&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="databaseSchemaUpdate" value="true" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="jdbcUrl" value="jdbc:h2:tcp://localhost/activiti" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="jdbcDriver" value="org.h2.Driver" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="jdbcUsername" value="sa" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="jdbcPassword" value="" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;!– -JPA –&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="jpaPersistenceUnitName" value="activiti-jpa-pu" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;property name="jpaHandleTransaction" value="true" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;property name="jpaCloseEntityManager" value="true" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;!– Mail –&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;property name="mailServerHost"&nbsp; value="smtp.sohu.com" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;property name="mailServerPort"&nbsp; value="25" /&gt;</SPAN><BR /><SPAN><SPAN>&nbsp;&nbsp;&nbsp;&lt;property name="mailServerUsername" value="</SPAN><A class="jive-link-email-small" href="mailto:banw@sohu.com" rel="nofollow noopener noreferrer">banw@sohu.com</A><SPAN>" /&gt;</SPAN></SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;property name="mailServerPassword" value="670819" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&lt;!– Job&nbsp; –&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;property name="jobExecutorActivate" value="true" /&gt;</SPAN><BR /><SPAN>&nbsp; &lt;/bean&gt;</SPAN><BR /><SPAN>&nbsp; &lt;bean id="Point" class="example.Point" /&gt;</SPAN><BR /><SPAN>&nbsp; &lt;bean id="FieldAccessJPAEntity" class="example.FieldAccessJPAEntity" /&gt;</SPAN><BR /><SPAN>&nbsp; </SPAN><BR /><SPAN>&lt;/beans&gt;</SPAN><BR /><BR /><SPAN>2&nbsp; </SPAN><SPAN style="color:#FF0000;">MyProcess.bpmn20.xml</SPAN><SPAN>&nbsp; &lt;?xml version="1.0" encoding="UTF-8"?&gt;</SPAN><BR /><SPAN>&lt;definitions xmlns="</SPAN><A href="http://www.omg.org/spec/BPMN/20100524/MODEL" rel="nofollow noopener noreferrer">http://www.omg.org/spec/BPMN/20100524/MODEL</A><SPAN>" xmlns:xsi="</SPAN><A href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema-instance</A><SPAN>" xmlns:activiti="</SPAN><A href="http://activiti.org/bpmn" rel="nofollow noopener noreferrer">http://activiti.org/bpmn</A><SPAN>" xmlns:bpmndi="</SPAN><A href="http://www.omg.org/spec/BPMN/20100524/DI" rel="nofollow noopener noreferrer">http://www.omg.org/spec/BPMN/20100524/DI</A><SPAN>" xmlns<img id="smileysurprised" class="emoticon emoticon-smileysurprised" src="https://connect.hyland.com/i/smilies/16x16_smiley-surprised.png" alt="Smiley Surprised" title="Smiley Surprised" />mgdc="</SPAN><A href="http://www.omg.org/spec/DD/20100524/DC" rel="nofollow noopener noreferrer">http://www.omg.org/spec/DD/20100524/DC</A><SPAN>" xmlns<img id="smileysurprised" class="emoticon emoticon-smileysurprised" src="https://connect.hyland.com/i/smilies/16x16_smiley-surprised.png" alt="Smiley Surprised" title="Smiley Surprised" />mgdi="</SPAN><A href="http://www.omg.org/spec/DD/20100524/DI" rel="nofollow noopener noreferrer">http://www.omg.org/spec/DD/20100524/DI</A><SPAN>" typeLanguage="</SPAN><A href="http://www.w3.org/2001/XMLSchema" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema</A><SPAN>" expressionLanguage="</SPAN><A href="http://www.w3.org/1999/XPath" rel="nofollow noopener noreferrer">http://www.w3.org/1999/XPath</A><SPAN>" targetNamespace="</SPAN><A href="http://www.activiti.org/test" rel="nofollow noopener noreferrer">http://www.activiti.org/test</A><SPAN>"&gt;</SPAN><BR /><SPAN>&nbsp; &lt;process id="process3" name="process3"&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;startEvent id="startevent1" name="Start"&gt;&lt;/startEvent&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;endEvent id="endevent1" name="End"&gt;&lt;/endEvent&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;serviceTask id="servicetask1" name="Service Task" activiti:expression="${POINT.setX(9)}"&nbsp;&nbsp; &gt;&lt;/serviceTask&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow3" name="" sourceRef="startevent1" targetRef="servicetask1"&gt;&lt;/sequenceFlow&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;userTask id="usertask1" name="User Task" activiti:assignee="kermit"&gt;&lt;/userTask&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow4" name="" sourceRef="servicetask1" targetRef="usertask1"&gt;&lt;/sequenceFlow&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow5" name="" sourceRef="usertask1" targetRef="endevent1"&gt;&lt;/sequenceFlow&gt;</SPAN><BR /><SPAN>&nbsp; &lt;/process&gt;</SPAN><BR /><BR /><SPAN>3 </SPAN><SPAN style="color:#FF0000;">Entity example</SPAN><BR /><SPAN>&nbsp;&nbsp; package example;</SPAN><BR /><BR /><SPAN>import java.io.Serializable;</SPAN><BR /><SPAN>import javax.persistence.*;</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>@Entity </SPAN><BR /><SPAN>@Table(name="POINT")</SPAN><BR /><SPAN>public class Point implements Serializable {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; private static final long serialVersionUID = 1L;</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; @Id </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; @GeneratedValue</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; private long id;</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; private int x;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; private int y;</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public Point() {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; Point(int x, int y) {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.x = x;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.y = y;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public Long getId() {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return id;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public void setId(Long id) {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;this.id = id;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;}</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public int getX() {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return x;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public int getY() {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return y;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public void setY(int y){</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;this.y = y;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public void setX(int x){</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;this.x = x;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>}</SPAN><BR /><BR /><SPAN>4 </SPAN><SPAN style="color:#FF0000;">Main function fragments</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Point Pt = new Point(0,0);</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Pt.setId((long)1);</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Variables.put("POINT",Pt);</SPAN><BR /><BR /><SPAN>5 </SPAN><SPAN style="color:#FF0000;">One entity has existed in the DB before the program started.</SPAN><BR /><SPAN>&nbsp;&nbsp; But after the program aborted, the entity was deleted from the DB.</SPAN><BR /><BR /><SPAN>6 </SPAN><SPAN style="color:#FF0000;">Console messages:</SPAN><SPAN>2012-5-21 16:17:17 org.activiti.engine.impl.interceptor.CommandContext close</SPAN><BR /><SPAN>严重: Error while closing command context</SPAN><BR /><SPAN>org.activiti.engine.ActivitiException: Error while evalutaing expression</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:61)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:39)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:65)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:115)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:36)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:365)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:102)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:51)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStartInitial.eventNotificationsCompleted(AtomicOperationProcessStartInitial.java:46)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStart.eventNotificationsCompleted(AtomicOperationProcessStart.java:45)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:530)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:525)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.start(ExecutionEntity.java:319)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:72)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:31)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:54)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at example.Test.main(Test.java:91)</SPAN><BR /><SPAN>Caused by: org.activiti.engine.ActivitiException: Entity does not exist: example.Point - 1</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.variable.JPAEntityMappings.findEntity(JPAEntityMappings.java:130)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.variable.JPAEntityMappings.getJPAEntity(JPAEntityMappings.java:119)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.variable.JPAEntityVariableType.getValue(JPAEntityVariableType.java:77)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.VariableInstanceEntity.getValue(VariableInstanceEntity.java:158)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.VariableScopeImpl.getVariable(VariableScopeImpl.java:93)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.el.VariableScopeElResolver.getValue(VariableScopeElResolver.java:65)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.javax.el.CompositeELResolver.getValue(CompositeELResolver.java:231)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstIdentifier.eval(AstIdentifier.java:81)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstMethod.invoke(AstMethod.java:79)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstMethod.eval(AstMethod.java:75)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstEval.eval(AstEval.java:50)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstNode.getValue(AstNode.java:26)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.TreeValueExpression.getValue(TreeValueExpression.java:114)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.delegate.ExpressionGetInvocation.invoke(ExpressionGetInvocation.java:33)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.delegate.DelegateInvocation.proceed(DelegateInvocation.java:3error end!</SPAN><BR /><SPAN>7)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.delegate.DefaultDelegateInterceptor.handleInvocation(DefaultDelegateInterceptor.java:25)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:50)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;… 58 more</SPAN></BODY></HTML> Mon, 21 May 2012 08:40:20 GMT banw 2012-05-21T08:40:20Z JPA problem[help] https://connect.hyland.com/t5/alfresco-archive/jpa-problem-help/m-p/116578#M82255 Hello,&nbsp;&nbsp; I am studing JPA ,but met some problems.Followings are the background.&nbsp;&nbsp; JPA : activiti-jpa-pu, no domain model is used.&nbsp;&nbsp; main error message:Entity does not exist: example.Point - 1&nbsp;&nbsp; There is one entity in the DB,but after the program aborted,the item&nbsp; is deleted from the Table.&nbsp;&nbsp; Anybody Mon, 21 May 2012 08:40:20 GMT https://connect.hyland.com/t5/alfresco-archive/jpa-problem-help/m-p/116578#M82255 banw 2012-05-21T08:40:20Z Re: JPA problem[help] https://connect.hyland.com/t5/alfresco-archive/jpa-problem-help/m-p/116579#M82256 <HTML><HEAD></HEAD><BODY><SPAN>Your xml files got messed up somehow. Please repost them correctly.</SPAN></BODY></HTML> Tue, 25 Jun 2013 19:15:15 GMT https://connect.hyland.com/t5/alfresco-archive/jpa-problem-help/m-p/116579#M82256 sebastian_s 2013-06-25T19:15:15Z