topic How to joint strings in JUEL? in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/how-to-joint-strings-in-juel/m-p/135900#M95356 <HTML><HEAD></HEAD><BODY><SPAN>I want to joint some strings for a variable that set by listener.</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />${execution.setVariable('message', 'reject reason: max value for ' + category)}<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>In this example, the type of </SPAN><STRONG>'reject reason: max value for'</STRONG><SPAN> is text, the </SPAN><STRONG>category</STRONG><SPAN> is a variable. The value should be </SPAN><STRONG>rejrect reason: max value for AAAA</STRONG><SPAN>&nbsp; if value&nbsp; is 'AAAA' of </SPAN><STRONG>category</STRONG><SPAN>.</SPAN><BR /><BR /><SPAN>Trace:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />org.activiti.engine.ActivitiException: Error while evaluating expression: ${execution.setVariable('message', 'reject reason: max value for ' + category)}<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:59)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.listener.ExpressionExecutionListener.notify(ExpressionExecutionListener.java:35)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:47)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:115)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:36)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:370)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.ExclusiveGatewayActivityBehavior.leave(ExclusiveGatewayActivityBehavior.java:74)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:65)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:115)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:36)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:85)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:535)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:530)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:370)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:102)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:51)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.UserTaskActivityBehavior.signal(UserTaskActivityBehavior.java:98)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.signal(ExecutionEntity.java:353)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:157)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.SubmitTaskFormCmd.execute(SubmitTaskFormCmd.java:47)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:58)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:60)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)<BR />&nbsp;&nbsp;&nbsp;at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:32)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.FormServiceImpl.submitTaskFormData(FormServiceImpl.java:70)<BR />&nbsp;&nbsp;&nbsp;at me.kafeitu.activiti.chapter10.PurchaseEventSubProcessTest.testRejectOnTreasurer(PurchaseEventSubProcessTest.java:69)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<BR />&nbsp;&nbsp;&nbsp;at java.lang.reflect.Method.invoke(Method.java:597)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestCase.runTest(TestCase.java:168)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.test.PvmTestCase.runTest(PvmTestCase.java:85)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestCase.runBare(TestCase.java:134)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.test.AbstractActivitiTestCase.runBare(AbstractActivitiTestCase.java:99)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.spring.impl.test.SpringActivitiTestCase.runBare(SpringActivitiTestCase.java:51)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestResult$1.protect(TestResult.java:110)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestResult.runProtected(TestResult.java:128)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestResult.run(TestResult.java:113)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestCase.run(TestCase.java:124)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestSuite.runTest(TestSuite.java:243)<BR />&nbsp;&nbsp;&nbsp;at junit.framework.TestSuite.run(TestSuite.java:238)<BR />&nbsp;&nbsp;&nbsp;at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)<BR />&nbsp;&nbsp;&nbsp;at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)<BR />&nbsp;&nbsp;&nbsp;at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)<BR />&nbsp;&nbsp;&nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)<BR />&nbsp;&nbsp;&nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)<BR />&nbsp;&nbsp;&nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)<BR />&nbsp;&nbsp;&nbsp;at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)<BR />Caused by: org.activiti.engine.impl.javax.el.ELException: Cannot coerce 'reject reason: max value for ' to class java.lang.Double<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.TypeConverterImpl.coerceToDouble(TypeConverterImpl.java:126)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.TypeConverterImpl.coerceToType(TypeConverterImpl.java:315)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.TypeConverterImpl.convert(TypeConverterImpl.java:365)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.Bindings.convert(Bindings.java:137)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.NumberOperations.add(NumberOperations.java:74)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstBinary$1.apply(AstBinary.java:33)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstBinary$SimpleOperator.eval(AstBinary.java:27)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstBinary.eval(AstBinary.java:106)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstParameters.eval(AstParameters.java:34)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstMethod.invoke(AstMethod.java:88)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstMethod.eval(AstMethod.java:75)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstEval.eval(AstEval.java:50)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.AstNode.getValue(AstNode.java:26)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.juel.TreeValueExpression.getValue(TreeValueExpression.java:114)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.delegate.ExpressionGetInvocation.invoke(ExpressionGetInvocation.java:33)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.delegate.DelegateInvocation.proceed(DelegateInvocation.java:37)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.delegate.DefaultDelegateInterceptor.handleInvocation(DefaultDelegateInterceptor.java:25)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:50)<BR />&nbsp;&nbsp;&nbsp;… 95 more<BR /><SPAN 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Fri, 15 Feb 2013 17:34:46 GMT kafeitu 2013-02-15T17:34:46Z How to joint strings in JUEL? https://connect.hyland.com/t5/alfresco-archive/how-to-joint-strings-in-juel/m-p/135900#M95356 I want to joint some strings for a variable that set by listener.${execution.setVariable('message', 'reject reason: max value for ' + category)}‍‍‍In this example, the type of 'reject reason: max value for' is text, the category is a variable. The value should be rejrect reason: max value for AAAA&nbsp; Fri, 15 Feb 2013 17:34:46 GMT https://connect.hyland.com/t5/alfresco-archive/how-to-joint-strings-in-juel/m-p/135900#M95356 kafeitu 2013-02-15T17:34:46Z Re: How to joint strings in JUEL? https://connect.hyland.com/t5/alfresco-archive/how-to-joint-strings-in-juel/m-p/135901#M95357 <HTML><HEAD></HEAD><BODY><A href="http://www.lmgtfy.com/?q=juel%20concatenate%20string" rel="nofollow noopener noreferrer">http://www.lmgtfy.com/?q=juel%20concatenate%20string</A></BODY></HTML> Fri, 15 Feb 2013 19:37:48 GMT https://connect.hyland.com/t5/alfresco-archive/how-to-joint-strings-in-juel/m-p/135901#M95357 ronald_van_kuij 2013-02-15T19:37:48Z