topic activiti:delegateExpression= throws --&gt; error Cannot resolve identifier in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/activiti-delegateexpression-throws-gt-error-cannot-resolve/m-p/130692#M91819 <HTML><HEAD></HEAD><BODY><SPAN>Hi everybody,</SPAN><BR /><BR /><SPAN>I think my problem is simmilar to the one sherlock described in this post. </SPAN><BR /><A href="http://forums.activiti.org/content/how-save-process-variables-custom-database" rel="nofollow noopener noreferrer">http://forums.activiti.org/content/how-save-process-variables-custom-database</A><BR /><BR /><SPAN>I want to call cdi beans from an service task execution but i get the following error at runtime.</SPAN><BR /><PRE class="language-java line-numbers"><CODE><BR />13:38:14,132 ERROR [org.activiti.engine.impl.interceptor.CommandContext] (http-localhost-127.0.0.1-8080-4) Error while closing command context: org.activiti.engine.ActivitiException: Unknown property used in expression: ${systemSpecificationCheck}<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.el.JuelExpression.getValue(JuelExpression.java:53) [activiti-engine-5.12.jar:5.12]<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.ServiceTaskDelegateExpressionActivityBehavior.execute(ServiceTaskDelegateExpressionActivityBehavior.java:65) [activiti-engine-5.12.jar:5.12]<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:44) [activiti-engine-5.12.jar:5.12]<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:86) [activiti-engine-5.12.jar:5.12]<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>For me it looks like the engine did not find my SystemSpecificationCheck class.</SPAN><BR /><BR /><SPAN>The class looks like:</SPAN><BR /><BR /><PRE class="language-java line-numbers"><CODE>@Named<BR />@SessionScoped<BR />public class SystemSpecificationCheck implements JavaDelegate, Serializable{<BR /><BR />&nbsp;&nbsp;&nbsp;private static final long serialVersionUID = 1L;<BR />&nbsp;&nbsp;&nbsp;private Logger logger;<BR />&nbsp;&nbsp;&nbsp;@Inject private TaskService taskService;<BR /><BR />&nbsp;&nbsp;&nbsp;public void execute(DelegateExecution execution) throws Exception {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logger = LoggerFactory.getLogger(SystemSpecificationCheck.class);<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logger.info("[ACT] SpecificationCheck is running", this);<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// GET THE NEEDED VALUES FROM THE ENGINE<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;String processInstanceId = execution.getProcessInstanceId();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logger.info("[ACT] ProcessInstanceId = " +processInstanceId, this);<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//TaskService taskService = execution.getEngineServices()<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.getTaskService();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Task t = taskService.createTaskQuery()<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.processInstanceId(processInstanceId).singleResult();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logger.info("[ACT] Task ="+t.getName(),this);<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>From the other post I saw that i have to use the activiti:delegateExpression instead of class. Thats why my TaskService looks like this.</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>&nbsp; &lt;serviceTask id="abc" name="Spezifizierung nötig?" activiti:delegateExpression="${systemSpecificationCheck}"&gt;&lt;/serviceTask&gt;<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><BR /><SPAN>And I used </SPAN><BR /><BR /><PRE class="language-java line-numbers"><CODE>CdiJtaProcessEngineConfiguration processEngineConfiguration = new CdiJtaProcessEngineConfiguration();<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><BR /><SPAN>My CDI Beans are working well in my JSF part and I can run the process without CDI Injection but if I try to Inject a bean (even the standard TaskService) it fails.</SPAN><BR /><BR /><SPAN>Have anyone an idea what I do wrong and how I can enable CDI Injection in the service task execution?</SPAN><BR /><SPAN>Thanks for help.</SPAN></BODY></HTML> Fri, 28 Jun 2013 12:12:36 GMT cweber 2013-06-28T12:12:36Z activiti:delegateExpression= throws --> error Cannot resolve identifier https://connect.hyland.com/t5/alfresco-archive/activiti-delegateexpression-throws-gt-error-cannot-resolve/m-p/130692#M91819 Hi everybody,I think my problem is simmilar to the one sherlock described in this post. http://forums.activiti.org/content/how-save-process-variables-custom-databaseI want to call cdi beans from an service task execution but i get the following error at runtime.13:38:14,132 ERROR [org.activiti.engin Fri, 28 Jun 2013 12:12:36 GMT https://connect.hyland.com/t5/alfresco-archive/activiti-delegateexpression-throws-gt-error-cannot-resolve/m-p/130692#M91819 cweber 2013-06-28T12:12:36Z Re: activiti:delegateExpression= throws --> error Cannot resolve identifier https://connect.hyland.com/t5/alfresco-archive/activiti-delegateexpression-throws-gt-error-cannot-resolve/m-p/130693#M91820 <HTML><HEAD></HEAD><BODY><SPAN>Is your bean found by CDI and is it bound to the 'systemSpecificationCheck' name?</SPAN></BODY></HTML> Mon, 01 Jul 2013 08:28:27 GMT https://connect.hyland.com/t5/alfresco-archive/activiti-delegateexpression-throws-gt-error-cannot-resolve/m-p/130693#M91820 jbarrez 2013-07-01T08:28:27Z