topic Unable to call javadelegate class in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241991#M195121 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I'm new to activiti. I have a created a stand-alone java application with simple process like[ Start-&gt;ServiceTask-&gt;End ]. Below are the files are using in sample application, Main.java, MyJavaDelegate.java &amp; bpmn files. When running this application i'm getting below exception:</SPAN><BR /><BR /><SPAN>Exception:&nbsp; [Validation set: 'activiti-executable-process' | Problem: 'activiti-servicetask-missing-implementation'] : One of the attributes 'class', 'delegateExpression', 'type', 'operation', or 'expression' is mandatory on serviceTask. - [Extra info : processDefinitionId = helloWorld | id = myServiceTask | ] ( line: 10, column: 92) ————-</SPAN><BR /><BR /><SPAN>I thought, i should register JavaDelegate class instance with ActivitiRuntimeEngine. Please suggest?</SPAN><BR /><BR /><SPAN>Below are the files:</SPAN><BR /><SPAN>——————————————————————————–</SPAN><BR /><SPAN>Main.java</SPAN><BR /><SPAN>——————————————————————————–</SPAN><BR /><SPAN>public class Main {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; public static void main(String[] args) throws ClassNotFoundException {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try { </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Create the Activiti engine in-memory on H2 database</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ProcessEngineConfiguration engineConfig = ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration();</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ProcessEngine processEngine = engineConfig.buildProcessEngine();</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; processEngine.getRepositoryService().createDeployment()</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .addClasspathResource("hello-world.bpmn20.xml")</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .deploy();</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ProcessInstance processInstance = processEngine.getRuntimeService()</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .startProcessInstanceByKey("helloWorld");</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println("Process instance id:" + processInstance.getId());</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; processEngine.close();</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; } catch (Exception e) {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; e.printStackTrace();</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN>}</SPAN><BR /><BR /><SPAN>——————————————————————————–</SPAN><BR /><SPAN>MyJavaDelegate.java . This files was placed in 'org.sample.delegates' package.</SPAN><BR /><SPAN>——————————————————————————–</SPAN><BR /><SPAN>public class MyJavaDelegate implements JavaDelegate { </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp; @Override</SPAN><BR /><SPAN>&nbsp;&nbsp; public void execute(DelegateExecution execution) throws Exception {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println("Service task called…");</SPAN><BR /><SPAN>&nbsp; } </SPAN><BR /><SPAN>}</SPAN><BR /><BR /><SPAN>——————————————————————————–</SPAN><BR /><SPAN>hello-world.bpmn20</SPAN><BR /><SPAN>——————————————————————————–</SPAN><BR /><SPAN>&lt;?xml version="1.0" encoding="UTF-8"?&gt;</SPAN><BR /><SPAN>&lt;definitions id="definitions"</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 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>"</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xmlns:activiti="</SPAN><A href="http://activiti.org/bpmn-extensions" rel="nofollow noopener noreferrer">http://activiti.org/bpmn-extensions</A><SPAN>"</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; targetNamespace="</SPAN><A href="http://www.activiti.org/bpmn2.0" rel="nofollow noopener noreferrer">http://www.activiti.org/bpmn2.0</A><SPAN>"&gt;</SPAN><BR /><SPAN>&nbsp; </SPAN><BR /><SPAN>&nbsp; &lt;process id="helloWorld"&gt;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;startEvent id="theStart" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow1" sourceRef="theStart" targetRef="myServiceTask" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;serviceTask id="myServiceTask" activiti:class="org.sample.delegates.MyJavaDelegate" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow2" sourceRef="myServiceTask" targetRef="theEnd" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;endEvent id="theEnd" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp; &lt;/process&gt;</SPAN><BR /><BR /><SPAN>&lt;/definitions&gt;</SPAN></BODY></HTML> Mon, 01 Feb 2016 12:16:13 GMT surya 2016-02-01T12:16:13Z Unable to call javadelegate class https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241991#M195121 Hi,I'm new to activiti. I have a created a stand-alone java application with simple process like[ Start-&gt;ServiceTask-&gt;End ]. Below are the files are using in sample application, Main.java, MyJavaDelegate.java &amp; bpmn files. When running this application i'm getting below exception:Exception Mon, 01 Feb 2016 12:16:13 GMT https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241991#M195121 surya 2016-02-01T12:16:13Z Re: Unable to call javadelegate class https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241992#M195122 <HTML><HEAD></HEAD><BODY><SPAN>Hi, forget to attach process definition:</SPAN><BR /><BR /><SPAN>&nbsp; &lt;process id="helloWorld"&gt;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;startEvent id="theStart" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow1" sourceRef="theStart" targetRef="myServiceTask" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;serviceTask id="myServiceTask" activiti:class="org.sample.delegates.MyJavaDelegate" /&gt;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow2" sourceRef="myServiceTask" targetRef="theEnd" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp; &lt;endEvent id="theEnd" /&gt;&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp; &lt;/process&gt;</SPAN></BODY></HTML> Mon, 01 Feb 2016 12:32:02 GMT https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241992#M195122 surya 2016-02-01T12:32:02Z Re: Unable to call javadelegate class https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241993#M195123 <HTML><HEAD></HEAD><BODY><SPAN>Hi, </SPAN><BR /><SPAN>You can start investigating it with a breakpoint in : ServiceTaskValidator.java on the method:</SPAN><BR /><SPAN>&lt;code&gt;</SPAN><BR /><SPAN>protected void verifyImplementation(Process process, ServiceTask serviceTask, List&lt;ValidationError&gt; errors) </SPAN><BR /><SPAN>&lt;/code&gt;</SPAN><BR /><BR /><SPAN>Which version of Activiti are you using?</SPAN></BODY></HTML> Mon, 01 Feb 2016 13:27:13 GMT https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241993#M195123 vasile_dirla 2016-02-01T13:27:13Z Re: Unable to call javadelegate class https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241994#M195124 <HTML><HEAD></HEAD><BODY><SPAN>At last, i figured out the issue. Problem is with activiti version. I'm using 5.19, in that, name space should be </SPAN><BR /><BR /><SPAN>"xmlns:activiti="</SPAN><A href="http://activiti.org/bpmn" rel="nofollow noopener noreferrer">http://activiti.org/bpmn</A><SPAN>".</SPAN><BR /><BR /><SPAN>@vasile.dirla: Thank you very much for quick help. You simply great <img id="smileyhappy" class="emoticon emoticon-smileyhappy" src="https://connect.hyland.com/i/smilies/16x16_smiley-happy.png" alt="Smiley Happy" title="Smiley Happy" /></SPAN></BODY></HTML> Mon, 01 Feb 2016 16:04:29 GMT https://connect.hyland.com/t5/alfresco-archive/unable-to-call-javadelegate-class/m-p/241994#M195124 surya 2016-02-01T16:04:29Z