topic failure calling Java ServiceTask in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/failure-calling-java-servicetask/m-p/60753#M37596 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><SPAN>I'd like to call a method called doSomething() (it returns a string) from a small Java Class myJavaClass using the java service task. I'd like to use the returned string for showing it in the following user task.</SPAN><BR /><SPAN>Therefore my process looks like this here:</SPAN><BR /><BR /><SPAN style="color:#0000FF;">&lt;process id="myJavaServiceTask" name="myJavaServiceTask"&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;startEvent id="startevent1" name="Start"&gt;&lt;/startEvent&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;serviceTask id="servicetask2" name="Service Task" activiti:class="org.myJavaClass" <BR />&nbsp;&nbsp;&nbsp; activiti:resultVariable="varFromJavaTask" activiti:expression="#{myObj.doSomething()}"&gt;&lt;/serviceTask&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow3" name="" sourceRef="startevent1" targetRef="servicetask2"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;endEvent id="endevent2" name="End"&gt;&lt;/endEvent&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow4" name="" sourceRef="servicetask2" targetRef="usertask1"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;userTask id="usertask1" name="User Task" activiti:assignee="kermit"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;documentation textFormat="text/plain"&gt;Message from JavaTask: ${varFromJavaTask}&lt;/documentation&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;/userTask&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow5" name="" sourceRef="usertask1" targetRef="endevent2"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp; &lt;/process&gt;</SPAN><BR /><BR /><SPAN>But when I start a process instance in Activiti explorer there comes an exception which tells me that the given class cannot be instanciated: </SPAN><SPAN style="color:#FF0000;">03110005 Wrapped Exception (with status template): couldn't instantiate class org.myJavaClass</SPAN></BODY></HTML> Mon, 11 Apr 2011 12:31:52 GMT arno1 2011-04-11T12:31:52Z failure calling Java ServiceTask https://connect.hyland.com/t5/alfresco-archive/failure-calling-java-servicetask/m-p/60753#M37596 Hello,I'd like to call a method called doSomething() (it returns a string) from a small Java Class myJavaClass using the java service task. I'd like to use the returned string for showing it in the following user task.Therefore my process looks like this here:&lt;process id="myJavaServiceTask" name= Mon, 11 Apr 2011 12:31:52 GMT https://connect.hyland.com/t5/alfresco-archive/failure-calling-java-servicetask/m-p/60753#M37596 arno1 2011-04-11T12:31:52Z Re: failure calling Java ServiceTask https://connect.hyland.com/t5/alfresco-archive/failure-calling-java-servicetask/m-p/60754#M37597 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>Do you deploy your process on tomcat? If so, make sure the jar containing your classes in in the web-inf/lib of your webapp.</SPAN><BR /><SPAN>If not in webapp-context, check your classpath, the class should be present on it.</SPAN></BODY></HTML> Mon, 11 Apr 2011 13:30:29 GMT https://connect.hyland.com/t5/alfresco-archive/failure-calling-java-servicetask/m-p/60754#M37597 frederikherema1 2011-04-11T13:30:29Z