topic Access Variables in Call Activity in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/access-variables-in-call-activity/m-p/78317#M51945 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I modelled a process with one subprocess using activiti. In a task in the parent process I put a variable to the Process variables the following way:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>Map&lt;String, Object&gt; variablesMap = exc.getVariables();<BR />variablesMap.put("ParentProcessVar", var);<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>I now tried to pass this variable from the parent process into the sub process. I implemented the parameter passing using the following snippet of code:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>&lt;callActivity id="callactivity1" name="adsubProcess" calledElement="CalledElement"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;extensionElements&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;activiti:in source="ParentProcessVar" target="SubProcessVar"&gt;&lt;/activiti:in&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;activiti:out source="SubProcessVar" target="ParentProcessVar"&gt;&lt;/activiti:out&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/extensionElements&gt;&nbsp;&nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp; &lt;/callActivity&gt;<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>Within a Task in the subprocess I try to access the variable in the following way:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>Map&lt;String, Object&gt; variablesMap = exc.getVariables();<BR />String var= (String) variablesMap.get("SubProcessVar");<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>Sadly this throws a NullPointerException:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>07.07.2011 18:38:09 org.activiti.engine.impl.interceptor.CommandContext close<BR />SCHWERWIEGEND: Error while closing command context<BR />java.lang.NullPointerException<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>I tried everything I could imagine and hope somebody here has a solution for this problem. Probably I am just missing out one small detail.</SPAN><BR /><BR /><SPAN>Thanks &amp; Best Regards,</SPAN><BR /><SPAN>Carl</SPAN></BODY></HTML> Thu, 07 Jul 2011 16:46:05 GMT c_heckmann 2011-07-07T16:46:05Z Access Variables in Call Activity https://connect.hyland.com/t5/alfresco-archive/access-variables-in-call-activity/m-p/78317#M51945 Hi,I modelled a process with one subprocess using activiti. In a task in the parent process I put a variable to the Process variables the following way:Map&lt;String, Object&gt; variablesMap = exc.getVariables();variablesMap.put("ParentProcessVar", var);‍‍I now tried to pass this variable from the p Thu, 07 Jul 2011 16:46:05 GMT https://connect.hyland.com/t5/alfresco-archive/access-variables-in-call-activity/m-p/78317#M51945 c_heckmann 2011-07-07T16:46:05Z Re: Access Variables in Call Activity https://connect.hyland.com/t5/alfresco-archive/access-variables-in-call-activity/m-p/78318#M51946 <HTML><HEAD></HEAD><BODY><SPAN>That should be it. There must indeed be some small detail … could you create a minimal unit test that shows the problem?</SPAN></BODY></HTML> Mon, 11 Jul 2011 09:31:26 GMT https://connect.hyland.com/t5/alfresco-archive/access-variables-in-call-activity/m-p/78318#M51946 jbarrez 2011-07-11T09:31:26Z