topic rest api to start a process instance is holding request untill process instance is complete in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18962#M8387 <HTML><HEAD></HEAD><BODY><P>i am using activiti version 6.</P><P>i created a bpmn process from activiti-app</P><P>then i want to strart that process from activiti-rest.war using the api</P><PRE class="language-none line-numbers"><CODE>http://localhost:8080/activiti-rest/service/runtime/process-instances‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN></CODE></PRE><PRE class="language-none line-numbers"><CODE>request body :<BR /><BR /> {<BR /> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp; "processDefinitionKey":"cep_dispatch_process",<BR />&nbsp;&nbsp; "businessKey":"myBusinessKey",<BR />&nbsp;&nbsp;&nbsp;&nbsp; "returnVariables": false<BR />}<BR /><BR />header :<BR />Content-Type:application/json‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍<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></CODE></PRE><P>as i see in the LOG process is being started in tomcat threads.</P><P></P><P>refering latest github code:</P><P></P><P>Activiti-activiti-6.0.0\modules\activiti-rest\src\main\java\org\activiti\rest\service\api\runtime\process\ProcessInstanceCollectionResource.java</P><P></P><P>when i see method</P><P>&nbsp;&nbsp;&nbsp;</P><PRE class="language-none line-numbers"><CODE>@RequestMapping(value = "/runtime/process-instances", method = RequestMethod.POST, produces = "application/json")<BR />&nbsp; public ProcessInstanceResponse createProcessInstance(@RequestBody ProcessInstanceCreateRequest request, HttpServletRequest httpRequest, HttpServletResponse response) {‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><P>&nbsp;i can see process is being started&nbsp; and not waiting for process to complete , http response is 201. i can understand request is not being hold for process instance to complete</P><PRE class="language-java line-numbers"><CODE> instance <SPAN class="operator token">=</SPAN> processInstanceBuilder<SPAN class="punctuation token">.</SPAN><SPAN class="token function">start</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN><BR /><BR /> response<SPAN class="punctuation token">.</SPAN><SPAN class="token function">setStatus</SPAN><SPAN class="punctuation token">(</SPAN>HttpStatus<SPAN class="punctuation token">.</SPAN>CREATED<SPAN class="punctuation token">.</SPAN><SPAN class="token function">value</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>‍‍‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><P>please refer the log snipped below, i can see process is executing in server thread and request is waiting till process completed</P><P></P><PRE class="language-none line-numbers"><CODE>276-DEBUG 17-01-2019 14:12:07,177- (http-nio-8080-exec-3) ExecutionEntityManagerImpl: Child execution Execution[ id '130023' ] - parent '130021' created with parent 130021<BR />241-DEBUG 17-01-2019 14:12:07,178- (http-nio-8080-exec-3) ContinueProcessOperation: Executing boundary event activityBehavior class org.activiti.engine.impl.bpmn.behavior.BoundaryTimerEventActivityBehavior with execution 130023<BR />171-DEBUG 17-01-2019 14:12:07,202- (http-nio-8080-exec-3) ContinueProcessOperation: Executing activityBehavior class org.activiti.engine.impl.bpmn.behavior.SubProcessActivityBehavior on activity 'sid-1A2A8DF5-764A-4960-8E5D-F347DC10207C' with execution 130021<BR />276-DEBUG 17-01-2019 14:12:07,203- (http-nio-8080-exec-3) ExecutionEntityManagerImpl: Child execution Execution[ id '130025' ] - parent '130021' created with parent 130021<BR />63-DEBUG 17-01-2019 14:12:07,203- (http-nio-8080-exec-3) DefaultActivitiEngineAgenda: Operation class org.activiti.engine.impl.agenda.ContinueProcessOperation added to agenda<BR />70-DEBUG 17-01-2019 14:12:07,203- (http-nio-8080-exec-3) CommandInvoker: Executing operation class org.activiti.engine.impl.agenda.ContinueProcessOperation ‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><P>Please help request must not wait for process to complete .</P><P></P><P>how can i solve this, request to start the process must not wait for process-instance to complete.</P><P></P><P>as you see in the response below:</P><PRE class="language-none line-numbers"><CODE>{<BR />"id":"130028",<BR />"url":"http://localhost:8080/activiti-rest/service/runtime/process-instances/130028",<BR />"businessKey":"myBusinessKey",<BR />"suspended":false,<BR />"ended":true,<BR />"processDefinitionId":"cep_dispatch_process:13:125033",<BR />"processDefinitionUrl":"http://localhost:8080/activiti-rest/service/repository/process-definitions/cep_dispatch_process:13:125033",<BR />"processDefinitionKey":"cep_dispatch_process",<BR />"activityId":null,<BR />"variables":[],<BR />"tenantId":"",<BR />"name":null,<BR />"completed":true<BR />}‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍<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></CODE></PRE><P>api is returning only after process completes, i add delay of 2 min in service task , i can see request will be waiting. please help</P></BODY></HTML> Thu, 17 Jan 2019 09:08:08 GMT mansoor 2019-01-17T09:08:08Z rest api to start a process instance is holding request untill process instance is complete https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18962#M8387 i am using activiti version 6.i created a bpmn process from activiti-appthen i want to strart that process from activiti-rest.war using the apihttp://localhost:8080/activiti-rest/service/runtime/process-instances‍‍‍‍‍request body : { &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; "processDefinitionKey":"cep_dispatch_process",&nbsp;&nbsp; "business Thu, 17 Jan 2019 09:08:08 GMT https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18962#M8387 mansoor 2019-01-17T09:08:08Z Re: rest api to start a process instance is holding request untill process instance is complete https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18963#M8388 <HTML><HEAD></HEAD><BODY><P>Hello Community</P></BODY></HTML> Thu, 02 May 2019 10:30:02 GMT https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18963#M8388 mansoor 2019-05-02T10:30:02Z Re: rest api to start a process instance is holding request untill process instance is complete https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18964#M8389 <P>Sorry, but I'm afraid that I'm not able to see the solution.</P> Fri, 18 Sep 2020 16:56:45 GMT https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18964#M8389 juanh 2020-09-18T16:56:45Z Re: rest api to start a process instance is holding request untill process instance is complete https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18965#M8390 <P>Service tasks are synchronous as default. Try marking your service task as asynchronous to get an immediate response in the REST call.</P> Wed, 23 Sep 2020 11:25:39 GMT https://connect.hyland.com/t5/alfresco-forum/rest-api-to-start-a-process-instance-is-holding-request-untill/m-p/18965#M8390 juanh 2020-09-23T11:25:39Z