topic Concurrency Problem in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159948#M113968 <HTML><HEAD></HEAD><BODY><SPAN>Hi all,</SPAN><BR /><SPAN>I'm doing a proof of concept to see if we use Activiti in my company, I use version 5.14 integrated with Spring, Hibernate (with mysql) and Maven.</SPAN><BR /><SPAN>I have problems to managing concurrency, when I try obtain a processInstance using the next method: RuntimeService.startProcessInstanceByKey(…)</SPAN><BR /><BR /><SPAN>The problem is fixed if I make "syncronized" that part of the code. </SPAN><BR /><SPAN>Is it the best way to handle concurrency? is possible to use threads? How could I handle it?</SPAN><BR /></BODY></HTML> Thu, 16 Jan 2014 17:50:08 GMT jwalink 2014-01-16T17:50:08Z Concurrency Problem https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159948#M113968 Hi all,I'm doing a proof of concept to see if we use Activiti in my company, I use version 5.14 integrated with Spring, Hibernate (with mysql) and Maven.I have problems to managing concurrency, when I try obtain a processInstance using the next method: RuntimeService.startProcessInstanceByKey(…)The Thu, 16 Jan 2014 17:50:08 GMT https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159948#M113968 jwalink 2014-01-16T17:50:08Z Re: Concurrency Problem https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159949#M113969 <HTML><HEAD></HEAD><BODY><SPAN>Hi.</SPAN><BR /><BR /><SPAN>Could you create jUnit test for it please?</SPAN><BR /><SPAN>Template: </SPAN><A href="http://forums.activiti.org/content/sticky-how-write-unit-test" rel="nofollow noopener noreferrer">http://forums.activiti.org/content/sticky-how-write-unit-test</A><BR /><BR /><SPAN>Regards</SPAN><BR /><SPAN>Martin</SPAN></BODY></HTML> Thu, 16 Jan 2014 19:51:31 GMT https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159949#M113969 martin_grofcik 2014-01-16T19:51:31Z Re: Concurrency Problem https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159950#M113970 <HTML><HEAD></HEAD><BODY><SPAN>What is actually the problem? Multiple threads can call the startProcessByXXX(..) simultaneously without any issue. They will all start a separate process-instance. Do you want to limit the amount of process-instances started for a process-definition?</SPAN></BODY></HTML> Fri, 17 Jan 2014 08:01:38 GMT https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159950#M113970 frederikherema1 2014-01-17T08:01:38Z Re: Concurrency Problem https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159951#M113971 <HTML><HEAD></HEAD><BODY><SPAN>My problem happened because the number of database connections was less than the number of threads opened to execute RuntimeService.startProcessInstanceByKey(…).</SPAN><BR /><SPAN>Thanks.</SPAN></BODY></HTML> Tue, 21 Jan 2014 15:28:06 GMT https://connect.hyland.com/t5/alfresco-archive/concurrency-problem/m-p/159951#M113971 jwalink 2014-01-21T15:28:06Z