topic Async service tasks on clustered applications in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/async-service-tasks-on-clustered-applications/m-p/192711#M145841 <HTML><HEAD></HEAD><BODY><SPAN>Hello!</SPAN><BR /><BR /><SPAN>I have 2 applications running on the same database.</SPAN><BR /><SPAN>Both of them start processes like this:</SPAN><BR /><PRE class="language-none line-numbers"><CODE><BR />for (i = 0; i &lt; msgNbr; i++) {<BR />&nbsp;&nbsp;&nbsp;Map&lt;String, Object&gt; dataMap = Data.prepareData(testOptions);<BR />&nbsp;&nbsp;&nbsp;runtimeService.startProcessInstanceByKey("asyncTransferProcess", dataMap);<BR />}<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>First service task in process is async:</SPAN><BR /><PRE class="language-none line-numbers"><CODE><BR />&lt;serviceTask id="serviceTask1" name="ServiceTask1" activiti:exclusive="true"<BR />&nbsp;&nbsp;&nbsp; activiti:class="com.test.activiti.async.ServiceTask1"&gt;&lt;/serviceTask&gt;<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>Async executors configuration:</SPAN><BR /><PRE class="language-none line-numbers"><CODE><BR />&lt;property name="asyncExecutor" ref="asyncExecutor" /&gt;<BR />&lt;property name="asyncExecutorEnabled" value="true" /&gt;<BR />&lt;property name="asyncExecutorActivate" value="true" /&gt;<BR /><BR />&lt;bean id="asyncExecutor" class="org.activiti.engine.impl.asyncexecutor.DefaultAsyncJobExecutor"&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="corePoolSize" value="20" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="maxPoolSize" value="50" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="keepAliveTime" value="3000" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="queueSize" value="200" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="maxTimerJobsPerAcquisition" value="2" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="maxAsyncJobsDuePerAcquisition" value="2" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="defaultAsyncJobAcquireWaitTimeInMillis" value="1000" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="defaultTimerJobAcquireWaitTimeInMillis" value="1000" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="timerLockTimeInMillis" value="60000" /&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;property name="asyncJobLockTimeInMillis" value="60000" /&gt;<BR />&lt;/bean&gt;<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>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>The problem is that i get ActivitiOptimisticLockingException when applications try to run processes.</SPAN><BR /><SPAN>Exception in thread "pool-1-thread-15" org.activiti.engine.ActivitiOptimisticLockingException: JobEntity [id=347615] was updated by another transaction concurrently</SPAN><BR /><BR /><SPAN>Is there any hint how to run several apps with async processes on same DB?</SPAN></BODY></HTML> Fri, 24 Jul 2015 07:24:12 GMT victor1 2015-07-24T07:24:12Z Async service tasks on clustered applications https://connect.hyland.com/t5/alfresco-archive/async-service-tasks-on-clustered-applications/m-p/192711#M145841 Hello!I have 2 applications running on the same database.Both of them start processes like this:for (i = 0; i &lt; msgNbr; i++) {&nbsp;&nbsp;&nbsp;Map&lt;String, Object&gt; dataMap = Data.prepareData(testOptions);&nbsp;&nbsp;&nbsp;runtimeService.startProcessInstanceByKey("asyncTransferProcess", dataMap);}‍‍‍‍‍‍First service task Fri, 24 Jul 2015 07:24:12 GMT https://connect.hyland.com/t5/alfresco-archive/async-service-tasks-on-clustered-applications/m-p/192711#M145841 victor1 2015-07-24T07:24:12Z Re: Async service tasks on clustered applications https://connect.hyland.com/t5/alfresco-archive/async-service-tasks-on-clustered-applications/m-p/192712#M145842 <HTML><HEAD></HEAD><BODY><SPAN>Such exceptions are expected: you have multiple nodes trying to lock the same job most likely, but only one can win.</SPAN></BODY></HTML> Tue, 28 Jul 2015 12:25:50 GMT https://connect.hyland.com/t5/alfresco-archive/async-service-tasks-on-clustered-applications/m-p/192712#M145842 jbarrez 2015-07-28T12:25:50Z