topic Upgrade from 5.7 to 5.10 concurrency issues in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103142#M71878 <HTML><HEAD></HEAD><BODY><SPAN>Hi there,</SPAN><BR /><BR /><SPAN>We have had a test running for almost a year without ever failing. I recently upgraded our engine from 5.7 to 5.10 and suddenly the test started failing intermittently. The test is specifically to test the RetryInterceptor for OptimiticLockingExceptions. Here is the stack trace. On line 155, the only thing that can cause an NPE is that the execution is null:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />java.lang.NullPointerException<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:155)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.CompleteTaskCmd.completeTask(CompleteTaskCmd.java:63)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:57)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:28)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.RetryInterceptor.execute(RetryInterceptor.java:50)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:144)<BR />&nbsp;&nbsp;&nbsp;at OptimisticLockingTest.testConcurrentTransactions(OptimisticLockingTest.java:51)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<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></CODE></PRE><BR /><SPAN>Here is the test:</SPAN><BR /><PRE class="language-none line-numbers"><CODE><BR />import java.util.List;<BR /><BR />import org.activiti.engine.RuntimeService;<BR />import org.activiti.engine.TaskService;<BR />import org.activiti.engine.task.Task;<BR />import org.activiti.engine.test.Deployment;<BR />import org.activiti.spring.impl.test.SpringActivitiTestCase;<BR />import org.junit.Before;<BR />import org.junit.Test;<BR />import org.springframework.beans.factory.annotation.Autowired;<BR />import org.springframework.test.context.ContextConfiguration;<BR /><BR />@SuppressWarnings({"SpringJavaAutowiringInspection"})<BR />@ContextConfiguration("classpath:process-test-context.xml")<BR />//@Ignore("This started failing intermittently after 5.10 upgrade")<BR />public class OptimisticLockingTest extends SpringActivitiTestCase {<BR /><BR />&nbsp;&nbsp;&nbsp; @Autowired private RuntimeService runtimeService;<BR />&nbsp;&nbsp;&nbsp; @Autowired private TaskService taskService;<BR /><BR />&nbsp;&nbsp;&nbsp; @Before<BR />&nbsp;&nbsp;&nbsp; public void setUp() {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; runtimeService.startProcessInstanceByKey("process-entries-test");<BR />&nbsp;&nbsp;&nbsp; }<BR /><BR />&nbsp;&nbsp;&nbsp; @Test<BR />&nbsp;&nbsp;&nbsp; @Deployment(resources = {"process-entries-test.activiti.bpmn"})<BR />&nbsp;&nbsp;&nbsp; public void testConcurrentTransactions() throws InterruptedException {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; List&lt;Task&gt; tasks = taskService.createTaskQuery().list();<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // complete the first task<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (Task task : tasks) {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; taskService.complete(task.getId());<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; final List&lt;Task&gt; concurrentTasks = taskService.createTaskQuery().list();<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; assertEquals(2, concurrentTasks.size());<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Thread t = new Thread() {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public void run() {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; taskService.complete(concurrentTasks.get(0).getId());<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; };<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; t.start();<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Thread.sleep(1);<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; taskService.complete(concurrentTasks.get(1).getId());<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; t.join();<BR /><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; assertTrue("All tasks should have been completed", taskService.createTaskQuery().list().isEmpty());<BR /><BR />&nbsp;&nbsp;&nbsp; }<BR />}<BR /><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>‍</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><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>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>And here is the process:</SPAN><BR /><PRE class="language-none line-numbers"><CODE><BR />&lt;?xml version="1.0" encoding="UTF-8"?&gt;<BR />&lt;definitions xmlns="<A href="http://www.omg.org/spec/BPMN/20100524/MODEL" rel="nofollow noopener noreferrer">http://www.omg.org/spec/BPMN/20100524/MODEL</A>" xmlns:xsi="<A href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema-instance</A>" xmlns:activiti="<A href="http://activiti.org/bpmn" rel="nofollow noopener noreferrer">http://activiti.org/bpmn</A>" xmlns:bpmndi="<A href="http://www.omg.org/spec/BPMN/20100524/DI" rel="nofollow noopener noreferrer">http://www.omg.org/spec/BPMN/20100524/DI</A>" xmlns:omgdc="<A href="http://www.omg.org/spec/DD/20100524/DC" rel="nofollow noopener noreferrer">http://www.omg.org/spec/DD/20100524/DC</A>" xmlns:omgdi="<A href="http://www.omg.org/spec/DD/20100524/DI" rel="nofollow noopener noreferrer">http://www.omg.org/spec/DD/20100524/DI</A>" typeLanguage="<A href="http://www.w3.org/2001/XMLSchema" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema</A>" expressionLanguage="<A href="http://www.w3.org/1999/XPath" rel="nofollow noopener noreferrer">http://www.w3.org/1999/XPath</A>" targetNamespace="<A href="http://www.activiti.org/test" rel="nofollow noopener noreferrer">http://www.activiti.org/test</A>"&gt;<BR />&nbsp; &lt;process id="process-entries-test" name="process-entries-test"&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;userTask id="usertask1" name="Task1" activiti:assignee="kermit"&gt;&lt;/userTask&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;userTask id="usertask2" name="Task2" activiti:assignee="kermit"&gt;&lt;/userTask&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;userTask id="usertask3" name="User Task" activiti:candidateGroups="sales"&gt;&lt;/userTask&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow2" name="" sourceRef="parallelgateway1" targetRef="usertask1"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow3" name="" sourceRef="parallelgateway1" targetRef="usertask2"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow6" name="" sourceRef="usertask3" targetRef="parallelgateway1"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;parallelGateway id="parallelgateway1" name="Parallel Gateway"&gt;&lt;/parallelGateway&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;startEvent id="startevent1" name="Start"&gt;&lt;/startEvent&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow7" name="" sourceRef="startevent1" targetRef="usertask3"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;endEvent id="endevent1" name="End"&gt;&lt;/endEvent&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow8" name="" sourceRef="usertask1" targetRef="endevent1"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;sequenceFlow id="flow9" name="" sourceRef="usertask2" targetRef="endevent1"&gt;&lt;/sequenceFlow&gt;<BR />&nbsp; &lt;/process&gt;<BR />&nbsp; &lt;bpmndi:BPMNDiagram id="BPMNDiagram_process-entries-test"&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNPlane bpmnElement="process-entries-test" id="BPMNPlane_process-entries-test"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdc:Bounds height="55" width="105" x="460" y="100"&gt;&lt;/omgdc:Bounds&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNShape&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdc:Bounds height="55" width="105" x="460" y="251"&gt;&lt;/omgdc:Bounds&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNShape&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNShape bpmnElement="usertask3" id="BPMNShape_usertask3"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdc:Bounds height="55" width="105" x="235" y="171"&gt;&lt;/omgdc:Bounds&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNShape&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNShape bpmnElement="parallelgateway1" id="BPMNShape_parallelgateway1"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdc:Bounds height="40" width="40" x="372" y="178"&gt;&lt;/omgdc:Bounds&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNShape&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdc:Bounds height="35" width="35" x="130" y="181"&gt;&lt;/omgdc:Bounds&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNShape&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdc:Bounds height="35" width="35" x="600" y="181"&gt;&lt;/omgdc:Bounds&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNShape&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="392" y="178"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="391" y="127"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="460" y="127"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNEdge&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="392" y="218"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="391" y="278"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="460" y="278"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNEdge&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="340" y="198"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="372" y="198"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNEdge&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="165" y="198"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="235" y="198"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNEdge&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="565" y="127"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="617" y="127"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="617" y="181"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNEdge&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;bpmndi:BPMNEdge bpmnElement="flow9" id="BPMNEdge_flow9"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="565" y="278"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="617" y="279"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;omgdi:waypoint x="617" y="216"&gt;&lt;/omgdi:waypoint&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNEdge&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;/bpmndi:BPMNPlane&gt;<BR />&nbsp; &lt;/bpmndi:BPMNDiagram&gt;<BR />&lt;/definitions&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>‍</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><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>‍</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></BODY></HTML> Fri, 05 Oct 2012 09:22:24 GMT walterjs 2012-10-05T09:22:24Z Upgrade from 5.7 to 5.10 concurrency issues https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103142#M71878 Hi there,We have had a test running for almost a year without ever failing. I recently upgraded our engine from 5.7 to 5.10 and suddenly the test started failing intermittently. The test is specifically to test the RetryInterceptor for OptimiticLockingExceptions. Here is the stack trace. On line 155 Fri, 05 Oct 2012 09:22:24 GMT https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103142#M71878 walterjs 2012-10-05T09:22:24Z Re: Upgrade from 5.7 to 5.10 concurrency issues https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103143#M71879 <HTML><HEAD></HEAD><BODY><SPAN>Can you make a unittest like described here:</SPAN><BR /><BR /><A href="http://forums.activiti.org/en/viewtopic.php?f=6&amp;t=4645" rel="nofollow noopener noreferrer">http://forums.activiti.org/en/viewtopic.php?f=6&amp;t=4645</A><BR /><BR /><SPAN>That way it is way easier to run…</SPAN></BODY></HTML> Fri, 05 Oct 2012 11:12:26 GMT https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103143#M71879 ronald_van_kuij 2012-10-05T11:12:26Z Re: Upgrade from 5.7 to 5.10 concurrency issues https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103144#M71880 <HTML><HEAD></HEAD><BODY><SPAN>Yes, I can do that, but it succeeds 9 times out of 10. </SPAN><BR /><BR /><SPAN>I just wanted to see if somebody has encountered this before and what has changed around concurrency from version 5.7.</SPAN><BR /><BR /><SPAN>Thanks</SPAN><BR /><SPAN>Walter</SPAN></BODY></HTML> Fri, 05 Oct 2012 12:03:15 GMT https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103144#M71880 walterjs 2012-10-05T12:03:15Z Re: Upgrade from 5.7 to 5.10 concurrency issues https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103145#M71881 <HTML><HEAD></HEAD><BODY><SPAN>i do not knw the details, but there have been changes (for the better I'd hope) in the area of concurrency. </SPAN><BR /><BR /><SPAN>That it succeeds 9 out of 10 is not a problem, but the unittest is easier to run directly instead of creating a project etc..</SPAN></BODY></HTML> Fri, 05 Oct 2012 13:34:15 GMT https://connect.hyland.com/t5/alfresco-archive/upgrade-from-5-7-to-5-10-concurrency-issues/m-p/103145#M71881 ronald_van_kuij 2012-10-05T13:34:15Z