Hi Akalanka, I see some issue how you initiate parallel test run in testng.xml
<test name="tests-amqpparallel" preserve-order="false" parallel="true" thread-count="10"> parallel= true is mainly used in test method level to run test methods parallel once you add this to suite level(testNG.xml) it will trigger all test methods in test suites run parallel. I dont think our architecture can support this. So what you can do is run tests parallel in class level, you can refer tag below to support that. <*suite* name="tests-amqp-parallel" parallel="classes" thread-count="10" > And please update testNg version of your test suite above 6.8 (latest is 6.9.9) where lots of improvements were introduced in those later versions. And other thing you can try our is make test suites run parallel. <suite name="Test-class Suite" parallel="tests" thread-count="2"> for this you can add several test tags inside testng.xml and those test suites will run in parallel. Thank you, Dharshana. On Thu, Nov 5, 2015 at 2:21 PM, Akalanka Pagoda Arachchi <[email protected] > wrote: > Hi Malitha, > > Thanks for taking a look at this. > > All our test cases are extended from MBIntegrationBaseTest [1]. Within > each test's prepare method, we invoke the 'init' method of this class. The > exception is occuring when invoking the line > backendURL = automationContext.getContextUrls().getBackEndUrl(); > > We have added a synchronise block there as well trying to rectify this > issue. > > [1] - > https://github.com/wso2/product-mb/blob/master/modules/integration/tests-common/integration-tests-utils/src/main/java/org/wso2/mb/integration/common/utils/backend/MBIntegrationBaseTest.java > > Thanks, > Akalanka. > > On Thu, Nov 5, 2015 at 2:12 PM, Malintha Adikari <[email protected]> > wrote: > >> Thank you. I will have a look. >> >> On Thu, Nov 5, 2015 at 2:10 PM, Akalanka Pagoda Arachchi < >> [email protected]> wrote: >> >>> Hi Malintha, >>> >>> The testng.xml file is located in [1]. >>> >>> The test cases failing are different in each run, at the moment test >>> [2], and [3] have failed in jenkins. >>> >>> Please note that although this is frequent in jenkins, when doing a >>> local run, this issue is rarely occurring. Furthermore, this issue did not >>> occur when the tests are run sequentially. We made it to run in parallel >>> since it will save more time when building. >>> >>> [1] - >>> https://github.com/wso2/product-mb/blob/master/modules/integration/tests-integration/tests-amqp/src/test/resources/testng.xml >>> [2] - >>> https://github.com/wso2/product-mb/blob/master/modules/integration/tests-integration/tests-amqp/src/test/java/org/wso2/mb/integration/tests/amqp/functional/AutoAcknowledgementsTestCase.java >>> [3] - >>> https://github.com/wso2/product-mb/blob/master/modules/integration/tests-integration/tests-amqp/src/test/java/org/wso2/mb/integration/tests/amqp/functional/DurableTopicSubscriptionTestCase.java >>> >>> Thanks, >>> Akalanka. >>> >>> >>> On Thu, Nov 5, 2015 at 1:51 PM, Malintha Adikari <[email protected]> >>> wrote: >>> >>>> Hi Akalanka, >>>> >>>> Can you point me to the test case which you are trying to run in >>>> parallel. >>>> >>>> Regards, >>>> Malintha >>>> >>>> On Thu, Nov 5, 2015 at 11:47 AM, Akalanka Pagoda Arachchi < >>>> [email protected]> wrote: >>>> >>>>> Hi All, >>>>> >>>>> When we configure to run automation tests in parallel, following error >>>>> is thrown intermittently. >>>>> >>>>> I"ve enabled to run 10 threads in parallel with the following config >>>>> in testng.xml file. >>>>> >>>>> <test name="tests-amqp-parallel" preserve-order="false" >>>>> parallel="true" thread-count="10"> >>>>> >>>>> Stacktrace >>>>> >>>>> java.lang.NullPointerException >>>>> at org.apache.xerces.dom.ParentNode.nodeListGetLength(Unknown Source) >>>>> at org.apache.xerces.dom.ParentNode.getLength(Unknown Source) >>>>> at >>>>> org.wso2.carbon.automation.engine.context.AutomationContext.extractUser(AutomationContext.java:307) >>>>> at >>>>> org.wso2.carbon.automation.engine.context.AutomationContext.getSuperTenant(AutomationContext.java:286) >>>>> at >>>>> org.wso2.carbon.automation.engine.context.AutomationContext.getContextTenant(AutomationContext.java:336) >>>>> at >>>>> org.wso2.carbon.automation.engine.context.AutomationContext.getContextUrls(AutomationContext.java:477) >>>>> at >>>>> org.wso2.mb.integration.common.utils.backend.MBIntegrationBaseTest.init(MBIntegrationBaseTest.java:59) >>>>> at >>>>> org.wso2.mb.integration.tests.amqp.functional.AutoAcknowledgementsTestCase.prepare(AutoAcknowledgementsTestCase.java:61) >>>>> >>>>> >>>>> There are kind of similar issue reported regarding DOM usage with threads >>>>> [1]. This is happening when initialising each test with following two >>>>> lines. >>>>> >>>>> >>>>> automationContext = new AutomationContext("MB", userMode); >>>>> >>>>> backendURL = >>>>> automationContext.getContextUrls().getBackEndUrl(); >>>>> >>>>> >>>>> Any idea on this? >>>>> >>>>> >>>>> Thanks, >>>>> >>>>> Akalanka >>>>> >>>>> >>>>> [1] - https://issues.apache.org/jira/browse/XERCESJ-727 >>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> *Darshana Akalanka Pagoda Arachchi,* >>>>> *Software Engineer* >>>>> *078-4721791 <078-4721791>* >>>>> >>>> >>>> >>>> >>>> -- >>>> *Malintha Adikari* >>>> Software Engineer >>>> WSO2 Inc.; http://wso2.com >>>> lean.enterprise.middleware >>>> >>>> Mobile: +94 71 2312958 >>>> Blog: http://malinthas.blogspot.com >>>> Page: http://about.me/malintha >>>> >>> >>> >>> >>> -- >>> *Darshana Akalanka Pagoda Arachchi,* >>> *Software Engineer* >>> *078-4721791 <078-4721791>* >>> >> >> >> >> -- >> *Malintha Adikari* >> Software Engineer >> WSO2 Inc.; http://wso2.com >> lean.enterprise.middleware >> >> Mobile: +94 71 2312958 >> Blog: http://malinthas.blogspot.com >> Page: http://about.me/malintha >> > > > > -- > *Darshana Akalanka Pagoda Arachchi,* > *Software Engineer* > *078-4721791 <078-4721791>* > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Dharshana Warusavitharana Senior Software Engineer , Test Automation WSO2 Inc. http://wso2.com email : [email protected] <[email protected]> Tel : +94 11 214 5345 Fax :+94 11 2145300 cell : +94770342233 blog : http://dharshanaw.blogspot.com lean . enterprise . middleware
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