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 <malin...@wso2.com> wrote:
> Thank you. I will have a look.
>
> On Thu, Nov 5, 2015 at 2:10 PM, Akalanka Pagoda Arachchi <
> darsha...@wso2.com> 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 <malin...@wso2.com>
>> 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 <
>>> darsha...@wso2.com> 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*
>>>>
>>>
>>>
>>>
>>> --
>>> *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*
>>
>
>
>
> --
> *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*
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