I think we need to check isEmpty as well.
On Tue, Jul 7, 2015 at 3:41 PM, Jagath Sisirakumara Ariyarathne <
[email protected]> wrote:
> Hi,
>
> I am working on [1] and found that the cause of the exception mentioned
> below is in the code segment in
> org.wso2.carbon.context.internal.CarbonContextDataHolder
> in carbon.utils.
>
> public void endTenantFlow() {
>
> Stack<CarbonContextDataHolder> carbonContextDataHolders =
> parentContextHolderStack.get();
> if (carbonContextDataHolders != null) {
> currentContextHolder.set(carbonContextDataHolders.pop());
> }
> }
>
> *Exception :*
>
> java.util.EmptyStackException
> at java.util.Stack.peek(Stack.java:102)
> at java.util.Stack.pop(Stack.java:84)
> at
> org.wso2.carbon.context.internal.CarbonContextDataHolder.endTenantFlow(CarbonContextDataHolder.java:1291)
> at
> org.wso2.carbon.context.PrivilegedCarbonContext.endTenantFlow(PrivilegedCarbonContext.java:75)
> at
> org.wso2.carbon.ntask.core.impl.TaskQuartzJobAdapter.execute(TaskQuartzJobAdapter.java:69)
> at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
>
> Issue occurs when it tries to pop elements from carbonContextDataHolders
> stack when it is empty.
>
> Is it a possible scenario that this stack being empty and shouldn't it be
> handled at CarbonContextDataHolder (check isEmpty in stack)?
>
> [1] - https://wso2.org/jira/browse/ESBJAVA-3832
>
> Thanks
>
> --
> Jagath Ariyarathne
> Technical Lead
> WSO2 Inc. http://wso2.com/
> Email: [email protected]
> Mob : +94 77 386 7048
>
>
--
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