Hi Sameera, I will check it and update.
Thanks. On Wed, Jul 8, 2015 at 11:10 AM, Sameera Jayasoma <[email protected]> wrote: > Hi Jagath, > > Can you debug and see whey the stack becomes empty? Thats a serious > problem. Stack should be become empty here. > > Checking whether the stack is empty will stop the error log, but it > doesn't fix the actual problem here. > > On Wed, Jul 8, 2015 at 10:50 AM, Sameera Jayasoma <[email protected]> > wrote: > >> I understand, but we need to understand why that stack becomes empty. >> AFAIK, if we follow the proper APIs, stack should not become empty >> >> On Tue, Jul 7, 2015 at 5:47 PM, Kasun Indrasiri <[email protected]> wrote: >> >>> Yeah, we should always check for an empty stack. >>> >>> On Tue, Jul 7, 2015 at 5:17 PM, Malaka Silva <[email protected]> wrote: >>> >>>> 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 >>>>> >>>>> >>>> >>>> >>>> -- >>>> >>>> Best Regards, >>>> >>>> Malaka Silva >>>> Senior Tech Lead >>>> M: +94 777 219 791 >>>> Tel : 94 11 214 5345 >>>> Fax :94 11 2145300 >>>> Skype : malaka.sampath.silva >>>> LinkedIn : http://www.linkedin.com/pub/malaka-silva/6/33/77 >>>> Blog : http://mrmalakasilva.blogspot.com/ >>>> >>>> WSO2, Inc. >>>> lean . enterprise . middleware >>>> http://www.wso2.com/ >>>> http://www.wso2.com/about/team/malaka-silva/ >>>> <http://wso2.com/about/team/malaka-silva/> >>>> >>>> Save a tree -Conserve nature & Save the world for your future. Print >>>> this email only if it is absolutely necessary. >>>> >>>> _______________________________________________ >>>> Dev mailing list >>>> [email protected] >>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>>> >>>> >>> >>> >>> -- >>> Kasun Indrasiri >>> Software Architect >>> WSO2, Inc.; http://wso2.com >>> lean.enterprise.middleware >>> >>> cell: +94 77 556 5206 >>> Blog : http://kasunpanorama.blogspot.com/ >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> >> >> >> -- >> Sameera Jayasoma, >> Software Architect, >> >> WSO2, Inc. (http://wso2.com) >> email: [email protected] >> blog: http://blog.sameera.org >> twitter: https://twitter.com/sameerajayasoma >> flickr: http://www.flickr.com/photos/sameera-jayasoma/collections >> Mobile: 0094776364456 >> >> Lean . Enterprise . Middleware >> >> > > > -- > Sameera Jayasoma, > Software Architect, > > WSO2, Inc. (http://wso2.com) > email: [email protected] > blog: http://blog.sameera.org > twitter: https://twitter.com/sameerajayasoma > flickr: http://www.flickr.com/photos/sameera-jayasoma/collections > Mobile: 0094776364456 > > Lean . Enterprise . Middleware > > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Jagath Ariyarathne Technical Lead WSO2 Inc. http://wso2.com/ Email: [email protected] Mob : +94 77 386 7048
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