Ivan, please, clarify. How your investigation are related to 2.7 release? Do you think it's a release blocker? If yes, please, describe impact to users and how users can reproduce this issue.
пн, 3 дек. 2018 г., 9:30 Ivan Fedotov ivanan...@gmail.com: > I've created the PR <https://github.com/apache/ignite/pull/5550> which > includes changes <https://github.com/1vanan/ignite/commits/before-MVCC> > just before integration MVCC with Continuous Query and from the TeamCity > < > https://ci.ignite.apache.org/viewLog.html?buildId=2434057&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_ContinuousQuery1 > > > it is clear that before this changes the > test testAtomicOnheapTwoBackupAsyncFullSync is green. > > Also Roman Kondakov gave his view on this problem in the comments > <https://issues.apache.org/jira/browse/IGNITE-10376>. Now the problem > becomes more understandable, but the root reason is still unclear. > > May be a few of you have any suggestions why hang of threads on the binary > metadata registration future appears? > > пт, 30 нояб. 2018 г. в 13:48, Ivan Fedotov <ivanan...@gmail.com>: > > > Igor, thank you for explanation. > > > > Now it seems that when the one thread tries to invoke > > GridCacheMapEntry#touch, the another one makes > > GridCacheProcessor#stopCache. If I am wrong, please feel free to correct > me. > > > > But it still does not clear for me why this fail appears after commit > > < > https://github.com/apache/ignite/commit/51a202a4c48220fa919f47147bd4889033cd35a8> > which > > is about MVCC. Moreover, NPE appears only with BinaryObjectException, and > > when the test is green, I can not find NPE in the log. > > > > Now I tried to run test locally 1000 times on the version before MVCC and > > could not find error on this concretely case (but it exists the another > > one > > < > https://github.com/apache/ignite/blob/master/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/query/continuous/CacheContinuousQueryOrderingEventTest.java#L426> > which > > is about assertion on received events). > > > > пт, 30 нояб. 2018 г. в 13:37, Roman Kondakov <kondako...@mail.ru.invalid > >: > > > >> Nikolay, > >> > >> I couldn't quickly find the root cause of this problem because I'm not > >> an expert in the binary metadata flow. I think community should decide > >> whether this is a release blocker or not. > >> > >> > >> -- > >> Kind Regards > >> Roman Kondakov > >> > >> On 30.11.2018 13:23, Nikolay Izhikov wrote: > >> > Hello, Roman. > >> > > >> > Is this issue blocks the 2.7 release? > >> > > >> > пт, 30 нояб. 2018 г., 13:19 Roman Kondakov kondako...@mail.ru.invalid > : > >> > > >> >> Hi all! > >> >> > >> >> I've reproduced this problem locally and attached the log to the > ticket > >> >> in my comment [1]. > >> >> > >> >> As Igor noted, NPE there is caused by node stop in the end of the > test. > >> >> The real problem here seems to be in the binary metadata registration > >> flow. > >> >> > >> >> > >> >> [1] > >> >> > >> >> > >> > https://issues.apache.org/jira/browse/IGNITE-10376?focusedCommentId=16704510&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16704510 > >> >> > >> >> -- > >> >> Kind Regards > >> >> Roman Kondakov > >> >> > >> >> On 30.11.2018 11:56, Seliverstov Igor wrote: > >> >>> Null pointer there due to cache stop. Look at > GridCacheContext#cleanup > >> >>> (GridCacheContext.java:2050) > >> >>> which is called by GridCacheProcessor#stopCache > >> >>> (GridCacheProcessor.java:1372) > >> >>> > >> >>> That's why at the time GridCacheMapEntry#touch > >> >> (GridCacheMapEntry.java:5063) > >> >>> invoked there is no eviction manager. > >> >>> > >> >>> This is a result of "normal" flow because message processing doesn't > >> >> enter > >> >>> cache gate like user API does. > >> >>> > >> >>> пт, 30 нояб. 2018 г. в 10:26, Nikolay Izhikov <nizhi...@apache.org > >: > >> >>> > >> >>>> Ivan. Please, provide a link for a ticket with NPE stack trace > >> attached. > >> >>>> > >> >>>> I've looked at IGNITE-10376 and can't see any attachments. > >> >>>> > >> >>>> пт, 30 нояб. 2018 г., 10:14 Ivan Fedotov ivanan...@gmail.com: > >> >>>> > >> >>>>> Igor, > >> >>>>> NPE is available in a full log, now I also attached it in the > >> ticket. > >> >>>>> > >> >>>>> IGNITE-7953 > >> >>>>> < > >> >>>>> > >> >> > >> > https://github.com/apache/ignite/commit/51a202a4c48220fa919f47147bd4889033cd35a8 > >> >>>>> was commited on the 15 October. I could not take a look on the > >> >>>>> testAtomicOnheapTwoBackupAsyncFullSync before this date, because > the > >> >>>> oldest > >> >>>>> test in the history on TC dates 12 November. > >> >>>>> > >> >>>>> So, I tested it locally and could not reproduce mentioned error. > >> >>>>> > >> >>>>> чт, 29 нояб. 2018 г. в 20:07, Seliverstov Igor < > >> gvvinbl...@gmail.com>: > >> >>>>> > >> >>>>>> Ivan, > >> >>>>>> > >> >>>>>> Could you provide a bit more details? > >> >>>>>> > >> >>>>>> I don't see any NPE among all available logs. > >> >>>>>> > >> >>>>>> I don't think the issue is caused by changes in scope of > >> IGNITE-7953. > >> >>>>>> The test fails both before > >> >>>>>> < > >> >>>>>> > >> >> > >> > https://ci.ignite.apache.org/viewLog.html?buildId=2318582&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_ContinuousQuery4#testNameId3300126853696550025 > >> >>>>>> and after > >> >>>>>> < > >> >>>>>> > >> >> > >> > https://ci.ignite.apache.org/viewLog.html?buildId=2345403&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_ContinuousQuery4#testNameId3300126853696550025 > >> >>>>>> the > >> >>>>>> commit was merged to master with almost the same stack trace. > >> >>>>>> > >> >>>>>> Regards, > >> >>>>>> Igor > >> >>>>>> > >> >>>>>> чт, 29 нояб. 2018 г. в 18:43, Yakov Zhdanov <yzhda...@apache.org > >: > >> >>>>>> > >> >>>>>>> Vladimir, can you please take a look at > >> >>>>>>> https://issues.apache.org/jira/browse/IGNITE-10376? > >> >>>>>>> > >> >>>>>>> --Yakov > >> >>>>>>> > >> >>>>> -- > >> >>>>> Ivan Fedotov. > >> >>>>> > >> >>>>> ivanan...@gmail.com > >> >>>>> > >> > > > > > > -- > > Ivan Fedotov. > > > > ivanan...@gmail.com > > > > > -- > Ivan Fedotov. > > ivanan...@gmail.com >