Thanks Alexander. Someone will review and merge your changes in the nearest time. Alex G., can you do that?
— Denis > On Jan 6, 2017, at 5:07 AM, Александр Меньшиков <sharple...@gmail.com> wrote: > > http://ci.ignite.apache.org/project.html?projectId=IgniteTests&tab=projectOverview&branch_IgniteTests=pull%2F1388%2Fmerge > > There are overview of tests. It seems okay. A little unclear because there > are tests which failed also in master branch. > > 2016-12-29 19:49 GMT+03:00 Denis Magda <dma...@apache.org>: > >> Alexander, thanks. >> >> Please move the ticket from “open” into “patch available” state in JIRA >> and run the tests on TeamCity. Refer to the details covered there >> https://cwiki.apache.org/confluence/display/IGNITE/How+ >> to+Contribute#HowtoContribute-1.CreateGitHubpull-request < >> https://cwiki.apache.org/confluence/display/IGNITE/How+ >> to+Contribute#HowtoContribute-1.CreateGitHubpull-request> >> >> — >> Denis >> >>> On Dec 29, 2016, at 3:45 AM, Александр Меньшиков <sharple...@gmail.com> >> wrote: >>> >>> Alexey, I'm already make pull request where throw exception in that >> place. >>> >>> https://github.com/apache/ignite/pull/1388/commits >>> >>> 2016-12-29 11:16 GMT+03:00 Alexey Goncharuk <alexey.goncha...@gmail.com >>> : >>> >>>> I think that If fallbacks(...) returns an empty nodes collection, then >> we >>>> should fail with an exception. >>>> >>>> 2016-12-28 22:06 GMT+03:00 Denis Magda <dma...@apache.org>: >>>> >>>>> Alexander, added you to the contributors list. Please check that you >> can >>>>> assign the ticket on yourself. >>>>> >>>>> — >>>>> Denis >>>>> >>>>>> On Dec 28, 2016, at 2:15 AM, Александр Меньшиков < >> sharple...@gmail.com >>>>> >>>>> wrote: >>>>>> >>>>>> >>>>>> Username: sharpler >>>>>> >>>>>> Full Name: Alexander Menshikov >>>>>> >>>>>> >>>>>> >>>>>> 2016-12-27 22:57 GMT+03:00 Denis Magda <dma...@apache.org <mailto: >>>>> dma...@apache.org>>: >>>>>> Alexander, >>>>>> >>>>>> I need to know your JIRA ID in order to add you to the contributors >>>> list. >>>>>> >>>>>> As for your questions, this situation might be caused by the race when >>>> a >>>>> cache is being stopped and there are still scan queries running in >>>>> parallel. So, in general it’s not about data loss. >>>>>> >>>>>> Sam, Alex G., could you share your thoughts in regards to the proper >>>> fix? >>>>>> >>>>>> — >>>>>> Denis >>>>>> >>>>>>> On Dec 26, 2016, at 2:43 AM, Александр Меньшиков < >>>> sharple...@gmail.com >>>>> <mailto:sharple...@gmail.com>> wrote: >>>>>>> >>>>>>> Hello everyone. >>>>>>> >>>>>>> I want to pick up *https://issues.apache.org/jira/browse/IGNITE-4487 >>>> < >>>>> https://issues.apache.org/jira/browse/IGNITE-4487> >>>>>>> <https://issues.apache.org/jira/browse/IGNITE-4487 < >>>>> https://issues.apache.org/jira/browse/IGNITE-4487>>* as my >>>>>>> first issue. >>>>>>> >>>>>>> Please add me as contributor. >>>>>>> >>>>>>> I already found that: in inner class >>>>>>> 'GridCacheQueryAdapter.ScanQueryFallbackClosableIterator' in >>>>> constructor is >>>>>>> called with method 'init()', but method 'init()' cannot be called >>>> with >>>>> an >>>>>>> empty field 'nodes'. In source code it looks like: >>>>>>> >>>>>>> private ScanQueryFallbackClosableIterator(int part, >>>>> GridCacheQueryAdapter >>>>>>> qry, >>>>>>> GridCacheQueryManager qryMgr, GridCacheContext cctx) { >>>>>>> this.qry = qry; >>>>>>> this.qryMgr = qryMgr; >>>>>>> this.cctx = cctx; >>>>>>> this.part = part; >>>>>>> >>>>>>> nodes = fallbacks(cctx.discovery().topologyVersionEx()); >>>>>>> // !!! Here nodes.isEmpty()==true, and init() will fail in >>>>> the >>>>>>> future. !!! >>>>>>> init(); >>>>>>> } >>>>>>> >>>>>>> I can fix it by adding some check in code, but i must know what >>>>> behavior >>>>>>> are best in this case? As I understand it, the list of nodes is empty >>>>> if >>>>>>> there are no nodes with the current partition, which means data loss, >>>>> and >>>>>>> either need to return a meaningful exception, or ignore this >>>>> situation. But >>>>>>> maybe I missed something. >>>>>> >>>>>> >>>>> >>>>> >>>> >> >>