I think the change reduces the chances to run into classloading issues in case there's a bug in Flink (= it is using the wrong CL)
I've filed a JIRA for the problem: https://issues.apache.org/jira/browse/FLINK-6031 On Fri, Feb 24, 2017 at 9:29 PM, Gyula Fóra <gyula.f...@gmail.com> wrote: > Hi, > I am wondering whether there is any scenario where the new way makes > anything better under normal circumstances. > > I can only see how it will break things in subtle ways. > > If you think there is any real benefit to the current approach I dont mind > having it as a default, otherwise I am in favor of reverting to the 1.1 > default. (My logic is that the user will only observe a difference in > behavior when the new setup actually causes problems) > > Gyula > > On Fri, Feb 24, 2017, 17:53 Robert Metzger <rmetz...@apache.org> wrote: > >> The JIRA (https://issues.apache.org/jira/browse/FLINK-4913) doesn't >> mention any particular user or use case. >> >> I honestly care so much if we enable or disable it by default. But since >> its the new default behavior of Flink 1.2. I'm against changing that in >> Flink 1.2.1, that's why I proposed to add a flag to disable it in 1.2.1, so >> that users upgrading from 1.2.0 to 1.2.1 don't notice it. >> >> On Fri, Feb 24, 2017 at 5:41 PM, Aljoscha Krettek <aljos...@apache.org> >> wrote: >> >> Did any user have problems with the Flink 1.1 behaviour? If not, we could >> disable it again, by default, and add a flag for adding the user jar to all >> the classpaths. >> >> On Fri, 24 Feb 2017 at 14:50 Robert Metzger <rmetz...@apache.org> wrote: >> >> I agree with you Gyula, this change is dangerous. I have seen another case >> from a user with Hadoop dependencies that crashed in Flink 1.2.0 that >> didn't in 1.1.x >> >> I wonder if we should introduce a config flag for Flink 1.2.1 to disable >> the behavior if needed. >> >> On Fri, Feb 24, 2017 at 2:27 PM, Ufuk Celebi <u...@apache.org> wrote: >> >> > On Fri, Feb 24, 2017 at 11:05 AM, Gyula Fóra <gyula.f...@gmail.com> >> wrote: >> > > I was not aware of this big change (I know it's my fault) but I am not >> > sure >> > > if I agree with the rationale. >> > >> > No comment on the actual issue from my side, but I strongly disagree >> > that this is your fault. We should have covered this better in the >> > release announcement in my opinion. Of course, this doesn't help now. >> > ;-) >> > >> > – Ufuk >> > >> >> >>