Yes you may need to upgrade to Zookeeper v3.5.5. I added some details about this to the migration guidance page on the wiki but we may need to make this more clear.
https://cwiki.apache.org/confluence/display/NIFI/Migration+Guidance Nathan On Fri, Nov 8, 2019 at 2:07 PM Joe Witt <[email protected]> wrote: > ...hmmm good point. We need to clarify this in the migration guide and > possibly elsewhere! > > Thanks > > On Fri, Nov 8, 2019 at 1:18 PM Jeff Zemerick <[email protected]> wrote: > >> Pierre, thanks for confirming what I was seeing. >> >> Jeff >> >> On Fri, Nov 8, 2019 at 12:08 PM Pierre Villard < >> [email protected]> wrote: >> >>> Hi Jeff, >>> >>> I came to the same observation on my side as well. Upgrading to ZK 3.5.5 >>> did solve my issues. >>> >>> Pierre >>> >>> Le ven. 8 nov. 2019 à 18:04, Jeff Zemerick <[email protected]> a >>> écrit : >>> >>>> Hi, >>>> >>>> I've been using NiFi 1.9.2 with an external ZooKeeper 3.4. After >>>> upgrading to NiFi 1.10.0 it appears that the external ZooKeeper needs to be >>>> updated to 3.5.5 per NIFI-6578 [1]. (I get lots of ZooKeeper-related errors >>>> in 1.10.0's log with 3.4 but 3.5.5 works fine.) I just wanted to verify >>>> this is correct and I'm not running into some other issue with NiFi 1.10.0 >>>> and ZooKeeper 3.4. I kind of expected the 3.5 client to be backward >>>> compatible with 3.4 but maybe it is not. >>>> >>>> Thanks, >>>> Jeff >>>> >>>> [1] https://issues.apache.org/jira/browse/NIFI-6578 >>>> >>>
