Hello Again,
I have a small correction to make... It didn't start after the upgrade
to 3.5.6, but just in the middle of a day at 14:50 on 21st.... And the
upgrade to 3.5.6 didn't automagically solve it....
So any help to find the cause of this would be great.
Thanks
Sebastian
On 25-Oct-19 11:05 AM, Sebastian Schmitz wrote:
Hello,
I did a rolling upgrade of the Zookeeper from 3.4.14 to 3.5.6 on 23rd
in my Test-Environment. It's zookeeping a three node Kafka-Cluster
running on 2.3.0.
After the update I get spammed with these warnings:
Oct 25 10:56:23 zookeeper_node_1: 2019-10-24 21:56:23,119 [myid:1] -
WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:23 zookeeper_node_2: 2019-10-24 21:56:23,478 [myid:2] -
WARN [NIOWorkerThread-1:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:23 zookeeper_node_3: 2019-10-24 21:56:23,531 [myid:3] -
WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:23 zookeeper_node_1: 2019-10-24 21:56:23,776 [myid:1] -
WARN [NIOWorkerThread-8:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:23 zookeeper_node_2: 2019-10-24 21:56:23,879 [myid:2] -
WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:24 zookeeper_node_3: 2019-10-24 21:56:24,086 [myid:3] -
WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:24 zookeeper_node_1: 2019-10-24 21:56:24,090 [myid:1] -
WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:24 zookeeper_node_2: 2019-10-24 21:56:24,497 [myid:2] -
WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:24 zookeeper_node_3: 2019-10-24 21:56:24,601 [myid:3] -
WARN [NIOWorkerThread-1:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:24 zookeeper_node_1: 2019-10-24 21:56:24,798 [myid:1] -
WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:24 zookeeper_node_3: 2019-10-24 21:56:24,904 [myid:3] -
WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:25 zookeeper_node_2: 2019-10-24 21:56:25,007 [myid:2] -
WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:25 zookeeper_node_1: 2019-10-24 21:56:25,260 [myid:1] -
WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:25 zookeeper_node_3: 2019-10-24 21:56:25,467 [myid:3] -
WARN [NIOWorkerThread-8:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:25 zookeeper_node_2: 2019-10-24 21:56:25,619 [myid:2] -
WARN [NIOWorkerThread-8:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:25 zookeeper_node_1: 2019-10-24 21:56:25,666 [myid:1] -
WARN [NIOWorkerThread-7:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_3: 2019-10-24 21:56:25,923 [myid:3] -
WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_2: 2019-10-24 21:56:26,178 [myid:2] -
WARN [NIOWorkerThread-5:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_1: 2019-10-24 21:56:26,329 [myid:1] -
WARN [NIOWorkerThread-1:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_3: 2019-10-24 21:56:26,484 [myid:3] -
WARN [NIOWorkerThread-3:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_2: 2019-10-24 21:56:26,792 [myid:2] -
WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_3: 2019-10-24 21:56:26,890 [myid:3] -
WARN [NIOWorkerThread-7:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:26 zookeeper_node_1: 2019-10-24 21:56:26,888 [myid:1] -
WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:27 zookeeper_node_2: 2019-10-24 21:56:27,347 [myid:2] -
WARN [NIOWorkerThread-7:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:27 zookeeper_node_1: 2019-10-24 21:56:27,354 [myid:1] -
WARN [NIOWorkerThread-4:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:27 zookeeper_node_3: 2019-10-24 21:56:27,662 [myid:3] -
WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:27 zookeeper_node_3: 2019-10-24 21:56:27,810 [myid:3] -
WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:27 zookeeper_node_1: 2019-10-24 21:56:27,811 [myid:1] -
WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:27 zookeeper_node_2: 2019-10-24 21:56:27,816 [myid:2] -
WARN [NIOWorkerThread-2:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:28 zookeeper_node_2: 2019-10-24 21:56:28,366 [myid:2] -
WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
Oct 25 10:56:28 zookeeper_node_1: 2019-10-24 21:56:28,474 [myid:1] -
WARN [NIOWorkerThread-6:NIOServerCnxn@370] - Exception causing close
of session 0x0: null
A quick search didn't return anything, but my guess is that it might
have to do with the upgrade from 3.4.14 and maybe old stuff remaining?
So any idea for what to check or do would be greatly appreciated.
Thanks
Sebastian
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