Hi Sarthak, Happy to help. Could you please share the jobmanager/taskmanager log and flink conf again?
Also, Flink 1.4.0 has a regression on kerberos security (keytab path in TaskManager is set incorrectly) , which is fixed on 1.4.1. (see https://issues.apache.org/jira/browse/FLINK-8275) Shuyi On Mon, Apr 2, 2018 at 3:44 PM, Shuyi Chen <suez1...@gmail.com> wrote: > Hi Sarthak, > > Happy to help. Could you please share the jobmanager/taskmanager log and > flink conf again? > > Also, Flink 1.4.0 has a regression on kerberos security (keytab path in > TaskManager is set incorrectly) , which is fixed on 1.4.1. (see > https://issues.apache.org/jira/browse/FLINK-8275) > > Shuyi > > On Mon, Mar 26, 2018 at 2:35 AM, Timo Walther <twal...@apache.org> wrote: > >> Hi Sarthak, >> >> I'm not a Kerberos expert but maybe Eron or Shuyi are more familiar with >> the details? >> >> Would be great if somebody could help. >> >> Thanks, >> Timo >> >> Am 22.03.18 um 10:16 schrieb Sahu, Sarthak 1. (Nokia - IN/Bangalore): >> >> Hi Folks, >> >> >> >> *Environment Setup:* >> >> 1. I have configured KDC 5 server. >> 2. Configured Kerberos in zookeeper-3.4.10 wherein I can able to >> connect ZooKeeper Server/Client via Kerberos authentication. >> 3. Now flink-1.4.0 has configured for Kerberos authentication as per >> below instruction. >> >> >> - https://ci.apache.org/projects/flink/flink-docs-release-1.4/ >> ops/config.html#kerberos-based-security >> >> <https://ci.apache.org/projects/flink/flink-docs-release-1.4/ops/config.html#kerberos-based-security> >> - https://ci.apache.org/projects/flink/flink-docs-release-1.4/ >> ops/config.html#kerberos-based-security-1 >> >> <https://ci.apache.org/projects/flink/flink-docs-release-1.4/ops/config.html#kerberos-based-security-1> >> >> *Success Scenario:* >> >> 1. All Kerberos configuration parameter is correct and >> flink/zookeeper able to connect trough TGT. >> >> *Problem:* >> >> 1. Even if wrong Kerberos credentials given, flink able to connect >> ZooKeeper. >> >> >> >> Please find the taskmanager/jobmanger logs and flink config file for both >> scenario attached. >> >> >> >> Hoping for quick resolution. >> >> >> >> Regards >> >> Sarthak Sahu >> >> >> >> >> > > > -- > "So you have to trust that the dots will somehow connect in your future." > -- "So you have to trust that the dots will somehow connect in your future."
