question Re: failed to execute distcp over cross-realm ambari hdp 3.1 clusters. in Support Questions

failed to execute distcp over cross-realm ambari hdp 3.1 clusters.

Muhammad_Waqas — Sat, 17 Aug 2019 22:18:20 GMT

hi,

I've two clusters running on hdp 3.1, both consists of single node and kerbeorized as well. I am trying to send a single file using distcp but failed.

got error(pictures attached)

even unable to list hdfs directories of other cluster on either of the cluster.

Thanks.

Re: failed to execute distcp over cross-realm ambari hdp 3.1 clusters.

Shelton — Tue, 28 May 2019 03:59:27 GMT

@Muhammad waqas

The Kerberos ticket error is due to lack of configuration for cross REALM authentication, this is what you need to do to successfully copy files between 2 REALM.

Kerberos cross-realm trust for distcp

Following diligently the steps mentioned here.

Re: failed to execute distcp over cross-realm ambari hdp 3.1 clusters.

Muhammad_Waqas — Tue, 28 May 2019 16:50:06 GMT

thanks Geoffrey

I'm able to send data from one cluster to other but not in reverse direcion (showing error same as mentioned above)and second thing whenever i add capaths in /etc/krb5.conf file, it's start showing error.

Please help me to figure it out too.
thanks again.

Re: failed to execute distcp over cross-realm ambari hdp 3.1 clusters.

ask_bill_brooks — Thu, 30 May 2019 01:41:08 GMT

The above was originally posted in the Community Help Track. On Wed May 29 18:31 UTC 2019, a member of the HCC moderation staff moved it to the Security track. The Community Help Track is intended for questions about using the HCC site itself.