@naveensangam  @jepe_desu  In reference to Invalid KDC administrator credentials issue raised by @naveensangam    I wrote a walkthrough of the solution that resolved the issue for other users like @jepe_desu  who had encountered exactly the same problem.  @naveensangam  can you update the thread if my solution resolved your issue or if not can you share what errors you have. Once you accept an answer it can be referenced by other members for similar issues rather than starting a new thread.    Happy  hadooping   ... View more

If you want to be sure whether one of the two components is updating the password, consider checking the md5sum before and after you change it (and make sure to change it to a different value). ... View more

Hi Eddie, I am not using self-signed Certificate. But using CA Certificate. As per the link : https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.5.3/bk_security/content/ch_obtain-trusted-cert.html : 4.1. Obtain a Certificate from a Trusted Third-Party Certification Authority (CA) can you please clarify below situation If we have 6 service accounts ( like hive ,base , hdfs , oozie ...) and say it is 10 node cluster, 1) Do we need to generate 6 X 10 , java keystore file ( .jsk) 2) And for each of this .jsk file , we need create thier respective CSR file . In this example there will be 60 .csr fils 3) Submit these 60 .csr to CA team to get individual (60) , certificate with extension .pem. 4) And all these 60 .pem need to import to truststore , on 10 individual nodes? Thanks Naveen. ... View more

Even i faced the same problem while upgrading the HDP version. I just logged into Ranger UI as admin user, and in the user section i reset the same password for "admin" and "amb_ranger_admin" users and restarted ranger service. This worked for me. ... View more