Jonathan Hurley created AMBARI-20065:
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Summary: Livy server start failed after downgrade with missing
livy.server.kerberos.keytab error
Key: AMBARI-20065
URL: https://issues.apache.org/jira/browse/AMBARI-20065
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.5.0
Reporter: Jonathan Hurley
Assignee: Jonathan Hurley
Priority: Critical
Fix For: 2.5.0
*STR*
# Deployed cluster with Ambari 2.4.2.0-136 and HDP version: 2.5.3.0-37
# Upgrade Ambari to 2.5.0.0-863
# Perform EU to 2.6.0.0 and at finalize screen, start downgrade
# Let downgrade complete
# Observe the status of Livy Server after downgrade is successful
*Result:*
Livy server reports down and log says:
{code}
17/02/10 15:10:44 INFO LivyServer: Using spark-submit version 1.6.2
17/02/10 15:10:46 INFO LivyServer: SPNEGO auth enabled (principal =
HTTP/[email protected])
Exception in thread "main" java.lang.IllegalArgumentException: requirement
failed: Kerberos requires livy.server.kerberos.keytab to be provided.
at scala.Predef$.require(Predef.scala:233)
at com.cloudera.livy.server.LivyServer.runKinit(LivyServer.scala:173)
at com.cloudera.livy.server.LivyServer.start(LivyServer.scala:134)
at com.cloudera.livy.server.LivyServer$.main(LivyServer.scala:277)
at com.cloudera.livy.server.LivyServer.main(LivyServer.scala)
{code}
On Livy host, I see the following keytab:
{code}
root@natd76-ypis-erm16tofndwngdsec-d7-6:/var/log/livy# ls -lhrt
/etc/security/keytabs/livy.service.keytab
-r-------- 1 livy hadoop 543 Feb 10 00:09
/etc/security/keytabs/livy.service.keytab
{code}
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