Details
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Bug
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Status: Resolved
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Critical
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Resolution: Fixed
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2.5.0
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None
Description
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:
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/natd76-ypis-erm16tofndwngdsec-d7-6.openstacklocal@EXAMPLE.COM)
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)
On Livy host, I see the following keytab:
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
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