Github user steveloughran commented on a diff in the pull request: https://github.com/apache/spark/pull/15594#discussion_r89787175 --- Diff: sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIService.scala --- @@ -57,7 +59,24 @@ private[hive] class SparkSQLCLIService(hiveServer: HiveServer2, sqlContext: SQLC case e @ (_: IOException | _: LoginException) => throw new ServiceException("Unable to login to kerberos with given principal/keytab", e) } - } + + // Also try creating a UGI object for the SPNego principal + val principal = hiveConf.getVar(ConfVars.HIVE_SERVER2_SPNEGO_PRINCIPAL) + val keyTabFile = hiveConf.getVar(ConfVars.HIVE_SERVER2_SPNEGO_KEYTAB) + if (principal.isEmpty() || keyTabFile.isEmpty()) { + getAncestorField[Log](this, 3, "LOG").info( --- End diff -- I don't know about the specific log policy here; but I do think using reflection to get a private stuff is dangerous. I know it happens a lot in this code but at some point it'd be nice to move it. you don't need to use reflection to get the same log as a parent, just go ``` LoggerFactory.getLog("org.apache.hive.thrift...whatever").info(s"something $key") ``` This is cleaner and not going to break if hive ever change logging frameworks.
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