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## What changes were proposed in this pull request? Spark ThriftServer will call UGI.loginUserFromKeytab twice in initialization. This is unnecessary and will cause various potential problems, like Hadoop IPC failure after 7 days, or RM failover issue and so on. So here we need to remove all the unnecessary login logics and make sure UGI in the context never be created again. Note this is actually a HS2 issue, If later on we upgrade supported Hive version, the issue may already be fixed in Hive side. ## How was this patch tested? Local verification in secure cluster. Author: jerryshao <sshao@hortonworks.com> Closes #21178 from jerryshao/SPARK-24110. |
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