[HIVE-11089] Hive Streaming: connection fails when using a proxy user UGI - ASF JIRA

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~~HIVE-7508~~ "Add Kerberos Support" seems to also remove the ability to specify a proxy user.

~~HIVE-8427~~ adds a call to ugi.hasKerberosCredentials() to check whether the connection is supposed to be a secure connection.

This however breaks support for Proxy Users as a proxy user UGI will always return false to hasKerberosCredentials().

See lines 273, 274 of HiveEndPoint.java

this.secureMode = ugi==null ? false : ugi.hasKerberosCredentials();
this.msClient = getMetaStoreClient(endPoint, conf, secureMode);

It also seems that between 13.1 and 0.14 the newConnection() method that includes a proxy user has been removed.

is related to

HIVE-7508 Kerberos support for streaming

HIVE-8427 Hive Streaming : secure streaming hangs leading to time outs.

HIVE-14114 Ensure RecordWriter in streaming API is using the same UserGroupInformation as StreamingConnection