[HBASE-14276] NPE when setting up stub for connection to master if secure connect is refused

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Assignee: Unassigned
• Reporter: Andrew Kyle Purtell
• Created: 20/Aug/15 21:10
• Updated: 01/Jul/22 21:02
• Resolved: 04/Oct/16 23:29

Description

If an insecure client contacts a secure cluster we can get an NPE when setting up the stub for the master connection. We should throw an IOException with a clear message, and not retry if possible to distinguish this case.

Found in 0.98 but might be relevant for later branches

Aug 20, 2015 12:04:31 AM org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper <init>
INFO: Process identifier=hconnection-0x3c1e23ff connecting to ZooKeeper ensemble=x.x.x.x:2181,x.x.x.x:2181,x.x.x.x:2181
Aug 20, 2015 12:04:31 AM org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation makeStub
INFO: getMaster attempt 1 of 35 failed; retrying after sleep of 100, exception=com.google.protobuf.ServiceException: java.lang.NullPointerException
Aug 20, 2015 12:04:31 AM org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation makeStub
INFO: getMaster attempt 2 of 35 failed; retrying after sleep of 200, exception=com.google.protobuf.ServiceException: java.io.IOException: Call to xxxx/x.x.x.x:60000 failed on local exception: java.io.EOFException
Aug 20, 2015 12:04:31 AM org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation makeStub