[HDFS-2625] HA: TestDfsOverAvroRpc failing after introduction of HeartbeatResponse type

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: HA branch (HDFS-1623)
• Fix Version/s: HA branch (HDFS-1623)
• Component/s: ha, test
• Target Version/s: HA branch (HDFS-1623)
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 03/Dec/11 01:00
• Updated: 05/Dec/11 22:44
• Resolved: 05/Dec/11 06:39

Description

TestDfsOverAvroRpc is failing after HDFS-2616. The issue seems to be that we sometimes fill in the "commands" list in HeartbeatResponse with null to indicate no commands. This makes avro barf with a cryptic message about unions of nulls of unions of arrays of nulls or something.