[HADOOP-5348] Create a ThrowableWritable for serializing exceptions robustly

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 0.21.0
• Component/s: ipc
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 27/Feb/09 11:30
• Updated: 20/Jan/14 18:53
• Resolved: 20/Jan/14 18:53

Description

HADOOP-5201 and other issues would benefit from a stable representation of exceptions, one that can be sent over the network, maybe pushed out to web UIs and which we can be 100% sure that the far end will be able to handle if they have the hadoop-core JAR on their classpath.

Issue Links

• is depended upon by: HADOOP-5621 MapReducer to run junit tests under Hadoop
• is depended upon by: HDFS-326 Add a lifecycle interface for Hadoop components: namenodes, job clients, etc.
• is depended upon by: MAPREDUCE-253 getDiagnostics in TaskReport should return exceptions
• is depended upon by: HADOOP-5622 add a Pingable interface with a Ping() method for checking the health of things