[HDFS-2726] "Exception in createBlockOutputStream" shouldn't delete exception stack trace

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.1
• Assignee: Harsh J
• Reporter: Michael Bieniosek
• Created: 09/Sep/08 17:59
• Updated: 05/Mar/12 02:49
• Resolved: 29/Dec/11 07:23

Description

I'm occasionally (1/5000 times) getting this error after upgrading everything to hadoop-0.18:

08/09/09 03:28:36 INFO dfs.DFSClient: Exception in createBlockOutputStream java.io.IOException: Could not read from stream
08/09/09 03:28:36 INFO dfs.DFSClient: Abandoning block blk_624229997631234952_8205908

DFSClient contains the logging code:

LOG.info("Exception in createBlockOutputStream " + ie);

This would be better written with ie as the second argument to LOG.info, so that the stack trace could be preserved. As it is, I don't know how to start debugging.