[HADOOP-14864] FSDataInputStream#unbuffer UOE should include stream class name

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.6.4
• Fix Version/s: 2.9.0, 3.0.0-beta1, 2.8.3, 3.1.0
• Component/s: fs
• Labels: newbie supportability
• Assignee: Bharat Viswanadham
• Reporter: John Zhuge
• Created: 12/Sep/17 23:58
• Updated: 15/Sep/17 20:57
• Resolved: 14/Sep/17 18:38

Description

The current exception message:

org/apache/hadoop/fs/ failed: error:
UnsupportedOperationException: this stream does not support unbuffering.java.lang.UnsupportedOperationException: this stream does not support unbuffering.
        at org.apache.hadoop.fs.FSDataInputStream.unbuffer(FSDataInputStream.java:233)

Issue Links

• relates to: IMPALA-5909 File handle cache causes HDFS to log excessive errors when trying to unbuffer files