[HADOOP-9740] FsShell's Text command does not read avro data files stored on HDFS

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.5-alpha
• Fix Version/s: 2.6.0
• Component/s: fs
• Labels: patch
• Hadoop Flags: Reviewed
• Assignee: Allan Yan
• Reporter: Allan Yan
• Created: 17/Jul/13 06:12
• Updated: 01/Dec/14 03:08
• Resolved: 13/Aug/13 23:14

Description

HADOOP-8597 added support for reading avro data files from FsShell Text command. However, it does not work with files stored on HDFS. Here is the error message:

$hadoop fs -text hdfs://localhost:8020/test.avro
-text: URI scheme is not "file"
Usage: hadoop fs [generic options] -text [-ignoreCrc] <src> ...

The problem is because the File constructor complains not able to recognize hdfs:// scheme in during AvroFileInputStream initialization.

There is a unit TestTextCommand.java under hadoop-common project. However it only tested files in local file system. I created a similar one under hadoop-hdfs project using MiniDFSCluster. Please see attached maven unit test error message with full stack trace for more details.