[HDFS-8741] Proper error msg to be printed when invalid operation type is given to WebHDFS operations

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: webhdfs
• Target Version/s: 2.9.0, 3.0.0-alpha4
• Hadoop Flags: Reviewed
• Assignee: Surendra Singh Lilhore
• Reporter: Archana T
• Created: 09/Jul/15 03:58
• Updated: 24/Apr/18 20:46
• Resolved: 06/Mar/17 11:07

Description

When wrong operation type is given to WebHDFS operations, following Error message is printed –

For ex: CREATE is called with GET instead of PUT--

HTTP/1.1 400 Bad Request
......
{"RemoteException":{"exception":"IllegalArgumentException","javaClassName":"java.lang.IllegalArgumentException","message":"Invalid value for webhdfs parameter \"op\": No enum constant org.apache.hadoop.hdfs.web.resources.PutOpParam.Op.CREATE"}}

Expected--
Valid Error message to be printed