[HDFS-14773] SWEBHDFS closes the connection before a client can read the error response for a DSQuotaExceededException

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.7.0
• Component/s: webhdfs
• Assignee: Unassigned
• Reporter: Simbarashe Dzinamarira
• Created: 23/Aug/19 22:26
• Updated: 01/Jun/20 19:31

Description

When a DSQuotaExceededException is encountered using swebhdfs, the connection is closed before the client can read the error response. This does not happen for webhdfs.

Attached is a patch for a test case that exposes the bug.

You can recreate the bug on a live cluster using the steps below.

1) Create a directory and set a space quota

hdfs mkdir <directory-with-quota>

hdfs dfsadmin -setSpaceQuota <N> <directory-with-quota> 

2) Write a file whose size exceeds the quota, using swebhdfs.

curl -L -i --negotiate -u : -X PUT -T largeFile "<namenode-url>:<port>/webhdfs/v1/<directory-with-quota>/largeFile?op=CREATE"