[HDFS-6582] Missing null check in RpcProgramNfs3#read(XDR, SecurityHandler)

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.6.0
• Component/s: nfs
• Hadoop Flags: Reviewed
• Assignee: Abhiraj Butala
• Reporter: Ted Yu
• Created: 20/Jun/14 21:25
• Updated: 01/Dec/14 03:11
• Resolved: 11/Aug/14 21:39

Description

Around line 691:

        FSDataInputStream fis = clientCache.getDfsInputStream(userName,
            Nfs3Utils.getFileIdPath(handle));

        try {
          readCount = fis.read(offset, readbuffer, 0, count);

fis may be null, leading to NullPointerException