Ted Yu created HDFS-6582:
----------------------------
Summary: Missing null check in RpcProgramNfs3#read(XDR,
SecurityHandler)
Key: HDFS-6582
URL: https://issues.apache.org/jira/browse/HDFS-6582
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Ted Yu
Priority: Minor
Around line 691:
{code}
FSDataInputStream fis = clientCache.getDfsInputStream(userName,
Nfs3Utils.getFileIdPath(handle));
try {
readCount = fis.read(offset, readbuffer, 0, count);
{code}
fis may be null, leading to NullPointerException
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