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https://issues.apache.org/jira/browse/HDFS-6582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HDFS-6582:
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Component/s: nfs
> 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
> Components: nfs
> 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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