[jira] [Created] (HDFS-13261) Incorrect null value check

["Jianfei Jiang (JIRA)" <ji...@apache.org>]

Jianfei Jiang created HDFS-13261:
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             Summary: Incorrect null value check
                 Key: HDFS-13261
                 URL: https://issues.apache.org/jira/browse/HDFS-13261
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs
    Affects Versions: 3.0.0, 2.8.3
            Reporter: Jianfei Jiang
            Assignee: Jianfei Jiang


 
{code:java}
public void setZoneName(final String name) {
  Preconditions.checkNotNull(name == null)-------error parameter for checkNotNull
  zoneName = name;
}
{code}
Like above, in 3.x, the checkNotNull function gets wrong parameter in two cases: \{{ZoneReencryptionStatus#setZoneName}} and \{{AdminHelper#HelpCommand#HelpCommand}}

In 2.x, the error occurs once in \{{AdminHelper#HelpCommand#HelpCommand}}

 



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