[jira] [Created] (HDFS-12442) WebHdfsFileSystem#getFileBlockLocations will always return BlockLocation#corrupt as false

["Rushabh S Shah (JIRA)" <ji...@apache.org>]

Rushabh S Shah created HDFS-12442:
-------------------------------------

             Summary: WebHdfsFileSystem#getFileBlockLocations will always return BlockLocation#corrupt as false
                 Key: HDFS-12442
                 URL: https://issues.apache.org/jira/browse/HDFS-12442
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: webhdfs
    Affects Versions: 3.0.0-alpha2, 2.9.0
            Reporter: Rushabh S Shah
            Assignee: Rushabh S Shah
            Priority: Critical


Was going through {{JsonUtilClient#toBlockLocation}}
Below is the relevant code snippet.
{code:title=JsonUtilClient.java|borderStyle=solid}
 /** Convert a Json map to BlockLocation. **/
  static BlockLocation toBlockLocation(Map<?, ?> m)
      throws IOException{
    ...
    ...  
    boolean corrupt = Boolean.
        getBoolean(m.get("corrupt").toString());
    ...
    ...
  }
{code}
According to java docs for {{Boolean#getBoolean}}
{noformat}
Returns true if and only if the system property named by the argument exists and is equal to the string "true". 
{noformat}
I assume, the map value for key {{corrupt}} will be populated with either {{true}} or {{false}}.
On the client side, {{Boolean#getBoolean}} will look for system property for true or false.
So it will always return false unless the system property is set for true or false.



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