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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