[jira] [Created] (HDFS-13409) FilterFileSystem#setConf does not update the configuration

["Ahmed Eldawy (JIRA)" <ji...@apache.org>]

Ahmed Eldawy created HDFS-13409:
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             Summary: FilterFileSystem#setConf does not update the configuration
                 Key: HDFS-13409
                 URL: https://issues.apache.org/jira/browse/HDFS-13409
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Ahmed Eldawy


FilterFileSystem keeps its own copy of Configuration which is separate from the underlying filtered file system. When you call FilterFileSystem#setConf, it updates its own private configuration which is not accessible. When you call FilterFileSystem#getConf, it returns the Configuration of the underlying FileSystem. Please look at the code snippet below.

Configuration conf = new Configuration();
FileSystem fs = FileSystem.get(conf);
FilterFileSystem ffs = new FilterFileSystem(fs);
Configuration conf2 = new Configuration();
conf2.set("foo", "bar");
ffs.setConf(conf2);
assertEquals("bar", ffs.getConf().get("foo")); // This assertion should pass but it fails

 

To solve this problem, we need to implement the following function in FilterFileSystem

@Override

public void setConf(Configuration conf) {
fs.setConf(conf);
}



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