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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