Oscar Guadilla created HDFS-11189:
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Summary: WebHDFS and FollowRedirects
Key: HDFS-11189
URL: https://issues.apache.org/jira/browse/HDFS-11189
Project: Hadoop HDFS
Issue Type: Bug
Components: webhdfs
Affects Versions: 2.7.3
Environment: We are using webhdfs from a j2ee environment with java 6.
In the web application we have a lot of libraries: spring, jersey, jackson...
Reporter: Oscar Guadilla
In some cases with simple operations (get file - non two step operation) we
detect that FollowRedirects flag of http comes as "false" and it makes webhdfs
crash.
We don't really know which library change this behavior and it is really
strange because the change is done directly in the jvm because in other
wars/ears of the same j2ee server it fails also. If we restart the j2ee server
it starts working again.
To fix the problem we changed the WebHdfsFileSystem class adding
"setInstanceFollowRedirects(true)" in the connection management instead of
supposing that it should be true and it works fine.
The same problem arises both in 1.x and 2.x webhdfs. We didn't test in 3.x
Could you fix it? We did it in our environment but it would fine in it could be
included in the next releases.
Thanks in advance,
Oscar
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