[jira] [Created] (HDFS-5449) WebHdfs compatibility broken between 2.2 and 1.x / 23.x

["Kihwal Lee (JIRA)" <ji...@apache.org>]

Kihwal Lee created HDFS-5449:
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             Summary: WebHdfs compatibility broken between 2.2 and 1.x / 23.x
                 Key: HDFS-5449
                 URL: https://issues.apache.org/jira/browse/HDFS-5449
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Kihwal Lee
            Priority: Blocker


Similarly to HDFS-5403, getFileBlockLocations() fail between old (1.x, 0.23.x) and new (2.x), but this is worse since both directions won't work.  This is caused by the removal of "name" field from the serialized json format of DatanodeInfo. 

2.x namenode should include "name" (ip:port) in the response and 2.x webhdfs client should use "name", if "ipAddr" and "xferPort" don't exist in the response. 



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