[jira] [Created] (HDFS-14379) WebHdfsFileSystem.toUrl double encodes characters

["Boris Vulikh (JIRA)" <ji...@apache.org>]

Boris Vulikh created HDFS-14379:
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             Summary: WebHdfsFileSystem.toUrl double encodes characters
                 Key: HDFS-14379
                 URL: https://issues.apache.org/jira/browse/HDFS-14379
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs, hdfs-client
    Affects Versions: 3.2.0
            Reporter: Boris Vulikh


When using DistCP over HTTPFS with data that contains Spark partitions, DistCP fails to access the partitioned parquet files since the "=" characters in file path gets double encoded:
 {{"/test/spark/partition/year=2019/month=1/day=1"}}
 to
 {{"/test/spark/partition/year%253D2019/month%253D1/day%253D1"}}

This happens since {{fsPathItem}} containing the character {color:#d04437}'='{color} is encoded by {{URLEncoder._encode_(fsPathItem, "UTF-8")}} to {color:#d04437}'%3D'{color} and then encoded again by {{new Path(....)}} to {color:#d04437}'%253D'{color}.



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