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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