[jira] [Created] (HDFS-17246) Fix shaded client for building Hadoop on Windows

["Gautham Banasandra (Jira)" <ji...@apache.org>]

Gautham Banasandra created HDFS-17246:
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             Summary: Fix shaded client for building Hadoop on Windows
                 Key: HDFS-17246
                 URL: https://issues.apache.org/jira/browse/HDFS-17246
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs-client
    Affects Versions: 3.4.0
         Environment: Windows 10
            Reporter: Gautham Banasandra
            Assignee: Gautham Banasandra
             Fix For: 3.4.0


Currently, the *shaded client* Yetus personality in Hadoop fails to build on Windows - https://github.com/apache/hadoop/blob/4c04a6768c0cb3d5081cfa5d84ffb389d92f5805/dev-support/bin/hadoop.sh#L541-L615.

This happens due to the integration test failures in Hadoop client modules - https://github.com/apache/hadoop/tree/4c04a6768c0cb3d5081cfa5d84ffb389d92f5805/hadoop-client-modules/hadoop-client-integration-tests.

There are several issues that need to be addressed in order to get the integration tests working -
# Set the HADOOP_HOME, needed by the Mini DFS and YARN clusters spawned by the integration tests.
# Add Hadoop binaries to PATH, so that winutils.exe can be located.
# Create a new user with Symlink privilege in the Docker image. This is needed for the proper working of Mini YARN cluster, spawned by the integration tests.
# Fix a bug in DFSUtilClient.java that prevents colon (:) in the path. The colon is used a delimiter for the PATH variable while specifying multiple paths. However, this isn't a delimiter in the case of Windows and must be handled appropriately.



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