Wangda Tan created YARN-8417:
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Summary: Should skip passing HDFS_HOME, HADOOP_CONF_DIR,
JAVA_HOME, etc. to Docker container.
Key: YARN-8417
URL: https://issues.apache.org/jira/browse/YARN-8417
Project: Hadoop YARN
Issue Type: Bug
Reporter: Wangda Tan
Currently, YARN NM passes JAVA_HOME, HDFS_HOME, CLASSPATH environments before
launching Docker container no matter if ENTRY_POINT is used or not. This will
overwrite environments defined inside Dockerfile (by using \{{ENV}}). For
Docker container, it actually doesn't make sense to pass JAVA_HOME, HDFS_HOME,
etc. because inside docker image we have a separate Java/Hadoop installed or
mounted to exactly same directory of host machine.
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