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Allen Wittenauer edited comment on HADOOP-13335 at 7/5/16 6:42 PM: ------------------------------------------------------------------- hadoop jar does not include any of the following yarn content that is normally initialized during the yarn-config.sh bootstrap: * anything defined in yarn-env.sh * some YARN\_\*\_DIR * some YARN\_\*\_OPT and YARN\_\*\_OPTS * YARN\_\*\_CLASSPATH If anything wants to talk to yarn in any way/shape/form and use hadoop's bootstrap code, they really, really, really should be using yarn jar. Otherwise there is a risk that some things may get mis-configured. We won't be able to clean this up until 4.x. (3.x finally deprecates a lot of this craziness from the project split back that happened in 0.22...) was (Author: aw): hadoop jar does not include any of the following yarn content that is normally initialized during the yarn-config.sh bootstrap: * anything defined in yarn-env.sh * some YARN_*_DIR * some YARN_*_OPT and YARN_*_OPTS * YARN_*_CLASSPATH If anything wants to talk to yarn in any way/shape/form and use hadoop's bootstrap code, they really, really, really should be using yarn jar. Otherwise there is a risk that some things may get mis-configured. We won't be able to clean this up until 4.x. (3.x finally deprecates a lot of this craziness from the project split back that happened in 0.22...) > Add an option to suppress the 'use yarn jar' warning or remove it > ----------------------------------------------------------------- > > Key: HADOOP-13335 > URL: https://issues.apache.org/jira/browse/HADOOP-13335 > Project: Hadoop Common > Issue Type: Improvement > Affects Versions: 2.7.0 > Reporter: Siddharth Seth > > https://issues.apache.org/jira/browse/HADOOP-11257 added a 'deprecation' > warning for 'hadoop jar'. > hadoop jar is used for a lot more that starting jobs. As an example - hive > uses it to start all it's services (HiveServer2, the hive client, beeline > etc). > Using 'yarn jar' for to start these services / tools doesn't make a lot of > sense - there's no relation to yarn other than requiring the classpath to > include yarn libraries. > I'd propose reverting the changes where this message is printed if YARN > variables are set (leave it in the help message), or adding a mechanism which > would allow users to suppress this WARNING. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org