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From mxm <...@git.apache.org>
Subject [GitHub] flink pull request #2275: FLINK-3929 Support for Kerberos Authentication wit...
Date Wed, 27 Jul 2016 15:00:30 GMT
Github user mxm commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2275#discussion_r72456165
  
    --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/YarnApplicationMasterRunner.java
---
    @@ -125,29 +124,35 @@ protected int run(String[] args) {
     		try {
     			LOG.debug("All environment variables: {}", ENV);
     
    -			final String yarnClientUsername = ENV.get(YarnConfigKeys.ENV_CLIENT_USERNAME);
    +			final String yarnClientUsername = ENV.get(YarnConfigKeys.ENV_HADOOP_USER_NAME);
     			require(yarnClientUsername != null, "YARN client user name environment variable {}
not set",
    -				YarnConfigKeys.ENV_CLIENT_USERNAME);
    +				YarnConfigKeys.ENV_HADOOP_USER_NAME);
     
    -			final UserGroupInformation currentUser;
    -			try {
    -				currentUser = UserGroupInformation.getCurrentUser();
    -			} catch (Throwable t) {
    -				throw new Exception("Cannot access UserGroupInformation information for current user",
t);
    -			}
    +			final String currDir = ENV.get(Environment.PWD.key());
    +			require(currDir != null, "Current working directory variable (%s) not set", Environment.PWD.key());
    +			LOG.debug("Current working Directory: {}", currDir);
     
    -			LOG.info("YARN daemon runs as user {}. Running Flink Application Master/JobManager
as user {}",
    --- End diff --
    
    Could we keep this log output which prints out the user?


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