Github user mxm commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2275#discussion_r79355618
  
    --- Diff: 
flink-yarn/src/main/java/org/apache/flink/yarn/cli/FlinkYarnSessionCli.java ---
    @@ -460,9 +463,27 @@ public static void runInteractiveCli(YarnClusterClient 
yarnCluster, boolean read
                }
        }
     
    -   public static void main(String[] args) {
    -           FlinkYarnSessionCli cli = new FlinkYarnSessionCli("", ""); // 
no prefix for the YARN session
    -           System.exit(cli.run(args));
    +   public static void main(final String[] args) {
    +           final FlinkYarnSessionCli cli = new FlinkYarnSessionCli("", "", 
true); // no prefix for the YARN session
    +
    +           String confDirPath = 
CliFrontend.getConfigurationDirectoryFromEnv();
    +           GlobalConfiguration.loadConfiguration(confDirPath);
    +           Configuration flinkConfiguration = 
GlobalConfiguration.loadConfiguration();
    +           
flinkConfiguration.setString(ConfigConstants.FLINK_BASE_DIR_PATH_KEY, 
confDirPath);
    +           try {
    +                   SecurityContext.install(new 
SecurityContext.SecurityConfiguration().setFlinkConfiguration(flinkConfiguration));
    +                   int retCode = 
SecurityContext.getInstalled().runSecured(new 
SecurityContext.FlinkSecuredRunner<Integer>() {
    +                           @Override
    +                           public Integer run() {
    +                                   return cli.run(args);
    +                           }
    +                   });
    +                   System.exit(retCode);
    +           } catch(Exception e) {
    +                   e.printStackTrace();
    +                   LOG.error("Exception Occured. Reason: {}", e);
    --- End diff --
    
    The signature is `error(String msg, Throwable t)`. You can remove the 
"Reason: {}".


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