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Falcon Server fails to start

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Falcon Server fails to start

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[root@sandbox-hdp falcon-0.11]# ./bin/falcon-start                                                                                                                                                                                                             Hadoop is installed, adding hadoop classpath to falcon classpath                                                                                                                                                                                               /home/falcon/falcon/distro/target/falcon-0.11                                                                                                                                                                                                                  falcon started using hadoop version:  Hadoop 2.7.3.2.6.5.0-292                                                                                                                                                                                                 [root@sandbox-hdp falcon-0.11]# bin/falcon admin -version                                                                                                                                                                                                      Hadoop is installed, adding hadoop classpath to falcon classpath                                                                                                                                                                                               SLF4J: Class path contains multiple SLF4J bindings.                                                                                                                                                                                                            SLF4J: Found binding in [jar:file:/home/falcon/falcon/distro/target/falcon-0.11/client/lib/falcon-shell-0.11.jar!/org/slf4j/impl/StaticLoggerBinder.class]                                                                                                     SLF4J: Found binding in [jar:file:/home/falcon/falcon/distro/target/falcon-0.11/client/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]

SLF4J: Found binding in [jar:file:/usr/hdp/2.6.5.0-292/hadoop/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]                                                                                                                           SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.                                                                                                                                                                               SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]                                                                                                                                                                                           ERROR: Unable to initialize Falcon Client object. Cause : Could not authenticate, Authentication failed, status: 503, message: Service Unavailable 

I am running this on Sandbox with Hadoop Version: Hadoop 2.7.3.2.6.5.0-292