Handle S3Exception different since HDP2.2 doesn't put the jar file for S3Exception in the classpath for mapreduce mapper JVMs by default.
Handle S3Exception different since HDP2.2 doesn't put the jar file for
S3Exception in the classpath for mapreduce mapper JVMs by default.

See:
    http://hortonworks.com/community/forums/topic/s3n-error-for-hdp-2-2/

Add some more Log.POST cases for debugging.

elkingtonmcb/h2o-2,elkingtonmcb/h2o-2,elkingtonmcb/h2o-2,elkingtonmcb/h2o-2,elkingtonmcb/h2o-2,eg-zhang/h2o-2,calvingit21/h2o-2,h2oai/h2o-2,rowhit/h2o-2,vbelakov/h2o,rowhit/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,rowhit/h2o-2,eg-zhang/h2o-2,vbelakov/h2o,calvingit21/h2o-2,elkingtonmcb/h2o-2,eg-zhang/h2o-2,rowhit/h2o-2,rowhit/h2o-2,h2oai/h2o-2,111t8e/h2o-2,elkingtonmcb/h2o-2,calvingit21/h2o-2,h2oai/h2o-2,h2oai/h2o-2,h2oai/h2o,111t8e/h2o-2,eg-zhang/h2o-2,vbelakov/h2o,calvingit21/h2o-2,calvingit21/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,eg-zhang/h2o-2,h2oai/h2o-2,rowhit/h2o-2,eg-zhang/h2o-2,vbelakov/h2o,rowhit/h2o-2,calvingit21/h2o-2,eg-zhang/h2o-2,111t8e/h2o-2,eg-zhang/h2o-2,111t8e/h2o-2,h2oai/h2o-2,111t8e/h2o-2,111t8e/h2o-2,calvingit21/h2o-2,vbelakov/h2o,111t8e/h2o-2,eg-zhang/h2o-2,rowhit/h2o-2,h2oai/h2o,rowhit/h2o-2,h2oai/h2o-2,h2oai/h2o-2,vbelakov/h2o,111t8e/h2o-2,h2oai/h2o-2,calvingit21/h2o-2,h2oai/h2o,rowhit/h2o-2,vbelakov/h2o,calvingit21/h2o-2,vbelakov/h2o,eg-zhang/h2o-2,111t8e/h2o-2,h2oai/h2o,h2oai/h2o,h2oai/h2o,vbelakov/h2o,111t8e/h2o-2,h2oai/h2o,h2oai/h2o-2,calvingit21/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,vbelakov/h2o