I'm having a similar issue with the YARN clients in my cluster. When the password is set in Ambari and it has a special character of ">" the YARN Client interprets it as "&gt".  Example: Set passwd -  ba(PxO463$bd;> Passwd in the yarn core-site.xml lx963:/usr/hdp/2.6.5.0-292/hadoop-yarn/etc/hadoop #grep PxO463$bd core-site.xml <value>ba(PxO463$bd;&gt;</value> <value>ba(PxO463$bd;&gt;</value> Is there a workaround or fix for this? ... View more