https://community.cloudera.com/t5/Support-Questions/NN-failed-during-setting-up-cross-realm-trust-between/m-p/229426#M191280 <A rel="user" href="https://community.cloudera.com/users/17949/rakanchi.html" nodeid="17949">@rakanchi</A><P>Currently Ambari does not support the definition of multiple Nameservices. It always assumed hdfs_site['dfs.nameservices'] is just a string defining one nameservice. </P><P>Known ambari bug : <A href="https://issues.apache.org/jira/browse/AMBARI-15506" target="_blank">https://issues.apache.org/jira/browse/AMBARI-15506</A> . Fixed in 2.4.0</P> Fri, 30 Jun 2017 20:16:38 GMT nyadav 2017-06-30T20:16:38Z https://community.cloudera.com/t5/Support-Questions/NN-failed-during-setting-up-cross-realm-trust-between/m-p/229425#M191279 <P>While setting up multiple nameservices to setup cross realm trust between two HA clusters </P><P>NameNode is failing with error resource_management.core.exceptions.Fail: Configuration parameter 'dfs.namenode.http-address' was not found in configurations dictionary!</P> Fri, 30 Jun 2017 19:13:10 GMT https://community.cloudera.com/t5/Support-Questions/NN-failed-during-setting-up-cross-realm-trust-between/m-p/229425#M191279 rakanchi 2017-06-30T19:13:10Z https://community.cloudera.com/t5/Support-Questions/NN-failed-during-setting-up-cross-realm-trust-between/m-p/229426#M191280 <A rel="user" href="https://community.cloudera.com/users/17949/rakanchi.html" nodeid="17949">@rakanchi</A><P>Currently Ambari does not support the definition of multiple Nameservices. It always assumed hdfs_site['dfs.nameservices'] is just a string defining one nameservice. </P><P>Known ambari bug : <A href="https://issues.apache.org/jira/browse/AMBARI-15506" target="_blank">https://issues.apache.org/jira/browse/AMBARI-15506</A> . Fixed in 2.4.0</P> Fri, 30 Jun 2017 20:16:38 GMT https://community.cloudera.com/t5/Support-Questions/NN-failed-during-setting-up-cross-realm-trust-between/m-p/229426#M191280 nyadav 2017-06-30T20:16:38Z