https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172142#M54256 <P>@<A href="https://community.hortonworks.com/users/3296/vladislavfalfushinsky.html">Vladislav Falfushinsky</A></P><P>Can you attach your blueprint json file?</P> Tue, 14 Feb 2017 03:16:14 GMT apappu 2017-02-14T03:16:14Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172139#M54253 <P>Dear community,</P><P>Trying to deploy a cluster via blueprint, but obtain a wierd error:</P><PRE>ERROR [ambari-client-thread-24] QueryParser:115 - Lowercase host_name value in expression failed with error:java.lang.NullPointerException</PRE><P>Had not found this error anywhere in documentation so trying to ask here.</P> Mon, 13 Feb 2017 19:40:55 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172139#M54253 vladislav_falfu 2017-02-13T19:40:55Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172140#M54254 <P>Seems the problem was with nodes specified in cluster configuration. They were not correctly provisioned. However the error looks wierd.</P> Mon, 13 Feb 2017 19:58:01 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172140#M54254 vladislav_falfu 2017-02-13T19:58:01Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172141#M54255 <P>double check the values you entered in the host_name field, do you have a space there maybe?</P><P>This is what it suppose to look like, for anything else paste your blueprint</P><PRE>"blueprint" : "multi-node-hdfs-yarn", "host_group" : "slaves", "host_name" : "c6404.ambari.apache.org" </PRE> Mon, 13 Feb 2017 20:09:32 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172141#M54255 aervits 2017-02-13T20:09:32Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172142#M54256 <P>@<A href="https://community.hortonworks.com/users/3296/vladislavfalfushinsky.html">Vladislav Falfushinsky</A></P><P>Can you attach your blueprint json file?</P> Tue, 14 Feb 2017 03:16:14 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-fails-with-strange-error-while-deploying/m-p/172142#M54256 apappu 2017-02-14T03:16:14Z