https://community.cloudera.com/t5/Support-Questions/java-lang-NullPointerException-received-when-following/m-p/286041#M212175 <P>We weren't using the Solr service in the previous cluster.&nbsp; So we just removed the service during the upgrade and added it after the upgrade</P><P>&nbsp;</P><P>following the turorial we are able to create the 2 shard cores and the test collection.</P><P>&nbsp;</P><P>Just the execute query throws exception</P> Thu, 19 Dec 2019 19:19:19 GMT ChineduLB 2019-12-19T19:19:19Z