Hi,
The cluster is not kerberised but installed ranger and atlas. As we are not having plan of search in atlas, we haven't installed solr. Atlas UI is not accessible in our cluster. We could found the following errors in application log:
2017-02-02 12:07:06,497 WARN - [main:] ~ FAILED o.e.j.w.WebAppContext@63d75942{/,file:/usr/hdp/2.5.3.0-37/atlas/server/webapp/atlas/,STARTING}{/usr/hdp/current/atlas-server/server/webapp/atlas}: java.lang.ExceptionInInitializerError (AbstractLifeCycle:212)
java.lang.ExceptionInInitializerError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:190)
at org.apache.atlas.ApplicationProperties.getClass(ApplicationProperties.java:115)
Caused by: java.lang.IllegalArgumentException: Could not instantiate implementation: com.thinkaurelius.titan.diskstorage.solr.Solr5Index
at com.thinkaurelius.titan.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:55)
at com.thinkaurelius.titan.diskstorage.Backend.getImplementationClass(Backend.java:421)
Caused by: org.apache.solr.common.SolrException: Cannot connect to cluster at hdp-dn02.example.com:2181: cluster not found/not ready
at org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:290)
at org.apache.solr.client.solrj.impl.CloudSolrClient.connect(CloudSolrClient.java:467)
Please help.
