https://community.cloudera.com/t5/Support-Questions/org-apache-hadoop-hbase-client-RetriesExhaustedException-Can/m-p/205672#M167638 <P>When I use com.hortonworks.shc-core in scala like this:</P><PRE>spark.write.options(Map(HBaseTableCatalog.tableCatalog -&gt; catalog, HBaseTableCatalog.newTable -&gt; "5", HBaseTableCatalog.avro -&gt; ""))<BR /> .format("org.apache.spark.sql.execution.datasources.hbase")<BR /> .save() </PRE><P>I have exception:</P><P>17/08/04 18:29:46 INFO ClientCnxn: Session establishment complete on server domain.company.com/11.111.111.111:2181, sessionid = 0x15c7820075c1bbd, negotiated timeout = 40000 17/08/04 18:29:46 WARN RpcControllerFactory: Cannot load configured "hbase.rpc.controllerfactory.class" (org.apache.hadoop.hbase.ipc.controller.ServerRpcControllerFactory) from hbase-site.xml, falling back to use default RpcControllerFactory 17/08/04 18:29:46 WARN RpcControllerFactory: Cannot load configured "hbase.rpc.controllerfactory.class" (org.apache.hadoop.hbase.ipc.controller.ServerRpcControllerFactory) from hbase-site.xml, falling back to use default RpcControllerFactory Exception in thread "main" org.apache.hadoop.hbase.client.RetriesExhaustedException: Can't get the locations at org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.getRegionLocations(RpcRetryingCallerWithReadReplicas.java:312)</P> Fri, 04 Aug 2017 22:44:29 GMT hachhll 2017-08-04T22:44:29Z