apache.hadoop.hbase.client.RetriesExhausted Exception: Failed setting up proxy interface

This error (apache.hadoop.hbase.client.RetriesExhaustedException: Failed setting up proxy interface) mainly occurs when you do not configure your hostname and IP address property in HBase configuration files. You should not use localhost as the hostname for any of the node, you must have a proper configuration with FQDN (fully qualified domain name). [Read more…]

Heartbeat lost for all Ambari services in HDP

The main reason behind Heartbeat lost for all Ambari services in HDP is, losing the connection between the ambari-server and ambari-agent. To fix this issue you can stop and start ambari-server and ambari-agent again in proper sequence. In this article I am going to explain step by step debugging process and solution. [Read more…]