Troubleshooting Apache HBasePDF version

Troubleshoot RegionServer grouping

When using rsgroup, if you encounter an issue such as the one in the following example, check the log to see what is causing the issue. If a rsgroup operation is unresponsive, you must restart the HBase Master.

An example error of what you will see if you start using rsgroup but the required coprocessor is not found:

ERROR: org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered master coprocessor service found for name RSGroupAdminService
    at org.apache.hadoop.hbase.master.MasterRpcServices.execMasterService(MasterRpcServices.java:604)
    at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
    at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:1140)
    at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:133)
    at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:277)
    at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:257)