Description
./bin/hbase org.apache.hadoop.hbase.tool.Canary -regionserver
Exception in thread "main" java.lang.ClassCastException: org.apache.hadoop.hbase.tool.Canary$StdOutSink cannot be cast to org.apache.hadoop.hbase.tool.Canary$ExtendedSink
at org.apache.hadoop.hbase.tool.Canary.newMonitor(Canary.java:622)
at org.apache.hadoop.hbase.tool.Canary.run(Canary.java:536)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.tool.Canary.main(Canary.java:1154)