Chinmay Kulkarni created HBASE-18762:
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Summary: Canary sink type cast error
Key: HBASE-18762
URL: https://issues.apache.org/jira/browse/HBASE-18762
Project: HBase
Issue Type: Bug
Reporter: Chinmay Kulkarni
Assignee: Chinmay Kulkarni
When running the main method of Canary.java, we see the following error:
Exception in thread "main" java.lang.ClassCastException:
org.apache.hadoop.hbase.tool.Canary$RegionServerStdOutSink cannot be cast to
org.apache.hadoop.hbase.tool.Canary$RegionStdOutSink
at org.apache.hadoop.hbase.tool.Canary.newMonitor(Canary.java:911)
at org.apache.hadoop.hbase.tool.Canary.run(Canary.java:796)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.tool.Canary.main(Canary.java:1571)
This happens because we typecast the sink depending on the mode (zookeeper
mode/region server mode) that Canary is configured in. In case no mode is
specified, we typecast the sink into _RegionStdOutSink_.
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