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- backtype.storm.generated.DRPCExecutionException at backtype.storm.daemon.drpc$service_handler$reify__8688.failRequest(drpc.clj:136)[storm-core-0.10.0.2.4.2.0-258.jar:0.10.0.2.4.2.0-258] at backtype.storm.drpc.DRPCSpout.fail(DRPCSpout.java:241)[storm-core-0.10.0.2.4.2.0-258.jar:0.10.0.2.4.2.0-258 A short while later, I get org.apache.hadoop.hbase.client.RetriesExhaustedException. This doesn't always happen, but is very common. My assumption based on this is one of two possibilities: The scan is timing out. However performing the scan through HBase Shell or REST return in less than a second The table is inconsistent, causing a certain region to be missing. I have run hbase hbck and it shows 0 inconsistencies. I know that the connection to HBase is fine: I have added debugging output and the bolt gets the results. However due to the DRPCExecutionException, these results are never returned over DRPC. I though the issue was DRPC timeout, however I have increased the DRPC timeout a lot and I get the same result in the same amount of time. After Googling I found someone else with the same issue ([Storm]