[jira] [Created] (HIVE-20054) Propagate ExecutionExceptions from the driver thread to the client

["Sahil Takiar (JIRA)" <ji...@apache.org>]

Sahil Takiar created HIVE-20054:
-----------------------------------

             Summary: Propagate ExecutionExceptions from the driver thread to the client
                 Key: HIVE-20054
                 URL: https://issues.apache.org/jira/browse/HIVE-20054
             Project: Hive
          Issue Type: Sub-task
            Reporter: Sahil Takiar


In {{AbstractSparkClient}} we have the following code:

{code:java}
       try {
          driverFuture.get();
        } catch (InterruptedException ie) {
          // Give up.
          LOG.warn("Interrupted before driver thread was finished.", ie);
        } catch (ExecutionException ee) {
          LOG.error("Driver thread failed", ee);
        }
{code}

If the driver {{Future}} throws an {{ExecutionException}} the error is simply logged, and a {{RuntimeException}} is thrown with the generic message "Error while waiting for Remote Spark Driver to connect back to HiveServer2."

We should propagate the {{ExecutionException}} to the client.



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