[NO ISSUE][OTH] Return Encountered Exception to NC

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Return the encountered exception during query
  execution to NC instead of wrapping only the
  exception message in a new exception.

Change-Id: Ic51f3cba13edd4ef73c3833841e3990c2ed8fdfa
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2628
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Michael Blow <mblow@apache.org>
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/message/ExecuteStatementRequestMessage.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/message/ExecuteStatementRequestMessage.java
index d295304..8de3782 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/message/ExecuteStatementRequestMessage.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/message/ExecuteStatementRequestMessage.java
@@ -139,7 +139,7 @@
             responseMsg.setError(pe);
         } catch (Exception e) {
             GlobalConfig.ASTERIX_LOGGER.log(Level.ERROR, "Unexpected exception", e);
-            responseMsg.setError(new Exception(e.toString()));
+            responseMsg.setError(e);
         }
         try {
             messageBroker.sendApplicationMessageToNC(responseMsg, requestNodeId);