Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/460#discussion_r58613516
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/rpc/user/QueryResultHandler.java
---
@@ -278,49 +297,31 @@ public void queryIdArrived(QueryId queryId) {
private class SubmissionListener extends BaseRpcOutcomeListener<QueryId>
{
private final UserResultsListener resultsListener;
- private final RemoteConnection connection;
- private final ChannelFuture closeFuture;
- private final ChannelClosedListener closeListener;
private final AtomicBoolean isTerminal = new AtomicBoolean(false);
- public SubmissionListener(RemoteConnection connection,
UserResultsListener resultsListener) {
- super();
+ public SubmissionListener(UserResultsListener resultsListener) {
this.resultsListener = resultsListener;
- this.connection = connection;
- this.closeFuture = connection.getChannel().closeFuture();
- this.closeListener = new ChannelClosedListener();
- closeFuture.addListener(closeListener);
- }
-
- private class ChannelClosedListener implements
GenericFutureListener<Future<Void>> {
-
- @Override
- public void operationComplete(Future<Void> future) throws Exception {
- resultsListener.submissionFailed(UserException.connectionError()
- .message("Connection %s closed unexpectedly.",
connection.getName())
- .build(logger));
- }
-
}
@Override
public void failed(RpcException ex) {
if (!isTerminal.compareAndSet(false, true)) {
+ logger.warn("Received multiple outcomes (success/failure) while
submitting query.");
return;
}
- closeFuture.removeListener(closeListener);
-
resultsListener.submissionFailed(UserException.systemError(ex).build(logger));
-
+ resultsListener.submissionFailed(UserException.systemError(ex)
+ .message("Unexpected failure while submitting query to a
Drillbit.")
--- End diff --
Looks like system errors preserve the original message. So this message was
being ignored. I'll add the message to context.
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