Jackie-Jiang commented on a change in pull request #5705:
URL: https://github.com/apache/incubator-pinot/pull/5705#discussion_r455410039
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/transport/AsyncQueryResponse.java
##########
@@ -39,6 +39,8 @@
private final CountDownLatch _countDownLatch;
private final long _maxEndTimeMs;
+ private Exception _brokerRequestSendException;
Review comment:
Make it volatile? (Although it is always set and read by the same thread)
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/transport/AsyncQueryResponse.java
##########
@@ -105,4 +107,12 @@ void markServerDown(ServerRoutingInstance
serverRoutingInstance) {
markQueryFailed();
}
}
+
+ public Exception getBrokerRequestSendException() {
+ return _brokerRequestSendException;
+ }
+
+ public void setBrokerRequestSendException(Exception
brokerRequestSendException) {
Review comment:
(nit) Package private?
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/exception/QueryException.java
##########
@@ -125,8 +126,17 @@ public static void setMaxLinesOfStackTrace(int
maxLinesOfStackTrace) {
}
public static ProcessingException getException(ProcessingException
processingException, Exception exception) {
+ return getException(processingException,
getTruncatedStackTrace(exception));
+ }
+
+ public static ProcessingException getException(ProcessingException
processingException, String errorMessage) {
String errorType = processingException.getMessage();
ProcessingException copiedProcessingException =
processingException.deepCopy();
+ copiedProcessingException.setMessage(errorType + ":\n" + errorMessage);
+ return copiedProcessingException;
+ }
+
+ public static String getTruncatedStackTrace(Exception exception) {
Review comment:
Not sure if we should expose this method
##########
File path:
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/SingleConnectionBrokerRequestHandler.java
##########
@@ -114,6 +118,10 @@ protected BrokerResponse processBrokerRequest(long
requestId, BrokerRequest orig
brokerResponse.setNumServersQueried(numServersQueried);
brokerResponse.setNumServersResponded(numServersResponded);
+ if (asyncQueryResponse.getBrokerRequestSendException() != null) {
+ String errorMsg =
QueryException.getTruncatedStackTrace(asyncQueryResponse.getBrokerRequestSendException());
+ brokerResponse.addToExceptions(new
QueryProcessingException(BROKER_REQUEST_SEND_ERROR_CODE, errorMsg));
+ }
Review comment:
```suggestion
Exception brokerRequestSendException =
asyncQueryResponse.getBrokerRequestSendException();
if (brokerRequestSendException != null) {
brokerResponse.addToExceptions(new
QueryProcessingException(BROKER_REQUEST_SEND_ERROR_CODE,
brokerRequestSendException));
}
```
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