walterddr opened a new issue, #11919:
URL: https://github.com/apache/pinot/issues/11919

   when GRPC internal failure occurs. the ReceivingMailbox doesn't propagate 
that error back to the next block fetcher if the message was the FIRST block
   error from broker:
   ```
   2023/11/01 08:45:52.204 ERROR [MultiStageBrokerRequestHandler] 
[jersey-server-managed-async-executor-7] Caught exception executing request 
1879852788000000005: select * from tbl limit 6000, 
   Received error query execution result block: {250=ExecutionTimeoutError
   ProcessingException(errorCode:250, message:ExecutionTimeoutError)
        at 
org.apache.pinot.common.exception.QueryException.<clinit>(QueryException.java:113)
        at 
org.apache.pinot.common.response.broker.BrokerResponseNative.<clinit>(BrokerResponseNative.java:53)
        at 
org.apache.pinot.broker.requesthandler.MultiStageBrokerRequestHandler.handleRequest(MultiStageBrokerRequestHandler.java:156)
        at 
org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler.handleRequest(BaseBrokerRequestHandler.java:279)}
   
org.apache.pinot.query.service.dispatch.QueryDispatcher.getResultTable(QueryDispatcher.java:266)
   ```
   
   but the server log indicates that:
   ```
   Nov 01, 2023 8:45:42 AM 
io.grpc.netty.shaded.io.grpc.netty.NettyServerStream$TransportState 
deframeFailed
   WARNING: Exception processing message
   io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: gRPC message exceeds 
maximum size 16777216: 17562988
        at io.grpc.Status.asRuntimeException(Status.java:530)
        at 
io.grpc.internal.MessageDeframer.processHeader(MessageDeframer.java:392)
        at io.grpc.internal.MessageDeframer.deliver(MessageDeframer.java:272)
        at io.grpc.internal.MessageDeframer.deframe(MessageDeframer.java:178)
   ...
   2023/11/01 08:45:42.788 ERROR [MailboxContentObserver] 
[grpc-default-executor-12] Got error before mailbox is set up
   io.grpc.StatusRuntimeException: CANCELLED: client cancelled
        at io.grpc.Status.asRuntimeException(Status.java:530) 
~[grpc-api-1.53.0.jar:1.53.0]
        at 
io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:291)
 [grpc-stub-1.53.0.jar:1.53.0]
        at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:378)
 [grpc-core-1.53.0.jar:1.53.0]
        at 
io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:365)
 [grpc-core-1.53.0.jar:1.53.0]
        at 
io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:923)
 [grpc-core-1.53.0.jar:1.53.0]
        at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) 
[grpc-core-1.53.0.jar:1.53.0]
        at 
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) 
[grpc-core-1.53.0.jar:1.53.0]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) 
[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) 
[?:?]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   ```
   


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