In order to make your issue reports as actionable as possible, please provide the following information, depending on the issue type.

Bug report

For bug reports, provide this information, please:

What Debezium connector do you use and what version?

vitess-connector

What is the connector configuration?

Not relevant

What is the captured database version and mode of depoyment?

Vitess V11

What behaviour do you expect?

When there is Vitess host restart (VtTable or VtGate), we saw the below exception on Vitess Connector side.  This error should be retriable:

2022-08-31 20:39:36,039 INFO  Vitess|dev|streaming VStream streaming onError. Status: Status{code=UNKNOWN, description=vstream ended unexpectedly, cause=null}  [io.debezium.connector.vitess.connection.VitessReplicationConnection]
io.grpc.StatusRuntimeException: UNKNOWN: vstream ended unexpectedly
    at io.grpc.Status.asRuntimeException(Status.java:533)
    at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
    at io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:463)
    at io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:427)
    at io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:460)
    at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:616)
    at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:69)
    at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:802)
    at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:781)
    at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
    at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:829)
2022-08-31 20:39:36,849 ERROR Vitess|dev|streaming Error during streaming  [io.debezium.connector.vitess.VitessStreamingChangeEventSource]
io.grpc.StatusRuntimeException: UNKNOWN: vstream ended unexpectedly

What behaviour do you see?

Vitess Connector shuts down

Do you see the same behaviour using the latest relesead Debezium version?

Yes

Do you have the connector logs, ideally from start till finish?

See Above

How to reproduce the issue using our tutorial deployment?

Restart some hosts on Vitess side

Feature request or enhancement

For feature requests or enhancements, provide this information, please:

Which use case/requirement will be addressed by the proposed feature?

<Your answer>

Implementation ideas (optional)

Add more error handling in VitessErrorHandler.java