Also any advise on good practices to make connections appear more resilient
to the layers up the stack?
On Friday, August 4, 2017 at 10:44:54 AM UTC-4, cr2...@gmail.com wrote:
>
> Hi,
> I have code that's using the futureStub and using NettyChannelBuilder with
> no other properties set other than usePlaintext(true); I have users that
> are claiming everything is working fine except if there's no activity on
> that connection for about 20 minutes. Then they see:
>
> gRPC failure=Status{code=UNAVAILABLE, description=null,
> cause=java.io.IOException: Connection reset by peer
>
> I've asked them to try the keepAliveTime and keepAliveTimeout and I'm not
> sure yet if they've done that yet.
>
> The server side is GO 1.40
>
> Client Older version we are moving to later in next release:
> com.google.protobuf » protobuf-java 3.1.0
> io.grpc » grpc-netty 1.3.0
> io.grpc » grpc-protobuf 1.3.0
> io.grpc » grpc-stub 1.3.0
>
> So barrage of questions:
>
> Any thoughts on what is happening here ? I know not a lot of details for
> you to go on :(
>
> The Java client is moving to the very latest version. Are there concerns
> with compatibility we need to keep in mind with GO server side ?
>
> Are there timeouts were the underlying connections are closed due to
> inactivity? I would assume they'd reconnect under covers if so, would the
> keepAlive help here ? Other options to try?
>
> I noticed on ManagedChannel getState and notifyWhenStateChanged These
> have @ExperimentalApi and *Warning*: this API is not yet implemented by
> the gRPC
> So I assume they really can't be used in latest version to auto retry
> setting up connections when they get disconnected?
> <https://grpc.io/grpc-java/javadoc/io/grpc/ExperimentalApi.html>
>
>
>
>
>
>
>
>
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