Got it, thanks Carl - that helps a lot. Can you point me to an example of 
how you'd call halfClose()?

- Matt

On Monday, October 30, 2017 at 8:45:17 PM UTC-4, Carl Mastrangelo wrote:
>
> Under the hood, the Client sends a RST_STREAM HTTP/2 frame with the 
> cancelled error code.  If you want to gracefully stop, you can send a 
> halfClose() from the client and make the server interpret that as the end.  
> Alternatively, you can try to send one last error message, and then call 
> onError.  
>
> The client and the server are asymmetric in this regard; the server can 
> send back more detailed info, while the client cannot.
>
> On Monday, October 30, 2017 at 9:44:02 AM UTC-7, [email protected] 
> wrote:
>>
>> OK I've answered one of my questions, which is that the Status exception 
>> clearly states in the JavaDoc that it does not send the strack-trace with 
>> the error.
>>
>> Looking more into the other question (how to properly send errors from 
>> the client) - it seems as though no matter what error I send from the 
>> client (using onError) - the server always gets a CANCELLED status, and no 
>> details from the actual errors I send. This happens regardless of the type 
>> of Status error - is this the correct behavior?
>>
>> - Matt
>>
>> On Friday, October 27, 2017 at 8:38:07 PM UTC-4, Matt Mitchell wrote:
>>>
>>> I have an application where the client establishes a bidirectional 
>>> connection to the server, and the server begins sending requests to the 
>>> client and vice versa. This app runs jobs, so that once a job starts, the 
>>> messages flow back and forth from server to client and client to server. I 
>>> would like to gracefully deal with exceptions thrown from the client. I'm 
>>> not entirely sure if I should be calling onError for non-critical errors, 
>>> or if I create a new Error message type and send via onNext. If I use 
>>> onError, then the client needs to re-connect with a new Channel -- What is 
>>> the better way to deal with this problem? Is there another way?
>>>
>>> Related question - for the Java impl of gRPC - is it possible to have 
>>> the server log the stack trace of an error sent by the client via onError? 
>>> I'm setting the cause on the io.grpc.Status instance, but it doesn't seem 
>>> to be available on the receiving end.
>>>
>>> Thanks!
>>> - Matt
>>>
>>

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