[jira] [Resolved] (RATIS-1150) Return DataStreamException to client.

["Tsz-wo Sze (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/RATIS-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz-wo Sze resolved RATIS-1150.
-------------------------------
    Fix Version/s: 1.1.0
       Resolution: Fixed

I have merged the pull request.  Thanks, [~yjxxtd]!

> Return DataStreamException to client.
> -------------------------------------
>
>                 Key: RATIS-1150
>                 URL: https://issues.apache.org/jira/browse/RATIS-1150
>             Project: Ratis
>          Issue Type: Sub-task
>          Components: Streaming
>            Reporter: runzhiwang
>            Assignee: runzhiwang
>            Priority: Major
>             Fix For: 1.1.0
>
>         Attachments: image-2020-11-13-09-15-38-822.png, screenshot-1.png
>
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> When primary or peer WritableByteChannel#write throw exception, we should return it to client.
> {code:java}
> static long writeTo(ByteBuf buf, DataStream stream) {
>     final WritableByteChannel channel = stream.getWritableByteChannel();
>     long byteWritten = 0;
>     for (ByteBuffer buffer : buf.nioBuffers()) {
>       try {
>         byteWritten += channel.write(buffer);
>       } catch (Throwable t) {
>         throw new CompletionException(t);
>       }
>     }
>     return byteWritten;
>   }
> {code}



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