[jira] [Updated] (HTTPCORE-606) HTTP2 framing layer error with HttpCore 5.0 server

["Roy Hashimoto (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HTTPCORE-606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Roy Hashimoto updated HTTPCORE-606:
-----------------------------------
    Attachment: ConscryptTest.java

> HTTP2 framing layer error with HttpCore 5.0 server
> --------------------------------------------------
>
>                 Key: HTTPCORE-606
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-606
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>          Components: HttpCore
>    Affects Versions: 5.0-beta9
>            Reporter: Roy Hashimoto
>            Priority: Major
>         Attachments: ConscryptTest.java, ConscryptTest.java
>
>
> The attached file implements a simple H2/TLS server that returns a roughly 64 KB response. Things work fine when HTTP1 is used but with HTTP2 a framing layer error is reported.
> Using curl:
> {{$ curl -k https://localhost:8080/}}
> {{curl: (16) Error in the HTTP2 framing layer}}
> Using Chrome:
> {{GET https://localhost:8080/ net::ERR_HTTP2_FRAME_SIZE_ERROR 200}}
> I'm using Conscrypt (org.conscrypt:conscrypt-openjdk-uber:2.2.1) because I currently have only Java 8 environments so that's how I enable H2. I don't know if the bug is related to the JSSE implementation or not. I did try to disable TLS on the server and connect with {{curl --http2}} but that didn't work - curl offered to upgrade but the server returned HTTP1 and the error doesn't happen with HTTP1.
> The response is big enough that writing the response body data to the DataStreamChannel does not consume it all in one call. I believe this might be a factor because if I instead dribble the data out with small writes over time like this then no error occurs:
> {{private int counter = 0;}}
> {{@Override}}
> {{public void produce(DataStreamChannel channel) throws IOException {}}
> {{  if (counter < 4096) {}}
> {{    ByteBuffer buffer = ByteBuffer.wrap(String.format("%4d:0123456789\n", counter).getBytes());}}
> {{    counter++;}}
> {{    channel.write(buffer);}}
> {{    new Thread(() -> {}}
> {{      try {}}
> {{        Thread.sleep(50);}}
> {{      } catch (InterruptedException ignored) {}}
> {{      }}}
> {{      channel.requestOutput();}}
> {{    }).start();}}
> {{  } else {}}
> {{    channel.endStream();}}
> {{  }}}
> {{}}}
> To run the test program you will need to modify the code at the beginning of {{main}} to load your own X509 KeyStore. Connect to the server with an H2-capable client on port 8080.



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