Hi Greg,

The last few days exceptions have started to come up in the logging. We can quite easily reproduce them by testing common parts of our web applications using Firefox. Using Chrome the same actions do not produce exceptions (or warnings).

Strangely enough this seems to intermittently fail mostly (but not exclusively) on plain GET requests for CSS resources that are requested by the browser as a result of an @import from another CSS resource.

We serve the files ourselves from a servlet. Perhaps we are doing something that triggers this? GET requests for which we serve the response content dynamically seem to work fine. The same goes for POSTs. Since it only happens via one of our code paths I suspect we are causing this in some way, although the code is extremely simple.

Kind regards,

Silvio


On 11/29/19 12:27 AM, Greg Wilkins wrote:

Silvio,

I believe it is ignorable and you can turn the HttpChannelState logger level down to suppress them. However, if there a stack trace associated with that warning then it is not what I think it is and you need to provide more information.

What I believe is happening is that while a request is being processed, the associated HTTP/2 stream is being reset (probably by the client?) This asynchronous error is detected but because the request is not async, it cannot be delivered to the request and instead we warn.  This is probably over verbose as clients can do silly things like close mid request handling.

@Simone Bordet <mailto:[email protected]>  what do you think?

cheers











On Fri, 29 Nov 2019 at 09:03, Silvio Bierman <[email protected] <mailto:[email protected]>> wrote:

    Hello all,

    Ever since upgrading to 9.4.24 our stderr-log is filled with these
    messages:

    2019-11-28 22:56:27.469:WARN:oejs.HttpChannelState:qtp1519100796-25:
    org.eclipse.jetty.io <http://org.eclipse.jetty.io>.EofException:
    Reset cancel_stream_error

    Can anyone tell me what this means? I take it the situation is not
    critical because the application has worked flawlessly for years with
    earlier Jetty versions without these messages. Can I turn this off?

    Kind regards,

    Silvio

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Greg Wilkins <[email protected] <mailto:[email protected]>> CTO http://webtide.com

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