Re: [jetty-users] What does this exception mean?

[John English <john.foreign@xxxxxxxxx>]

On 25/07/2022 10:55, John English wrote:
> On 25/07/2022 04:52, Greg Wilkins wrote:
> > How was the exception logged?
> >
> > Normally we try to suppress such IO exceptions, as they can happen at 
> > any time if a client closes the connection (goes into a tunnel, closes 
> > laptop lid etc.).   But perhaps this one has slipped through.
>
> I catch IOException in my webapp and ignore, but this one was from 
> Jetty, not my webapp, so it hit my if-all-else-fails handler which sends 
> me an email message when anything unhandled happens:
>
>    <error-page>
>      <exception-type>java.lang.Exception</exception-type>
>      <location>/error</location>
>    </error-page>

Incidentally, I have to handle IOException in my webapp because I quite 
often used to get "unexpected EOF" type errors reported by email. But 
since the IOException is normally wrapped inside a Jetty-specific 
exception, I have to deal with it as follows to avoid Jetty-specific 
code in my webapp:

    catch (Throwable e) {
      if (e instanceof IOException ||
          e.getCause() instanceof IOException) {
        ...
      }
    }

--
John English

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