Re: [undertow-dev] how to disable io exception logging
I’m a coworker of sascha’s and i filed a pr (#525) for this
-chris
On 14 Jun 2017, at 02:21, Stuart Douglas <sdouglas(a)redhat.com>
wrote:
If you file a JIRA I will fix this.
Stuart
On Fri, Jun 9, 2017 at 2:14 PM, Sascha Sadat-Guscheh <kid(a)bitkid.com> wrote:
> hello undertow developers!
>
> we are trying to disable logging of io exceptions like the comment in
> UndertowLogger.java suggests:
>
> /**
> * Logger used for IO exceptions. Generally these should be suppressed,
> because they are of little interest, and it is easy for an
> * attacker to fill up the logs by intentionally causing IO exceptions.
> */
> UndertowLogger REQUEST_IO_LOGGER =
> Logger.getMessageLogger(UndertowLogger.class,
> UndertowLogger.class.getPackage().getName() + ".request.io");
>
> so we disable io.undertow.request.io
>
> but it seems that there are still io exceptions logged as
> io.undertow.request, i see log entries like this:
> io.undertow.request 2017-06-08 23:44:14,898 UT005003: IOException reading
> from channel java.io.IOException: UT000128: Remote peer closed connection
> before all data could be read
> at
>
io.undertow.conduits.FixedLengthStreamSourceConduit.exitRead(FixedLengthStreamSourceConduit.java:338)
> at
>
io.undertow.conduits.FixedLengthStreamSourceConduit.read(FixedLengthStreamSourceConduit.java:255)
> at
>
org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
> at
>
io.undertow.channels.DetachableStreamSourceChannel.read(DetachableStreamSourceChannel.java:209)
> at
>
io.undertow.server.HttpServerExchange$ReadDispatchChannel.read(HttpServerExchange.java:2287)
> at
>
io.undertow.server.handlers.form.FormEncodedDataDefinition$FormEncodedDataParser.doParse(FormEncodedDataDefinition.java:134)
> at
>
io.undertow.server.handlers.form.FormEncodedDataDefinition$FormEncodedDataParser.handleEvent(FormEncodedDataDefinition.java:115
>
> to me it seems that the handler for form encoded post data uses the wrong
> logger for its io exceptions.
>
> best, sascha
>
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