Le vendredi 26 juin 2009 à 20:25 +0200, Stefan Schmiedl a écrit : > = a few hours of unbridled fun and printNl debugging :-) > > <bla> > So I'm running the most recent smalltalk and the most recent Iliad. > And after I actually started doing something _with_ Iliad instead of > _to_ it (what a willing victim for testing packaging Iliad is), I > notice that sometimes my browser hangs waiting for a response... > and always I manage to find a bug. > > Switching the application to deploymentMode displays the expected 500 > message, so it must have something to do with the default verboseMode. > > Veni, vidi, and there are messages in ErrorHandler>>produceVerboseResponse > that cannot be found in the docs ... if this ain't an invitation to mess > around, I don't know what is.
hehe ;) > > Removing the "weird" stuff and sprinkling it with "self error inspect" > and "self error backtraceOn: Transcript" produces quite interesting > information ... on the console. > </bla> > > So gst has inspect with hardcoded Transcript references in it. > And there are four definitions of inspect in the base classes to > accomodate different types of objects. > Well, my local gst now only has one inspect in Object but four > inspectOn: aStream in the base classes ... and things still work. > > The good new is that I now can produce some really helpful debugging > info in ErrorHandler.st > > produceVerboseResponse [ > <category: 'responding'> > |info| > info := WriteStream on: String new. > self error inspectOn: info. > self error context backtraceOn: info. > FileStream stderr nextPutAll: info contents. > self respond: [:response || page | > page := Page new. > page bodyElement h1: 'Internal Error'; > h2: self error description; > h3: self error messageText; > preformatted: info contents. > page build printHtmlOn: response] > ] > > So now I not only see _where_ the problem occurred, I also see > with _what data_ it occurred.... sweeet. sweet indeed! Paolo, could this patch be included in gst? Thanks Stefan! Nico > > I'm attaching the two patches to this message for your consideration. > > s. > _______________________________________________ help-smalltalk mailing list > [email protected] http://lists.gnu.org/mailman/listinfo/help-smalltalk
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