[Glass] tracking down errors that occur in FastCGI gems but not GemTools or tODE.

[Paul DeBruicker]

Thanks Dale,

That was it.  I'd forgotten that Chronos re-initializes the cache on
startup, which is great on Pharo/Squeak but not on GemStone.


Paul





Dale Henrichs-3 wrote
> Hmm, There must be some initialization code that gets executed at startup
> for the Chronos libs .. so that must be the point where the difference
> lies
> and a well-placed breakpoint in the init code, that can give you a stack
> in
> GemTools/tODE should provide insight and snapping off a continuation or
> dumping a stack into objectlog at that point should complete the picture
> ...
> 
> Dale
> 
> 
> On Tue, Jan 28, 2014 at 10:19 AM, Paul DeBruicker <

> pdebruic@

> >wrote:
> 
>> The Chronos timezone stuff is all orthogonal to the GemStone timezone
>> stuff.
>> Chronos has its own method for getting time zone transition rules and
>> those
>> timezones are only used in the Chronos date and time classes.
>>
>>
>> So its likely not the GemStone timezone stuff.  I'll take a look at the
>> other suggestions
>>
>>
>> Maybe instead it could be file permissions or poorly coordinated
>> commits/aborts or a gem's view of the repository getting out of sync in
>> some
>> way.
>>
>>
>>
>>
>>
>>
>>
>> Dale Henrichs-3 wrote
>> > Since things work in GemTools/tODE, I am suspicious of code in GLASS
>> that
>> > detects whether or not you are running with a GUI attached .. The
>> > following
>> > methods are used for those types of tests:
>> >
>> >   MCPlatformSupport class>>gemToolsActive
>> >   OBGemStonePlatform class>>canConfirm
>> >   OBGemStonePlatform class>>canInform
>> >
>> > A quick pass through senders of these method doesn't reveal anything
>> > interesting to me though ...
>> >
>> > I seem to recall some monkey business with synching your timezone to
>> the
>> > system and it seems that a call of some sort is needed, but I don't
>> recall
>> > offhand  ...
>> >
>> > Finally there is code that gets triggered during session startup
>> > (SystemLoginNotification class>>sessionStart) ... but that code is not
>> > specific to GemTools/tODE ....
>> >
>> > I'll dig around in the time zone code for inspiration, but put this out
>> > there in case this rings the bell for someone else ...
>> >
>> > Dale
>> >
>> >
>> > On Tue, Jan 28, 2014 at 9:42 AM, Paul DeBruicker <
>>
>> > pdebruic@
>>
>> > > wrote:
>> >
>> >> I'm using Chronos on GemStone 3.1.0.4 (upgrading to 3.1.0.5 now) and
>> I've
>> >> been getting errors in its timezone policy lookup code in my FastCGI
>> >> gems.
>> >>  The same code works fine when I connect with GemTools or tODE.  And
>> if
>> >> in
>> >> GemTools I attempt to debug the error that the FastCGI gem put on the
>> >> object log it also works fine at that time.
>> >>
>> >>
>> >> Restarting the FastCGI gems doesn't seem to fix the problem with any
>> >> permanence. It also is only happening on the server.  On my laptop the
>> >> FastCGI gems do fine.  The Chronos timezone lookup code may access the
>> >> file
>> >> system for the initial lookup, but I am pretty sure it has the
>> timezone
>> >> information cached in the stone after that.
>> >>
>> >>
>> >> What are some strategies for figuring out what the problem is?
>> >>
>> >> Thanks
>> >> _______________________________________________
>> >> Glass mailing list
>> >>
>>
>> > Glass at .gemtalksystems
>>
>> >> http://lists.gemtalksystems.com/mailman/listinfo/glass
>> >>
>> >
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>>
>>
>>
>>
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