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Search - "magic numbers"
Okidoky you lil fucker where you've been hiding...
*streaming tcpdump via SSH to other box, feeding tshark with input filters*
Finally finding a request with an ominous dissector warning about headers...
Not finding anything with silversearcher / ag in the project...
*getting even more pissed causr I've been looking for lil fucker since 2 days*
*generating possible splits of the header name, piping to silversearcher*
*I/O looks like clusterfuck*
Common, it are just dozen gigabytes of text, don't choke just because you have to suck on all the sucking projects this company owns... Don't drown now, lil bukkake princess.
*half an hour later*
Oh... Interesting. Bukkake princess survived and even spilled the tea.
Someone was trying to be overly "eager" to avoid magic numbers...
They concatenated a header name out of several const vars which stem from a static class with like... 300? 400? vars of which I can make no fucking sense at all.
Class literally looks like the most braindamaged thing one could imagine.
And yes... Coming back to the network error I'm debugging since 2 days as it is occuring at erratic intervals and noone knew of course why...
One of the devs changed the const value of one of the variables to have UTF 8 characters. For "cleaner meaning".
Sometimes I just want to electrocute people ...
The reason this didn't pop up all the time was because the test system triggered one call with the header - whenever said dev pushed changes...
And yeah. Test failures can be ignored.
Why bother? Just continue meddling in shit.
I'm glad for the dev that I'm in home office... :@
TLDR: Dev changed const value without thinking, ignoring test failures and I had the fun of debunking for 2 days a mysterious HAProxy failure due to HTTP header validation...