Page 255 - Nodejs 교과서 개정2판

app.use((err, req, res, next) => {
res.locals.message = err.message;
res.locals.error = process.env.NODE_ENV !== 'production' ? err : {};
res.status(err.status || 500);
res.render('error');
});
...

݅ড ী۞о ߊࢤೠ׮ݶ res.locals.messageח rA${req.method} ${req.url} 라우터가 없습니다.’о

ؾפ׮ next(error)ীࢲ ֈѹળ ੋࣻо ী۞ ୊ܻ ޷ٜਝয੄ err۽ োѾغӝ ٸޙੑפ׮

ী۞ ୊ܻ ޷ٜਝযח FSSPSۄח మ೒݁ ౵ੌ ք੸झ੉޲۽ FSSPS IUNM ౵ੌ ਸ ۪؊݂೤פ׮ ۪؊݂ द res.l

ocals.message৬ res.locals.errorী ֍যળ чਸ ೣԋ ۪؊݂೤פ׮ res.renderী ߸ࣻܳ ؀ੑೞח Ѫ ৻
ীب ੉ۧѱ res.locals ࣘࢿী чਸ ؀ੑೞৈ మ೒݁ ূ૓ী ߸ࣻܳ ઱ੑೡ ࣻ ੓णפ׮

error ё୓੄ झఖ ౟ۨ੉झ FSSPS IUNM੄ error.stack ח दझమ ജ҃ process.env.NODE_ENV ੉ QSPEVDUJP
O ߓನ ജ҃ ੉ ইצ ҃਋ী݅ ಴दؾפ׮ ߓನ ജ҃ੋ ҃਋ীח ী۞ ݫद૑݅ ಴दؾפ׮ ী۞ झఖ ౟ۨ੉
झо ֢୹غݶ ࠁউী ஂডೡ ࣻ ੓ӝ ٸޙੑפ׮

ࢲߡܳ प೯ೞҊ MPDBMIPTU BCDী ੽ࣘೞݶ ী۞ ݫद૑৬ ೣԋ ਽׹ ௏٘ झఖ ౟ۨ੉झܳ ഛੋೡ ࣻ
੓णפ׮

§ Ӓܿ ী۞ झఖ ౟ۨ੉झ

ਤ Ӓܿীࢲ ইې੄ &SSPS ࠗ࠙੉ झఖ ౟ۨ੉झੑפ׮ झఖ ౟ۨ੉झܳ ా೧ ࢲߡ ಫ؊ ҳઑܳ ਬ୶ೡ ࣻ

੓ਵ޲۽ ߓನ ജ҃ীࢲח ऀӝח Ѫੑפ׮

੉ઁ ࢲߡ ٜ݅ӝܳ ਤೠ ӝࠄ ળ࠺о ׮ ՘լਵݴ ೠ о૑݅ ؊ ߓ਋ݶ पઁ ࢲ࠺झܳ ٜ݅ ࣻ ੓णפ׮ ࢎਊ

੗ٜ੉ ࠁմ ؘ੉ఠٜਸ ੷੢ೞח Ҕ ߄۽ ؘ੉ఠ߬੉झੑפ׮