One of the things that certainly frustrate both consumers and web owners is seeing an error code pop up on the website or on one of its pages. One of those annoying pests is the 502 error or bad gateway error.
Yize ingajwayelekile njengamanye amaphutha e-server, lena inenkinga ikakhulukazi lapho yenzeka, ikakhulukazi ngoba kunzima kakhulu ukuthola impande yenkinga.
Kepha, yini iphutha elibi lesango elingu-502 empeleni?
Kalula nje, leli phutha yikhodi yesimo ye-HTTP (Hyperocol Transfer Protocol) futhi kwenzeka lapho iseva eyodwa online ingatholi noma icabanga ukuthi ayitholanga mpendulo efanele kusuka kwenye iseva ye-inthanethi.
Kungenzeka kunoma ngubani kunoma isiphi isethaphu, noma isiphi isiphequluli, nanoma iyiphi insiza. Ngakho-ke, ake sibheke ukuthi yini ebangela leli phutha nokuthi lingalungiswa kanjani, futhi ngethemba lokuthi ukulisusa kube kuhle.
Iqembu le-5xx
Njengoba kungenzeka uyazi, i-502 akuyona ukuphela kwephutha elingenzeka phakathi kochungechunge lwamaphutha angama-500 olulindele nje ukonakalisa usuku lwakho. Lokho kusho, nayi amaphutha ajwayelekile futhi abaluleke kakhulu eqenjini lama-500 okufanele uqaphele.
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- Iphutha le-500 Yeseva Yangaphakathi - Isiphakeli sakho seWebhu sizokhombisa leli phutha uma sehlangabezana nesimo sokuyivimbela ekufezeni umsebenzi wayo, okusho isicelo seklayenti.
- 501 Ayisebenzi - Iseva ayikwazi ukusekela noma ukuqaphela indlela yokucela. Iyantula ukusebenza ukucubungula isicelo ngakho-ke iphendula ngaleli phutha.
- I-502 Gate Gate - Amaseva bebenokulwa futhi manje abasakhulumi. Amahlaya eceleni, ngenkathi esebenza njengommeleli noma isango, iserver yakho ayitholanga impendulo efanelekile kusuka kuseva enyukayo ngenkathi izama ukucubungula isicelo.
- Isevisi ye-503 ayitholakali - Isimo sesikhashana lapho iseva ingatholakali ukucubungula izicelo ngoba kungenzeka kukhona ukulungiswa okwenzekayo noma okugcwele njengamanje.
- I-504 Gateway Isikhathi sokuphuma - Iseva, ngenkathi isebenza njengommeleli noma isango futhi ayitholanga mpendulo ngesikhathi kusuka kwenye iseva, njenge-DNS, ngokwesibonelo, ngakho ayikwazanga ukucubungula isicelo.
- I-505 HTTP Version Ayesekelwa - iphutha lakhe livela lapho iseva yewebhu yakho ingakwazi noma ingeke isekele inguqulo ye-HTTP protocol version evela kwisicelo. Iphutha livame ukuqukethe incazelo yokuthi kungani iseva ingabambisani.
Izimbangela ngemuva kwephutha le-502
Ezimweni eziningi, iphutha le-502 limane nje liyindlela yokuxhumana phakathi kwamaseva amabili aku-inthanethi. Lutho olukhulu futhi akukho lutho olubucayi. Kodwa-ke, ukuthola ukuthi yini ngempela ebangele iphutha le-502 izikhathi eziningi kungaba nzima kakhulu.
Isizathu esiyinhloko ukuthi leli phutha livela phakathi kwamaseva amabili aku-inthanethi awunawo nhlobo ukulawula.
For web owners that are not developers themselves, having one on your team can be very helpful when dealing with such errors. You can check online yemisebenzi yonjiniyela wesoftware ukuthola isithombe esicacile salokho ongakulindela kusuka kunjiniyela uma unganquma ukusiqasha.
Ngaphezu kwalokho, leli phutha lingazifihla njengeminye imilayezo ehlukahlukene yephutha, njenge-502 Proxy Error, HTTP 502, 502 Bad Gateway NGINX nokunye. Kunoma ikuphi, ngaphambi kokuthi ulahlekelwe ubuhlakani bakho ngaphezu kwalokho okungenzeka okubangele iphutha, nazi izizathu ezimbalwa ezivame kakhulu ngemuva kwaso.
- Iseva yemvelaphi ayisebenzi - Kalula nje, iseva yakho kungenzeka ukuthi ayisebenzi kahle. Umsuka wenkinga yakho kungenzeka ube inkinga yokuxhuma, isikhathi sokuphumula kweseva, ukulayisha ngokweqile, ithrafikhi eningi njll.
- Izinkinga zegama lesizinda - Le nkinga yenzeka lapho isizinda singanqumi ikheli le-IP kahle. Amarekhodi angalungile we-DNS asetwa njengezinga lokusingathwa kwe-Domain kungaba yisizathu ngemuva kwalolu daba. Futhi, ushintsho olwenziwe ku-DNS kungenzeka ukuthi lwalungenasikhathi esanele sokusakaza emhlabeni jikelele ngakho-ke kwenzeka iphutha. Lokhu kungenzeka ngenxa yezici ezihamba kancane ze-TTL (Isikhathi To Live).
- Isicelo esivinjelwe i-Firewall - Ah yebo, i-firewall yakudala enhle nezinkinga zayo zokuphepha. Lapho ungabaza ngenkinga, hlola isicishamlilo. Ezimweni eziningi, i-mastermind ngemuva kwephutha le-502, empeleni, yindawo yomlilo. Kungavimba izicelo phakathi kwokhonza, ikakhulukazi kumawebhusayithi e-WordPress anayo ezokuphepha plugins. Ngaphezu kwalokho, futhi kungaba ukuvikelwa kwe-DDoS ukukhahlela.
- Ukwehluleka kweseva - Iseva yakho ikhahlele ibhakede. Kunezizathu eziningana lokhu okungenzeka. Isibonelo, iseva ayixhunyiwe ku-inthanethi ngenxa yesondlo, iseva iphihlikile noma okuqukethwe kweseva kuphambene nemigomo nemibandela yomhlinzeki, hamba isibalo.
- Iphutha lesiphequluli - Kukholwe noma cha, kaningi isizathu ngemuva kwe-502 yethu izandiso zesiphequluli. Lokhu kuyiqiniso ikakhulukazi lapho kunezandiso ze-AdBlock ezivikela abasebenzisi ezikhangisweni ezicasulayo nama-pop-up. Esinye isizathu singaba yinguqulo yesikhathi esedlule yesiphequluli esetshenziswayo.
Ukulungisa iphutha le-502
Manje sesifika engxenyeni ehehayo. Ukulungisa iphutha le-502 kuvame ukuba lula njengoba kuthola. Ngombono wabathengi, lokhu kungasebenza njengokulayisha kabusha ikhasi. Kunezindlela eziningi zokulungisa leli phutha futhi zimbalwa zazo.
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- Layisha kabusha ikhasi - Yebo ufunda lelo lungelo, mane ulayishe kabusha lelo khasi bese lelo phutha lingase lihle. Njengoba kushiwo ngaphambili, into empofu ingahle idinge isikhathi esithe xaxa.
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- Qala isikhathi esisha sesiphequluli - Okunye ukulungisa ukuvala konke, ukusula umlando wokuphequlula, amakhukhi nenqolobane, bese uqala iseshini entsha. Iseshini entsha yangasese noma ye-incognito nayo ingasiza ukulungisa iphutha.
- Qala kabusha ikhompyutha yakho - Uma konke kwehluleka, setha kabusha umshini bese uzama kabusha.
- Zama isiphequluli esihlukile - Inkinga ingahlobene nesiphequluli ngakho zama enye ehlukile, njenge-Google Chrome, iMozilla Firefox njll.
- Buya ngokuhamba kwesikhathi - Izinto zibukeka zingenathemba kangako uma uzama konke okungenhla ukulungisa iphutha. Ungazama ukuxhumana nomhlinzeki wakho wesevisi ye-Intanethi noma umphathi wewebhu kodwa bese futhi, vele uzitholele ikhofi bese ubuya ngokuhamba kwesikhathi, iphutha lingazixazulula lona lapho usubuyela.
Isixazululo sonjiniyela
Iphuzu lokubuka lonjiniyela lihlukile kulowo othengayo. Ukulungisa iphutha le-502 njengomphathi wewebhu nakho kungathuthukisa. Ngakho-ke, Nazi izisombululo ezimbalwa ku-502 zonjiniyela.
- Zama ukuthola ukuthi ngabe iseva enyukayo ingafinyeleleka yini ngokulandela umkhondo noma ukuhlola i-IP kwiseva.
- Sebenzisa amathuluzi wokuhlola we-DNS ukubheka ukuthi igama lesizinda eliqeqeshiwe lixazulula kahle yini.
- Hlola iseva noma iphutha lewebhusayithi ukuze ubone ukuthi ngabe kunephutha elithile elilahlwa kwiseva.
- Kwamasayithi we-WordPress, zama ukuqamba kabusha okwesikhashana ifolda "ye-wp-/ plugins" ukukhipha ama-plugins njengembangela yephutha.
- Bheka izingodo zomlilo noma yiziphi izimpawu zamabhulokhi.
Ukuvala igama
Kuwo wonke amaphutha angaba khona okungenzeka kuseva noma kuwebhusayithi, iphutha elibi lesango elingu-502 akulona elibi kakhulu kunalezi. Noma kunjalo, kusenzima nokho.
Yize ingaxazululeka ngokushesha nangendlela efanele, ingahle iveze izingqinamba ezingathi sína ezingadala izinkinga ezinkulu ngokuzayo, yingakho kufanele ukuthi uhlole okuthe xaxa lapho kwenzeka.
