Imposiso "502 Bad Gateway" - yintoni na? Izizathu kunye noMthetho waMayeza

Wonke umsebenzisi Internet sele sibonile kumyalezo umkhangeli "502: Bad Gateway», nto leyo ithetha ukuba ukubonakala impazamo kwicala le web womncedisi ngexesha processing umbuzo. Unobangela oqhelekileyo lokungaphumeleli ezinxulumene kahle umncedisi we web zekhompyutha okanye inkampani ibamba. umba mgangatho ukuphathwa DNS engafanelekanga okanye lomncedisi womntu onegunya.

Ntoni "502: Bad Gateway"

Le mpazamo libonisa ukuba isicelo ukusuka zeweb web server kwi awayenzayo, kodwa iphathwa ngokungachanekanga okanye zisuswe efolisiweyo eqhelekileyo. Ukuba umncedisi isicelo ibekwe emva gateway Internet, kungenzeka ingxaki esangweni okanye umsebenzi umncedisi we web, nto leyo edlulisela ulwazi yemposiso esangweni, kwaye ke uboniswa ibhrawuza lomsebenzisi.

Izinto ezibangela Imposiso 502. Ukunqongophala kwezibonelelo server

Ingxaki engundoqo isenzeko Lemposiso imithombo umncedisi laneleyo ukusingatha imibuzo engenayo, ngenxa apho umncedisi uqala ukwenza impazamo 502. Ukungabikho kwezixhobo abe nokuba hardware (ukunqongophala inkumbulo, isantya processing ayoneli okanye drive) kunye software ezinxulumene ne iseva okanye software misconfiguration kusetyenziswa.

Kodwa ke kukho iimeko apho umncedisi izibonelelo ezaneleyo iyaqhubeka ukuvelisa njalo impazamo 502: Bad Gateway. Yintoni na, ukuba akunjalo ukusilela zekhompyutha?

imida Resource unokufakwa ngokuzenzekelayo xa uphuma iseva VPS elizimiseleyo okanye ekwabelwana ngaphandle nokusingatha isicwangciso woluhlu lweerhafu. Ngenxa yoko, umncedisi ayinakuluphatha umthwalo yangoku.

abancedisi Web ezifana Apache, abe inani eliqingqiweyo isicelo abaphatha, ezo echazwe kuqwalaselo lwayo. Ukuba bobabini uxakekile, isicelo engenayo uyafoliswa, kanti oko kusenokuba ukudlula umzuzu ngamnye kubo. Kwimeko apho isicelo sexesha kuba ayamkelekanga kwaye umsebenzisi kuvela Umqheba imposiso 502. Ngaphezu nje ayinakho Ayinabutyebi ngokwaneleyo yangoku efumanekayo ufolo processing eqhelekileyo.

Ukuba usebenzisa kwi PHP kumncedisi + software FastCGI iinyanda kumanqanba neenkqubo ezingezizo eliphezulu PHP-CGI phantse lonke kuvela eninzi kunye nokunqongophala kwezibonelelo.

Iimbangi uqhelekileyo yokunqongophala kwezibonelelo izicelo processing

1. Umncedisi akakwazi ukumelana inani labatyeleli ngaxeshanye. Kwakhona, inxalenye ebalulekileyo kwezibonelelo ukuze bachithe ezahlukeneyo izigcawu enjini yokukhangela , kwaye eempendulo software engalunganga.
2. omninzi server ngexesha Uchwepheshe DDos-ukuhlaselwa xa umncedisi kwaziswa ukusilela inani elikhulu lezicelo abalandelanayo ukuba iphunyezwe.
3. Kukho amaxesha xa usebenzisa iinkonzo ukusingathwa virtual ngequbuliso impazamo 502: Gateway Bad. Kuthetha ukuthini? Oku kubonisa ingxaki ecaleni host, eyaziwa ngokuba lwentengiso, t. E. Inkampani Hosting ngokubeka server elinye isixa kumxhasi akhawunti ukuba kwimbali umbane Incopho abanazo izibonelelo zekhompyutha.
4. uqwalaselo elingalunganga yomncedisi ngokwayo, okanye ukunqongophala software okanye ukuhambelana iintsimbi.
5. Ukusebenzisa i plug izibonelelo online zangaphandle, ezifana ekhawuntaleni undwendwe, oontamnani ezahlukeneyo, izikripthi. Le Imposiso kunokwenzeka xa iingxaki kunye kwimithombo yangaphandle.
6. Umxokozelo iifayile ezinkulu kumncedisi xa umgangatho ophantsi lwe Internet.

PHP Script Iimpazamo

Imposiso 502 lunokwenzeka kuba izikripthi, plug-ins okanye ukwandiswa PHP neelwimi, ezisukuba ekugqityweni ukuphunyezwa iseva ologe nokudlulisela ikhowudi ahambelanayo. Umzekelo, ukwenza impazamo 502: Bad Gateway nginx njengomnye ungummeli iinketho nomncedisi ngenxa nokuzimisela ngokungafanelekanga ye imo script nendlela abayibona loqhawulo kunye iinkonzo umncedisi we web nje ukusilela kwinkqubo.

Ngoko ke, lonke ulwazi emile (imizobo, amaphepha site, Iirobhothi) iifayile ukulayisha ngokufanelekileyo kwaye ngaphandle iimpazamo. Ntoni "502: Bad Gateway" kule meko? Ukuba kumka kwenzeka xa ulanda zeempendulo software, plug-ins kunye nezandiso.

amanyathelo okulungisa 502

Inyathelo lokuqala kukuhlalutya umthwalo umncedisi lwangoku, ingakumbi kuloo maxesha okuba singazi ulahlekiso. ingqalelo ekhethekileyo kufuneka ihlawulwe imemori umthwalo kunye nemfuneko ukunyusa ubungakanani bayo ukuphucula inkqubo yombuzo.

Jonga isicwangciso oluchanekileyo imida kwinani ngaxeshanye kusingathwa kwiinkqubo ze-PHP-CGI. uqwalaselo yabo embi kukhokelela inkonzo ekhawulezileyo umyalezo nasisihlo rhoqo omninzi "502: Bad Gateway". Yintoni na nendlela ukunyenyisa imida iinkqubo, fumana nomboneleli kwedesika isevisi yokubamba.

Nciphisa izicelo kwizibonelelo kwinethiwekhi yangaphandle, uze usete ixesha elisikiweyo kulayishwa yabo impendulo. Oku kukuvumela ukuba ubone, ukuba ushiye izibonelelo xa umncedisi, kwaye bancede balahle zangaphandle ", Isuka" wesiza.

Kwimeko zavuza useto umncedisi uqwalaselo lwentengiso okanye ezingachanekanga, qhagamshelana host inkxaso kubathengi. Ukuba akukho indlela kunye ingxaki iyaqhubeka, umniki utshintsho ibamba. Iseva ayikho kungabangela ilahleko ngenxa yempazamo elula 502: Bad Gateway. Kuthetha ntoni oku wezoshishino, ndicinga ukuba akukho mfuneko ukuchaza.