{"id":8403,"date":"2025-02-14T06:03:40","date_gmt":"2025-02-14T06:03:40","guid":{"rendered":"https:\/\/howtogeek.blog\/lt\/?p=8403"},"modified":"2025-02-14T06:03:40","modified_gmt":"2025-02-14T06:03:40","slug":"how-to-resolve-mysql-fatal-error-5-effective-solutions","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/lt\/how-to-resolve-mysql-fatal-error-5-effective-solutions\/","title":{"rendered":"Kaip i\u0161spr\u0119sti mirtin\u0105 MySQL klaid\u0105: 5 veiksmingi sprendimai"},"content":{"rendered":"<p>Susid\u016brimas su mirtina MySQL klaida k\u016br\u0117jams gali b\u016bti bauginanti patirtis, nes \u0161i problema da\u017enai trukdo tinkamai pasiekti duomen\u0173 baz\u0119. Laimei, mes suk\u016br\u0117me kelet\u0105 paprast\u0173 sprendim\u0173, kurie pad\u0117s jums veiksmingai i\u0161spr\u0119sti \u0161ias klaidas.<\/p>\n<h2 id=\"h-how-do-i-fix-a-fatal-error-in-mysql\">Kaip i\u0161taisyti mirtin\u0105 \u201eMySQL\u201c klaid\u0105<\/h2>\n<p>Prie\u0161 pasinerdami \u012f i\u0161pl\u0117stin\u012f trik\u010di\u0173 \u0161alinim\u0105, labai svarbu patikrinti duomen\u0173 baz\u0117s ry\u0161\u012f. Vietin\u0117ms s\u0105rankoms apsvarstykite galimyb\u0119 naudoti <code>127.0.0.1<\/code>vietoj <code>localhost<\/code>.<\/p>\n<h3 id=\"h-1-check-your-code\">1. Atid\u017eiai per\u017ei\u016br\u0117kite savo kod\u0105<\/h3>\n<ul>\n<li>Stenkit\u0117s nenaudoti kabu\u010di\u0173 failo pavadinimo eilut\u0117se. Vietoj <code><strong>general_log_file=\"A.log\"<\/strong><\/code>, naudokite <code><strong>general_log_file=.\/general.log<\/strong><\/code>tinkam\u0105 sintaks\u0119.<\/li>\n<li>Patikrinkite, ar nuosekliai naudojamos citatos. Pavieni\u0173 kabu\u010di\u0173 mai\u0161ymas su dvigubomis kabut\u0117mis ir apostrofais gali sukelti netik\u0117t\u0173 klaid\u0173.<\/li>\n<li>Nepamir\u0161kite i\u0161saugoti vis\u0173 kodo pakeitim\u0173 prie\u0161 dar kart\u0105 bandydami ry\u0161\u012f.<\/li>\n<\/ul>\n<h3 id=\"h-2-try-upgrading-mysql\">2. Atnaujinkite savo MySQL versij\u0105<\/h3>\n<ul>\n<li>\u012erenginyje atidarykite terminalo program\u0105.<\/li>\n<li>Vykdykite komand\u0105: <code><strong>\/etc\/init.d\/mysqld start --skip-grant-tables &amp;&amp; mysql_upgrade<\/strong><\/code> <img alt=\"mysql atnaujinimas\" class=\"wp-image\" decoding=\"async\" height=\"244\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/02\/mysql-upgrade.webp\" title=\"mysql atnaujinimas\" width=\"690\"\/> <\/li>\n<li>Kai naujinimas bus baigtas, i\u0161 naujo paleiskite \u201eMySQL\u201c paslaug\u0105 naudodami: <code><strong>\/etc\/init.d\/mysqld restart<\/strong><\/code> <img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"168\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/02\/mysqld-restart.webp\" title=\"\" width=\"533\"\/> <\/li>\n<\/ul>\n<p>\u0160is procesas ypa\u010d efektyvus, kai \u012fvyksta mirtina klaida, nurodanti, kad lentel\u0117 <code>mysql.user<\/code>sugadinta, da\u017eniausiai d\u0117l to, kad \u012frenginyje \u012fdiegtos kelios MySQL versijos.<\/p>\n<h3 id=\"h-3-increase-the-timeouts\">3. Padidinkite komand\u0173 skirt\u0105j\u012f laik\u0105<\/h3>\n<ul>\n<li>Atidarykite savo programavimo kod\u0105 ten, kur u\u017emegztas duomen\u0173 baz\u0117s ry\u0161ys.<\/li>\n<li>Prid\u0117kite \u0161i\u0105 eilut\u0119, kad padidintum\u0117te komandos skirtojo laiko trukm\u0119: <code><strong>cmd. CommandTimeout = 86400<\/strong><\/code> <img alt=\"komandos skirtasis laikas\" class=\"wp-image\" decoding=\"async\" height=\"123\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/02\/command-timeout.webp\" title=\"komandos skirtasis laikas\" width=\"484\"\/> <\/li>\n<li>Apsvarstykite galimyb\u0119 sukurti indeksus, kad pagreitintum\u0117te JOIN proces\u0105, naudodami toki\u0105 sintaks\u0119: <code><strong>CREATE INDEX bilan_siren ON bilan(siren); CREATE INDEX data_siren ON data(siren);<\/strong><\/code> <img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"201\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/02\/create-index-code.webp\" title=\"\" width=\"601\"\/> <\/li>\n<li>\u012edieg\u0119 \u0161iuos pakeitimus i\u0161saugokite kod\u0105 ir dar kart\u0105 i\u0161bandykite ry\u0161\u012f, kad su\u017einotum\u0117te, ar problema i\u0161lieka.<\/li>\n<\/ul>\n<h3 id=\"h-4-add-timeouts-if-not-added\">4.\u012ediekite ry\u0161io skirt\u0105j\u012f laik\u0105<\/h3>\n<ul>\n<li>Gr\u012f\u017ekite \u012f savo kod\u0105, kad \u012fsitikintum\u0117te, jog skirtis laikas yra tinkamai pritaikytas.<\/li>\n<li>\u012eveskite skirtojo laiko nustatymus tarp <code>connection. Open()<\/code>ir <code>ExecuteNonQuery()<\/code>skambu\u010di\u0173 taip: <code><strong>connection. Open(); MySqlCommand cmd = new MySqlCommand(\"set net_write_timeout=99999; set net_read_timeout=99999\", connection); cmd. ExecuteNonQuery(); int numOfRecordsUpdated = command. ExecuteNonQuery();<\/strong><\/code> <img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"242\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/02\/timeout-cmd.webp\" title=\"\" width=\"867\"\/> <\/li>\n<li>Nepamir\u0161kite i\u0161saugoti vis\u0173 pakeitim\u0173!<\/li>\n<\/ul>\n<h3 id=\"h-5-use-try-catch\">5.\u012ediekite \u201eTry-Catch\u201c, kad gal\u0117tum\u0117te valdyti klaidas<\/h3>\n<ul>\n<li>Atidarykite savo MySQL ry\u0161io kod\u0105.<\/li>\n<li>\u012eveskite \u201etry-catch\u201c blok\u0105, kad gal\u0117tum\u0117te efektyviai valdyti i\u0161imtis, u\u017ekoduodami j\u012f taip: <code><strong>function dbConnect() { try { return new mysqli('localhost', 'centr120_genuser', 'Baroque73!', 'centr120_cmp'); } catch(mysqli_sql_exception) {} return new mysqli('localhost', 'pract458_genuser', 'Gunjur64!', 'pract458_cmp'); }<\/strong><\/code> <img alt=\"pabandyk pagauti mysql\" class=\"wp-image\" decoding=\"async\" height=\"234\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/02\/try-catch-mysql.webp\" title=\"pabandyk pagauti mysql\" width=\"822\"\/> <\/li>\n<li>Kai nustatysite, b\u016btinai i\u0161saugokite savo darb\u0105.<\/li>\n<\/ul>\n<p>Yra \u012fvairi\u0173 MySQL Fatal klaid\u0173 prane\u0161im\u0173, kuri\u0173 kiekvienam reikia pritaikyto po\u017ei\u016brio, pagr\u012fsto jo specifika. Ta\u010diau prie\u0161 ie\u0161kodami sud\u0117tingesni\u0173 sprendim\u0173, prad\u0117kite nuo kodo patvirtinimo ir skirtojo laiko \u012fgyvendinimo.<\/p>\n<p>Be to, prie\u0161 sprend\u017eiant kitas problemas, labai svarbu reguliariai kurti atsargines MySQL duomen\u0173 baz\u0117s kopijas ir bandyti pataisyti bet koki\u0105 sugadint\u0105 duomen\u0173 baz\u0119 SQL serveryje.<\/p>\n<h2>Da\u017enai u\u017eduodami klausimai<\/h2>\n<h3><strong>1. Kas sukelia mirtin\u0105 MySQL klaid\u0105?<\/strong><\/h3>\n<p>Mirtin\u0105 MySQL klaid\u0105 gali sukelti \u012fvair\u016bs veiksniai, \u012fskaitant neteisingus ry\u0161io parametrus, sugadintas duomen\u0173 baz\u0117s lenteles arba konfliktus d\u0117l keli\u0173 toje pa\u010dioje sistemoje \u012fdiegt\u0173 MySQL versij\u0173.<\/p>\n<h3><strong>2. Kaip nustatyti konkret\u0173 mirtinos klaidos prane\u0161im\u0105?<\/strong><\/h3>\n<p>Nor\u0117dami tiksliai nustatyti mirtin\u0105 klaidos prane\u0161im\u0105, patikrinkite MySQL klaid\u0173 \u017eurnal\u0105, kur\u012f paprastai galima rasti MySQL diegimo kataloge.\u017durnalo analiz\u0117 suteiks \u012f\u017evalg\u0173 apie klaidos prie\u017east\u012f.<\/p>\n<h3><strong>3. Ar galiu atkurti sugadint\u0105 MySQL duomen\u0173 baz\u0119?<\/strong><\/h3>\n<p>Taip, galima atkurti sugadint\u0105 MySQL duomen\u0173 baz\u0119. Galite naudoti <code>mysqlcheck<\/code>\u012frank\u012f lentel\u0117ms taisyti ir visada \u012fsitikinkite, kad turite atsargines kopijas prie\u0161 prad\u0117dami bet kokius atk\u016brimo procesus.<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/windowsreport.com\/mysql-fatal-error\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u0160altinis ir vaizdai<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Susid\u016brimas su mirtina MySQL klaida k\u016br\u0117jams gali b\u016bti bauginanti patirtis, nes \u0161i problema da\u017enai trukdo tinkamai pasiekti duomen\u0173 baz\u0119. Laimei, mes suk\u016br\u0117me kelet\u0105 paprast\u0173 sprendim\u0173, kurie pad\u0117s jums veiksmingai i\u0161spr\u0119sti \u0161ias klaidas. Kaip i\u0161taisyti mirtin\u0105 \u201eMySQL\u201c klaid\u0105 Prie\u0161 pasinerdami \u012f i\u0161pl\u0117stin\u012f trik\u010di\u0173 \u0161alinim\u0105, labai svarbu patikrinti duomen\u0173 baz\u0117s ry\u0161\u012f. Vietin\u0117ms s\u0105rankoms apsvarstykite galimyb\u0119 naudoti 127.0.0.1vietoj [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9],"class_list":["post-8403","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-windows"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/posts\/8403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/comments?post=8403"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/posts\/8403\/revisions"}],"predecessor-version":[{"id":8404,"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/posts\/8403\/revisions\/8404"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/media?parent=8403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/categories?post=8403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/lt\/wp-json\/wp\/v2\/tags?post=8403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}