{"id":2908,"date":"2026-02-03T16:41:11","date_gmt":"2026-02-03T19:41:11","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=2908"},"modified":"2026-02-03T16:41:14","modified_gmt":"2026-02-03T19:41:14","slug":"erro-mysql-server-has-gone-away","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/erro-mysql-server-has-gone-away\/","title":{"rendered":"Como corrigir erro MySQL Server has gone away"},"content":{"rendered":"<div id=\"helps-565199659\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p class=\"wp-block-paragraph\">Entendo perfeitamente a frustra\u00e7\u00e3o. Esse erro \u00e9 o equivalente do MySQL a &#8220;desligar o telefone na sua cara&#8221; no meio de uma conversa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Corrigir erro MySQL Server has gone away. Otimiza\u00e7\u00e3o <strong><a href=\"https:\/\/mariadb.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">MariaDB<\/a><\/strong>. O erro <strong>&#8220;MySQL Server has gone away&#8221; (Erro 2006)<\/strong> geralmente acontece por dois motivos principais: ou o servidor encerrou a conex\u00e3o porque o pacote enviado era grande demais, ou a conex\u00e3o expirou por inatividade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aqui est\u00e1 o passo a passo para diagnosticar e resolver isso:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-aumentar-o-max-allowed-packet\">1. Aumentar o <code>max_allowed_packet<\/code><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Esta \u00e9 a causa n\u00famero um. Se voc\u00ea est\u00e1 tentando subir uma tabela pesada ou um dump de banco de dados, o MySQL mata a conex\u00e3o se o arquivo for maior que o limite configurado.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Onde mudar:<\/strong> No seu arquivo de configura\u00e7\u00e3o (<code>my.cnf<\/code> no <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Como instalar Crowdsec\" target=\"_blank\" rel=\"noopener\">Linux<\/a> ou <code>my.ini<\/code> no Windows).<\/li>\n\n\n\n<li><strong>O que fazer:<\/strong> Localize a se\u00e7\u00e3o <code>[mysqld]<\/code> e aumente o valor.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>[mysqld]\nmax_allowed_packet = 64M\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(Voc\u00ea pode tentar 128M ou at\u00e9 512M se estiver lidando com BLOBs gigantes).<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-ajustar-o-wait-timeout\">2. Ajustar o <code>wait_timeout<\/code><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se o seu script demora muito para processar dados entre uma consulta e outra, o MySQL fecha a conex\u00e3o por &#8220;t\u00e9dio&#8221; (inatividade).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O que fazer:<\/strong> Aumente o tempo que o servidor espera antes de derrubar uma conex\u00e3o ociosa.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>wait_timeout = 28800\ninteractive_timeout = 28800\n<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Isso define o tempo de espera para 8 horas.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-verificar-o-tempo-de-execucao-no-php-se-aplicavel\">3. Verificar o Tempo de Execu\u00e7\u00e3o no PHP (se aplic\u00e1vel)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea estiver usando PHP, o problema pode n\u00e3o estar apenas no banco, mas no tempo que o script leva para rodar. Verifique o seu <code>php.ini<\/code>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>max_execution_time = 300<\/code><\/li>\n\n\n\n<li><code>memory_limit = 256M<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-problema-de-dns-conexoes-lentas\">4. Problema de DNS (Conex\u00f5es Lentas)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0s vezes, o servidor tenta resolver o nome do host de quem est\u00e1 conectando e isso demora tanto que gera um timeout. Adicionar esta linha no <code>my.cnf<\/code> pode resolver instantaneamente:<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>[mysqld]\nskip-name-resolve\n<\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-como-aplicar-as-mudancas\">Como aplicar as mudan\u00e7as?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s alterar o arquivo <code>my.cnf<\/code> ou <code>my.ini<\/code>, voc\u00ea <strong>precisa reiniciar o servi\u00e7o do MySQL<\/strong> para que as novas regras entrem em vigor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Linux:<\/strong> <code>sudo systemctl restart mysql<\/code><\/li>\n\n\n\n<li><strong>Windows:<\/strong> Reinicie o servi\u00e7o atrav\u00e9s do &#8220;Services.msc&#8221; ou painel do XAMPP\/Wamp.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Dica de Ouro:<\/strong> Se voc\u00ea n\u00e3o tem acesso ao arquivo de configura\u00e7\u00e3o (em uma hospedagem compartilhada, por exemplo), tente executar o comando SQL <code>SET GLOBAL max_allowed_packet=67108864;<\/code> direto no seu gerenciador de banco de dados, embora nem sempre os provedores permitam isso.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faq\">FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1770146725387\"><strong class=\"schema-faq-question\">O que \u00e9 o max_allowed_packet?<\/strong> <p class=\"schema-faq-answer\">\u00c9 uma vari\u00e1vel que define o tamanho m\u00e1ximo de um pacote de dados que o servidor pode receber\u2026<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1770146760749\"><strong class=\"schema-faq-question\"><\/strong> <p class=\"schema-faq-answer\"><\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Entendo perfeitamente a frustra\u00e7\u00e3o. Esse erro \u00e9 o equivalente do MySQL a &#8220;desligar o telefone na sua cara&#8221; no meio de uma [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2909,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,1279],"tags":[],"class_list":["post-2908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gerenciamento-servidor","category-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Como corrigir erro MySQL Server has gone away - Blog HelpSysAdmin<\/title>\n<meta name=\"description\" content=\"Blog HelpSysAdmin - Como corrigir erro MySQL Server has gone away\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helpsysadmin.com.br\/blog\/erro-mysql-server-has-gone-away\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como corrigir erro MySQL Server has gone away\" \/>\n<meta property=\"og:description\" content=\"Blog HelpSysAdmin - 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