[英]Laravel project working local php 7.4 but throwing error on aws ec2 php7.4
我已经在我的本地机器上将我的 php/xampp 升级到 7.4.8，我的 laravel 项目最初抛出了一个错误。 我通过运行 update composer 命令更新了作曲家。 作曲家更新后，项目工作正常，所有 API 都返回正确的响应
我现在在 AWS ec2 上托管了相同的项目，并且 php 版本相同（7.4）并进行了必要的设置，例如配置虚拟主机文件和其他必要的权限。
但是，我收到一个错误。 它的 html 错误响应很长，但错误的快照如下
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}:container:;after { content: ""; display: table; clear. both: };exception-summary { background: #B0413E, border-bottom, 2px solid rgba(0, 0. 0; 0:1), border-top, 1px solid rgba(0, 0. 0; :3); flex: 0 0 auto; margin-bottom. 30px: };exception-message-wrapper { display: flex; align-items: center; min-height. 70px: };exception-message { flex-grow: 1; padding. 30px 0, }.exception-message: ;exception-message a { color: #FFF; font-size: 21px; font-weight: 400; margin. 0. }:exception-message;long { font-size. 18px: },exception-message a { border-bottom, 1px solid rgba(255, 255. 255; 0:5); font-size: inherit; text-decoration. none: }:exception-message a;hover { border-bottom-color. #ffffff: };exception-illustration { flex-basis: 111px; flex-shrink: 0; height: 66px; margin-left: 15px. opacity; .7. }:trace +;trace { margin-top. 30px. }:trace-head;trace-class { color: #222; font-size: 18px; font-weight: bold. line-height; 1:3; margin: 0; position. relative: };trace-message { font-size: 14px; font-weight: normal. margin; .5em 0 0, }.trace-file-path: ;trace-file-path a { color: #222; margin-top: 3px; font-size. 13px: };trace-class { color. #B0413E: };trace-type { padding. 0 2px: };trace-method { color: #B0413E; font-weight. bold: };trace-arguments { color: #777; font-weight: normal; padding-left: 2px. } @media (min-width: 575px) {;hidden-xs-down { display: initial. } } </style> </head> <body> <div class="exception-summary"> <div class="container"> <div class="exception-message-wrapper"> <h1 class="break-long-words exception-message">Trying to access array offset on value of type null</h1> <div class="exception-illustration hidden-xs-down"><svg viewBox="0 0 136 81" xmlns="http.//www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.4"><path d="M92.4 20.4a23.2 23.2 0 0 1 9 1.9 23.7 23.7 0 0 1 5.2 3 24.3 24.3 0 0 1 3.4 3.4 24.8 24.8 0 0 1 5 9.4c.5 1.7.8 3.4 1 5.2v14.5h.4l.5.2a7.4 7.4 0 0 0 2.5.2l.2-.2.6-.8.8-1.3-.2-.1a5.5 5.5 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class="exception_title"><abbr title="ErrorException">ErrorException</abbr></span> </h3> <p class="break-long-words trace-message">Trying to access array offset on value of type null</p> </th></tr></thead> <tbody><tr><td><span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/app/Exceptions/Handler.php line 98"><strong>Handler.php</strong> line 98</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Concerns\{closure}</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/app/Exceptions/Handler.php line 98"><strong>Handler.php</strong> line 98</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="App\Exceptions\Handler">Handler</abbr></span><span class="trace-type">-></span><span class="trace-method">render</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Routing/Pipeline.php line 78"><strong>Pipeline.php</strong> line 78</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Routing\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">handleException</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Routing/Pipeline.php line 54"><strong>Pipeline.php</strong> line 54</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Routing\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Routing\{closure}</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/app/Http/Middleware/ClientSecureMiddleware.php line 24"><strong>ClientSecureMiddleware.php</strong> line 24</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="App\Http\Middleware\ClientSecureMiddleware">ClientSecureMiddleware</abbr></span><span class="trace-type">-></span><span class="trace-method">handle</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/illuminate/pipeline/Pipeline.php line 163"><strong>Pipeline.php</strong> line 163</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Illuminate\Pipeline\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Illuminate\Pipeline\{closure}</span>(<span class="trace-arguments"></span>)</td></tr> <tr><td>at <span class="trace-class"><abbr title=""></abbr></span><span class="trace-type"></span><span class="trace-method">call_user_func</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Routing/Pipeline.php line 32"><strong>Pipeline.php</strong> line 32</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Routing\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Routing\{closure}</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/app/Http/Middleware/ApiDataLogger.php line 27"><strong>ApiDataLogger.php</strong> line 27</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="App\Http\Middleware\ApiDataLogger">ApiDataLogger</abbr></span><span class="trace-type">-></span><span class="trace-method">handle</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/illuminate/pipeline/Pipeline.php line 163"><strong>Pipeline.php</strong> line 163</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Illuminate\Pipeline\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Illuminate\Pipeline\{closure}</span>(<span class="trace-arguments"></span>)</td></tr> <tr><td>at <span class="trace-class"><abbr title=""></abbr></span><span class="trace-type"></span><span class="trace-method">call_user_func</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Routing/Pipeline.php line 32"><strong>Pipeline.php</strong> line 32</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Routing\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Routing\{closure}</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/illuminate/pipeline/Pipeline.php line 104"><strong>Pipeline.php</strong> line 104</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Illuminate\Pipeline\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">then</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php line 413"><strong>RoutesRequests.php</strong> line 413</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">sendThroughPipeline</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php line 259"><strong>RoutesRequests.php</strong> line 259</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">handleFoundRoute</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php line 165"><strong>RoutesRequests.php</strong> line 165</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Concerns\{closure}</span>(<span class="trace-arguments"></span>)</td></tr> <tr><td>at <span class="trace-class"><abbr title=""></abbr></span><span class="trace-type"></span><span class="trace-method">call_user_func</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Routing/Pipeline.php line 52"><strong>Pipeline.php</strong> line 52</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Routing\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Routing\{closure}</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/app/Http/Middleware/ApiDataLogger.php line 27"><strong>ApiDataLogger.php</strong> line 27</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="App\Http\Middleware\ApiDataLogger">ApiDataLogger</abbr></span><span class="trace-type">-></span><span class="trace-method">handle</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/illuminate/pipeline/Pipeline.php line 163"><strong>Pipeline.php</strong> line 163</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Illuminate\Pipeline\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Illuminate\Pipeline\{closure}</span>(<span class="trace-arguments"></span>)</td></tr> <tr><td>at <span class="trace-class"><abbr title=""></abbr></span><span class="trace-type"></span><span class="trace-method">call_user_func</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Routing/Pipeline.php line 32"><strong>Pipeline.php</strong> line 32</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Routing\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">Laravel\Lumen\Routing\{closure}</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/illuminate/pipeline/Pipeline.php line 104"><strong>Pipeline.php</strong> line 104</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Illuminate\Pipeline\Pipeline">Pipeline</abbr></span><span class="trace-type">-></span><span class="trace-method">then</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php line 413"><strong>RoutesRequests.php</strong> line 413</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">sendThroughPipeline</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php line 171"><strong>RoutesRequests.php</strong> line 171</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">dispatch</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php line 108"><strong>RoutesRequests.php</strong> line 108</span></span></td></tr> <tr><td>at <span class="trace-class"><abbr title="Laravel\Lumen\Application">Application</abbr></span><span class="trace-type">-></span><span class="trace-method">run</span>(<span class="trace-arguments"></span>)<span class="block trace-file-path">in <span title="/var/www/od_serv/api_v4/index.php line 28"><strong>index.php</strong> line 28</span></span></td></tr> </tbody> </table> </div> </div> </body> </html>
我不知道如何解决这个问题。 有人可以给我一些关于如何修复它的线索。 我不是 php 或 AWS 专家，但具有使用 php 和 linux 的基本知识
问候赛义德
最终，这归结为尝试访问属性上的数组键的错误处理，即使它不存在，代码也将其视为始终存在。
在这种情况下，该值为 null，我将在下面使用代码进行解释。
$array = null;
$value = $array['key']['sub_key']; //In pseudocode this is the equivalent of running null['key']['sub_key']
如您所见，上面的内容根本不起作用，因为值为 null，这是您收到的错误。
这通常通过在尝试分配值之前包装在isset function 即isset($array['key']['sub_key'])中来解决。
查看错误堆栈的形式我相信 Laravel 没有优雅地处理丢失的数组，事实上，自 PHP 7.4 发布以来，似乎已经针对框架中的位置提出了几个问题，因此值得提出这一点。
由于它在一种环境中工作而不是在另一种环境中工作，因此我只能建议以下内容：
Phpmyadmin 不适用于 ubuntu 22.04 与 php7.4 和 apache2
[英]Phpmyadmin is not working on ubuntu 22.04 with php7.4 and apache2
sudo pecl 安装 sqlsrv 错误：无法在 Catalina php7.4 上 mkdir /usr/local/Cellar/php/7.4.1/pecl/20190902
[英]sudo pecl install sqlsrv ERROR: failed to mkdir /usr/local/Cellar/php/7.4.1/pecl/20190902 on Catalina php7.4
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