YIi2 Object 报错问题

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yii2 HeadersAlreadySentException 报错

An Error occurred while handling another error:exception 'yii\web\HeadersAlreadySentException' with message 'Headers already sent in /xxxx/xxxx/xxx.php on line 90.' in /xxxx/xxxx/vendor/yiisoft/yii2/web/Response.php:366 Stack trace:#0 /xxxx/xxxx/vend…

yii2 HeadersAlreadySentException 报错解决方案

报错如下: An Error occurred while handling another error: exception Stack trace: # /xxxx/xxxx/vendor/yiisoft/yii2/web/Response.php(): yii\web\Response->sendHeaders() # /xxxx/xxxx/vendor/yiisoft/yii2/web/ErrorHandler.php(): yii\web\Response->send() #/xx…

spring使用jackson返回object报错:Handler execution resulted in exception: Could not find acceptable representation

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php7.2版本+yii2会报错

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MacTex XeLaTex xdvipdfmx:fatal: pdf_ref_obj(): passed invalid object. 报错的解决方法

在使用MacTex配合TexStudio编译beamer的时候,爆出如下错误, xdvipdfmx:fatal: pdf_ref_obj(): passed invalid object. 结果尝试其他tex文件,也不能正常编译. 按照如下方式解决: http://tex.stackexchange.com/questions/173038/xetex-and-xdvipdfmx-problem-in-texstudio-2 主要是TexStudio的设置 Show Advanced O…

yii2.0 报错Cookievalidationkey Must Be Configured With A Secret Key

'components' => [ 'request' => [ // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation 'cookieValidationKey' => 'test', //这里配置秘钥字符串就不会报错了 ]]…

Yii2 登录报错

当用数据库登录系统报如下错误时 PHP Recoverable Error – yii\base\ErrorException Argument 1 passed to yii\web\User::login() must be an instance of yii\web\IdentityInterface, instance of app\modules\admin\models\AdminUser given, called in /home/ser/web_root/sun/module…