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WebSocket 连接‘wss://test.example.com:8090/’失败：WebSocket 打开握手超时

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WebSocket 连接‘wss://test.example.com:8090/’失败：WebSocket 打开握手超时

我在 Laravel 项目中使用 https 和 websocket 连接。我已设置虚拟主机，如下所示：

<VirtualHost *:80>
ServerName test.example.com
ServerAdmin test.example.com
RewriteEngine On
RewriteRule ^(.*)$ https://%{HTTP_HOST}$1 [R=301,L]
</VirtualHost>

<VirtualHost *:443>

ServerAdmin test.example.com
ServerName test.example.com

SSLEngine on
SSLCertificateFile "cert.pem"
SSLCertificateKeyFile "privkey.pem"
SSLCertificateChainFile "chain.pem"

SSLProxyEngine On
ProxyPreserveHost On
ProxyRequests Off

ProxyPass /wss wss://test.example.com:8090/
ProxyPassReverse /wss wss://test.example.com:8090/

DocumentRoot "/var/www/html/laravel/public"
<Directory "/var/www/html/laravel/public">
    Options Indexes FollowSymLinks Includes ExecCGI
    AllowOverride all
    Require all granted
</Directory>
</VirtualHost>

但它在浏览器中显示错误：

   WebSocket connection to 'wss://test.example.com:8090/' failed: WebSocket opening handshake timed out

配置如下：

tcp        0      0 127.0.0.53:53           0.0.0.0:*               LISTEN      
6426/systemd-resolv
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      
937/sshd
tcp        0      0 {{MY publicIP}}:8090     0.0.0.0:*               LISTEN      
11576/php
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      
19335/mysqld

您能帮助我们解决什么问题吗？

提前致谢

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