网站返回502曾经放在负载平衡器后面
我有这个网站可行，但是一旦将其放在负载平衡器后面，就会出现502个错误。经过一些故障排除后，此片段是罪魁祸首。
if( function_exists( 'is_shop' ) && is_shop( ) ){
// $redirect_page_id = 132; // adjust to ID of page you are redirecting to */
wp_redirect( '/product-category/main-dish/' , 301 ); exit;
}
}
add_action( 'template_redirect', 'shop_redirect' );
我希望商店页面（也是主页）成为一个特定的产品档案页面。因此，我进行了重定向。以上片段工作正常，但是一旦我添加了负载平衡器，它就无法正常工作。它返回502错误。我不明白为什么它停止在负载平衡器后面工作。
负载均衡器的错误是statusDetails：“ Failed_to_to_pick_backend”
我试图将产品存档页面作为主页。我尝试使用的方法是让主页domain.com重定向到domain.com/product-category/main-dish/
我尝试了许多不同的方法来配置负载平衡器并丢失它们。这是当前的设置，我尝试启用和禁用代码段。
只是一个回顾：
- 该网站与启用重定向段的正确配合。
- 但是，一旦将其放置在负载平衡器后面，它就会产生502错误
- 没有502错误
- ，使用负载平衡器，当启用重定向片段时禁用重定向片段时，
I have this website that works but once it is placed behind a load balancer, it gives a 502 error. After some troubleshooting, this snippet is the culprit.
if( function_exists( 'is_shop' ) && is_shop( ) ){
// $redirect_page_id = 132; // adjust to ID of page you are redirecting to */
wp_redirect( '/product-category/main-dish/' , 301 ); exit;
}
}
add_action( 'template_redirect', 'shop_redirect' );
I want the shop page, which is also the home page, to be a specific product archive page. Hence, I do a redirection. The above snippet works fine but once I added a load balancer, it fails to work. It returns a 502 error. I don't understand why it stops working behind a load balancer.
The error from load balancer is statusDetails: "failed_to_pick_backend"
What I am trying to is to have the product archive page to be the home page. The approach I attempted is to have the home page domain.com to redirect to domain.com/product-category/main-dish/
I've tried many different ways to configure the load balancer and lost track of them. This is the current setting and I've tried with enabling and disabling the code snippet.
Just a recap:
- The website works correctly with the redirection snippet enabled.
- However, once it is placed behind a load balancer, it produces 502 error
- With a load balancer, there is no 502 error when the redirection snippet is disabled
- When the redirection snippet is enabled, it produces 502.
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检查您在创建负载均衡器时创建的运行状况检查，如果运行状况检查显示不健康状态，则添加运行状况检查防火墙规则，即使实例工作正常。
Check the health check you created while creating load balancer , add health check firewall rule if health check is showing unhealthy status even though instance is working fine.