我有一个在Docker容器（CentOS 7）中运行的apache Web服务器，它作为我的应用服务器（RHEL7.6）的反向代理，运行JBOSS -这工作得很好。
我希望通过在httpd.conf中添加ProxyPass部分来公开应用服务器中的一些日志文件，就像文档中的ReverseProxy部分所提到的那样：https://httpd.apache.org/docs/2.4/urlmapping.html#page-header
我已经尝试通过将以下部分添加到我的httpd.conf中来遵循这一点。

ServerName "${web_server}"
DocumentRoot "/var/www/html"

ProxyRequests Off

RequestHeader set Host "${web_server}:80"

RequestHeader set X-Forwarded-Proto http
ProxyPass "/logs" "http://${app_server}:80/var/log/" retry=0
ProxyPassReverse "/logs" "http://${app_server}:80/var/log/"

# Caching for Proxy Settings
<IfModule mod_mem_cache.c>
    CacheEnable mem /
    MCacheSize 4096
    MCacheMaxObjectCount 100
    MCacheMinObjectSize 1
    MCacheMaxObjectSize 2048
</IfModule>

AcceptFilter https none

使用此配置，我现有的到应用程序服务器服务的链接继续正常工作。但是/logs给我一个503服务不可用。
下面是来自/etc/httpd/error. log的输出

[Wed Jan 06 10:23:32.103107 2021] [proxy:debug] [pid 8:tid 139965551843072] proxy_util.c(2262): [client dockerip:57076] AH00944: connecting http://appserverfqdn/var/log/ to appserverfqdn:80
[Wed Jan 06 10:23:32.103115 2021] [proxy:debug] [pid 8:tid 139965551843072] proxy_util.c(2442): [client dockerip:57076] AH00947: connected /var/log/ to appserverfqdn:80
[Wed Jan 06 10:23:32.104832 2021] [proxy:error] [pid 8:tid 139965551843072] (113)No route to host: AH00957: HTTP: attempt to connect to appserverprivateip:80 (appserverfqdn) failed
[Wed Jan 06 10:23:32.104854 2021] [proxy:error] [pid 8:tid 139965551843072] AH00959: ap_proxy_connect_backend disabling worker for (appserverfqdn) for 0s
[Wed Jan 06 10:23:32.104859 2021] [proxy_http:error] [pid 8:tid 139965551843072] [client dockerip:57076] AH01114: HTTP: failed to make connection to backend: appserverfqdn
[Wed Jan 06 10:23:32.104863 2021] [proxy:debug] [pid 8:tid 139965551843072] proxy_util.c(2224): AH00943: HTTP: has released connection for (appserverfqdn)

这个错误非常模糊-我猜它可能与/var/log/目录的权限有关？
任何帮助/指导都将不胜感激...我昨天被这个弄倒了一个大兔子洞。