blocks|key|114537|text|如果未启用mod_proxy_http，则可能会发生这种情况|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|114538|sudo+a2enmod+proxy_http|114539|为了让我的基于https的负载均衡器正常工作，我必须启用以下功能：|114540|sudo+a2enmod+ssl
sudo+a2enmod+proxy
sudo+a2enmod+proxy_balancer
sudo+a2enmod+proxy_http|code-block|syntax|javascript|114541|entityMap^0|5|E|0|0|N|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|W|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|X|8|@]|D|@]|E|$M|N]]|$1|O|3|-4|5|6|7|Y|8|@]|D|@]|E|$]]]|P|$]]

This can happen if you don't have <code>mod_proxy_http</code> enabled 

<code>sudo a2enmod proxy_http</code>

For me to get my https based load balancer working, i had to enable the following:

<pre><code>sudo a2enmod ssl
sudo a2enmod proxy
sudo a2enmod proxy_balancer
sudo a2enmod proxy_http
</code></pre>

blocks|key|114596|text|为了让我的Apache2.4+%2B+php5-fpm安装开始工作，我需要激活以下Apache模块：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|114597|sudo+a2enmod+proxy
sudo+a2enmod+proxy_fcgi|code-block|syntax|javascript|114598|不需要proxy_http，这就是将所有.php文件直接发送到php5-fpm的方法：|offset|length|style|CODE|114599|<FilesMatch+\.php$>
++++SetHandler+"proxy:unix:/var/run/php5-fpm.sock%7Cfcgi://localhost"
</FilesMatch>|114600|entityMap^0|0|0|3|A|K|4|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@$I|T|J|U|K|L]|$I|V|J|W|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|P|$]]

For my Apache2.4 + php5-fpm installation to start working, I needed to activate the following Apache modules:

<pre><code>sudo a2enmod proxy
sudo a2enmod proxy_fcgi
</code></pre>

No need for <code>proxy_http</code>, and this is what sends all <code>.php</code> files straight to php5-fpm:

<pre><code>&lt;FilesMatch \.php$&gt;
 SetHandler "proxy:unix:/var/run/php5-fpm.sock|fcgi://localhost"
&lt;/FilesMatch&gt;
</code></pre>

blocks|key|4620533|text|在我的例子中，我需要proxy_ajp模块。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4620534|a2enmod+proxy+proxy_http+proxy_ajp+|code-block|syntax|javascript|4620535|entityMap^0|A|9|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

In my case, I needed <code>proxy_ajp</code> module.

<pre><code>a2enmod proxy proxy_http proxy_ajp 
</code></pre>

blocks|key|4620564|text|我试着让uwsgi://正常工作，但不知何故，手册认为我很清楚我实际上需要mod_proxy_uwsgi。事实并非如此。下面是你是怎么做的：How+to+compile+mod_proxy_uwsgi+or+mod_uwsgi?|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4620565|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/q/17415311/1025430^0|4|8|11|F|1Y|18|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@$9|S|A|T|1|U]]|E|$]]|$1|F|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

I tried to get an <code>uwsgi://</code> working, but somehow the manual thought it was clear to me that I actually needed <code>mod_proxy_uwsgi</code>. It was not. Here is how you do it: <a href="https://stackoverflow.com/q/17415311/1025430">How to compile mod_proxy_uwsgi or mod_uwsgi?</a>

blocks|key|4620606|text|这是在我的Apache/2.4.18+(Ubuntu)设置中发生的。在我的例子中，我看到的错误是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4620607|...+AH01144:+No+protocol+handler+was+valid+for+the+URL+/~socket.io/.+If+you+are+using+a+DSO+version+of+mod_proxy,+make+sure+the+proxy+submodules+are+included+in+the+configuration+using+LoadModule.|code-block|syntax|javascript|4620608|与此相关的配置是：|4620609|++ProxyPass+/~socket.io/+ws://127.0.0.1:8090/~socket.io/
++ProxyPassReverse+/~socket.io/+ws://127.0.0.1:8090/~socket.io/|4620610|"No+protocol+handler+was+valid+for+the+URL+/~socket.io/“意味着Apache不能处理发送到"ws://127.0.0.1:8090/~socket.io/”的请求。|offset|length|style|CODE|4620611|我加载了proxy_http，但也需要proxy_wstunnel。一旦启用了这一点，一切都很好。|4620612|entityMap^0|0|0|0|0|1|1I|21|V|0|4|A|J|E|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|Y|8|@$M|Z|N|10|O|P]|$M|11|N|12|O|P]]|9|@]|A|$]]|$1|Q|3|R|5|6|7|13|8|@$M|14|N|15|O|P]|$M|16|N|17|O|P]]|9|@]|A|$]]|$1|S|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|T|$]]

This was happening for me in my Apache/2.4.18 (Ubuntu) setup. In my case, the error I was seeing was:

<pre><code>... AH01144: No protocol handler was valid for the URL /~socket.io/. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.
</code></pre>

The configuration related to this was:

<pre><code> ProxyPass /~socket.io/ ws://127.0.0.1:8090/~socket.io/
 ProxyPassReverse /~socket.io/ ws://127.0.0.1:8090/~socket.io/
</code></pre>

"<code>No protocol handler was valid for the URL /~socket.io/</code>" meant that Apache could not handle the request being sent to "<code>ws://127.0.0.1:8090/~socket.io/</code>"

I had <code>proxy_http</code> loaded, but also needed <code>proxy_wstunnel</code>. Once that was enabled all was good.

blocks|key|4620642|text|对我来说，上面提到的所有答案都在xampp上启用，但仍然不起作用。启用以下模块可使虚拟主机再次工作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4620643|LoadModule+slotmem_shm_module+modules/mod_slotmem_shm.so|code-block|syntax|javascript|4620644|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For me all above-mentioned answers was enabled on xampp still not working. Enabling below module made virtual host work again

<pre><code>LoadModule slotmem_shm_module modules/mod_slotmem_shm.so
</code></pre>

I am trying to proxy a subdirectory to another server. My httpd.conf:

<pre><code>RewriteEngine On
ProxyPreserveHost On
RewriteRule .*subdir/ https://anotherserver/subdir/ [P]
</code></pre>

The problem is that Apache is always logging this:

<pre><code>AH01144: No protocol handler was valid for the URL /subdir/. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule., referer: http://localhost/
</code></pre>

So after searching the internet, I have activated these modules:

<pre><code>LoadModule headers_module modules/mod_headers.so
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule proxy_express_module modules/mod_proxy_express.so
LoadModule proxy_fcgi_module modules/mod_proxy_fcgi.so
LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
LoadModule proxy_html_module modules/mod_proxy_html.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule proxy_scgi_module modules/mod_proxy_scgi.so
LoadModule proxy_wstunnel_module modules/mod_proxy_wstunnel.so
LoadModule rewrite_module modules/mod_rewrite.so
</code></pre>

(I know that I don't need all of them but I just activated them to be sure I am not missing one)

But this error still appears and clients get a HTTP 500.

How can I fix this?

Apache Proxy: No protocol handler was valid

负载均衡

虚拟主机

服务器

Ubuntu

我正在尝试将一个子目录代理到另一台服务器。我的httpd.conf：RewriteEngine OnProxyPreserveHost OnRewriteRule .*subdir/ https://anotherserver/subdir/ [P]问题是Apache总是记录以下内容：AH01144: No proto...

问Apache代理:没有有效的协议处理程序
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