Tomcat-based Tomcat combined with Apache module proxy proxy Apache installation

Pre-conditions

Rpm-qa httpd

Yum-y Install Pcre-devel

1. Compile and install Apr

Tar XF apr-1.5.2.tar.gz

CD apr-1.5.2

./configure--PREFIX=/USR/LOCAL/APR

Make && make install

2. Compile and install Apr-util

Tar XF apr-util-1.5.4.tar.gz

CD apr-util-1.5.4

#--with-apr=path

#--prefix=prefix

./configure--prefix=/usr/local/apr-util--with-apr=/usr/local/apr/

Make && make install

3. Compile and install Apache

Tar XF httpd-2.4.18.tar.gz

CD httpd-2.4.18

./configure--prefix=/usr/local/apache--sysconfdir=/etc/httpd--enable-so \

--enable-ssl--enable-cgi--enable-rewrite--with-zlib--enable-mpms-shared=all \

--with-mpm=event--with-apr=/usr/local/apr--with-apr-util=/usr/local/apr-util \

--enable-proxy--enable-proxy-http--ENABLE-PROXY-AJP--enable-proxy-balancer \

--enable-lbmethod-heartbeat--enable-slotmem-shm--enable-slotmem-plain \

--enable-heartbeat--enable-heartmonitor--enable-watchdog

Make && make install

Configure Apache to combine with Tomcat via the Mod_proxy module

To use Mod_proxy with Tomcat, Apache has installed Mod_proxy, mod_proxy_http, MOD_PROXY_AJP, and Proxy_balancer_module

Modules (used when implementing a Tomcat cluster)

Try to start Apache

/usr/local/apache/bin/httpd-k start

Netstat-tunlp

Found not 80 ports up, try several times or start not to

View HTTPD Logs

Cat/usr/local/apache/logs/error_log found the following error:

[Tue 17 07:10:46.572233 2016] [Proxy_balancer:emerg] [PID 1434:tid 139691988010752] Ah01177:failed to lookup provider ' SHM ' for ' slotmem ': Is Mod_slotmem_shm loaded??

[Tue 17 07:10:46.572778 2016] [: Emerg] [PID 1434:tid 139691988010752] Ah00020:configuration Failed, exiting

[Tue 17 07:16:15.916227 2016] [Proxy_balancer:emerg] [PID 1438:tid 139879976126208] Ah01177:failed to lookup provider ' SHM ' for ' slotmem ': Is Mod_slotmem_shm loaded??

[Tue 17 07:16:15.916951 2016] [: Emerg] [PID 1438:tid 139879976126208] Ah00020:configuration Failed, exiting

The module MOD_SLOTMEM_SHM is not loaded according to the error message and the configuration file is modified

Vim/etc/httpd/httpd.conf

#LoadModule slotmem_shm_module modules/mod_slotmem_shm.so To remove the comment #

/usr/local/apache/bin/httpd-k start

Netstat-tunlp

So the service finally started up.

Tomcat-based Tomcat combined with Apache module proxy proxy Apache installation