tomcat优化之安装并配置apr库
2017-09-26 19:01
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在谈到tomcat优化时,必然要说到apr库,这个库是C语言实现的,tomcat通过JNI方式使用该库可以大大提高性能。
tomcat在使用apr时需要安装apr,apr-util和tomcat-native。
tomcat-native就在$CATALINA_HOME/bin目录下:tomcat-native.tar.gz。
(2)安装apr-util:安装到/usr/local/apr-util
修改$TOMCAT_HOME/conf/server.xml:
protocal修改为:org.apache.coyote.http11.Http11AprProtocol,重启tomcat。
fix: 需要安装gcc编译器
(2)./configure时报错:
fix: 修改configure脚本
参考:https://stackoverflow.com/questions/18091991/error-while-compiling-apache-apr-make-file-not-found
tomcat在使用apr时需要安装apr,apr-util和tomcat-native。
1. 下载
apr和apr-util需要单独下载:http://apr.apache.org/download.cgi。tomcat-native就在$CATALINA_HOME/bin目录下:tomcat-native.tar.gz。
2. 安装apr库
(1)安装apr:安装在/usr/local/apr[root@centosx64_tomcat1 ~]# tar xvf apr-1.6.2.tar.gz [root@centosx64_tomcat1 ~]# cd apr-1.6.2 [root@centosx64_tomcat1 apr-1.6.2]# ./configure --prefix=/usr/local/apr [root@centosx64_tomcat1 apr-1.6.2]# make && make test && make install
(2)安装apr-util:安装到/usr/local/apr-util
[root@centosx64_tomcat1 ~]# tar xvf apr-util-1.6.0.tar.gz [root@centosx64_tomcat1 ~]# cd apr-util-1.6.0 [root@centosx64_tomcat1 apr-util-1.6.0]# ./configure --with-apr=/usr/local/apr --prefix=/usr/local/apr-util [root@centosx64_tomcat1 apr-util-1.6.0]# make && make install
3. 安装tomcat-native
[root@centosx64_tomcat1 ~]# cd TOMCAT_HOME/bin [root@centosx64_tomcat1 ~]# tar xvf tomcat-native.tar.gz [root@centosx64_tomcat1 ~]# cd tomcat-native-1.1.30-src/jni/native [root@centosx64_tomcat1 ~]# ./configure --with-apr=/usr/local/apr --with-java-home=$JAVA_HOME && make && make install
4. 配置tomcat使用apr库
有2种方式配置tomcat使用apr库:方式一:配置环境变量
在unix系统中,只要$LD_LIBRARY_PATH变量值所在路径包含tomcat本地库,默认就使用org.apache.coyote.http11.Http11AprProtocol。vim /etc/profile export LD_LIBRARY_PATH=/usr/local/apr/lib source /etc/profile
方式二:将apr库路径参数添加到系统变量中(推荐)
编辑$CATALINA_HOME/bin/setenv.sh文件(如果文件不存在,新建文件):
export CATALINA_OPTS="$CATALINA_OPTS -Djava.library.path=/usr/local/apr/lib"
修改$TOMCAT_HOME/conf/server.xml:
<Connector port="8000" protocol="org.apache.coyote.http11.Http11NioProtocol" connectionTimeout="20000" redirectPort="8443"
protocal修改为:org.apache.coyote.http11.Http11AprProtocol,重启tomcat。
5. 检查是否安装成功
如果看到下面的启动日志,表示成功.Sep 17, 2017 1:59:19 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["http-apr-8080"] Sep 17, 2017 1:59:19 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["ajp-apr-8009"] Sep 17, 2017 1:59:19 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 31002 ms
6. 解决报错
(1)./configure时报错:[root@centosx64_tomcat1 apr-1.6.2]# ./configure --prefix=/usr/local/apr checking build system type... x86_64-pc-linux-gnu checking host system type... x86_64-pc-linux-gnu checking target system type... x86_64-pc-linux-gnu Configuring APR library Platform: x86_64-pc-linux-gnu checking for working mkdir -p... yes APR Version: 1.6.2 checking for chosen layout... apr checking for gcc... no checking for cc... no checking for cl.exe... no configure: error: in '/root/apr-1.6.2': **configure: error: no acceptable C compiler found in $PATH** See `config.log' for more details
fix: 需要安装gcc编译器
[root@centosx64_tomcat1 apr-1.6.2]# yum -y install gcc
(2)./configure时报错:
[root@centosx64_tomcat1 apr-1.6.2]# ./configure --prefix=/usr/local/apr configure: creating ./config.status config.status: creating Makefile config.status: creating include/apr.h config.status: creating build/apr_rules.mk config.status: creating build/pkg/pkginfo config.status: creating apr-1-config config.status: creating apr.pc config.status: creating test/Makefile config.status: creating test/internal/Makefile config.status: creating include/arch/unix/apr_private.h config.status: executing libtool commands **rm: cannot remove `libtoolT': No such file or directory** config.status: executing default commands
fix: 修改configure脚本
Edit your configure file:vim configure Change the line $RM "$cfgfile" to $RM -f "$cfgfile" This will resolve the error rm: cannot remove `libtoolT': No such file or directory Then try run configure. That's it :)
参考:https://stackoverflow.com/questions/18091991/error-while-compiling-apache-apr-make-file-not-found
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