Linux环境下为Tomcat安装APR

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apr 与 tomcat-native 提供更好的伸缩性、性能和集成到本地服务器技术。

如果没有apr技术，启动tomcat 时出现如下提示:

信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/jdk1.6.0_06/jre/lib/i386/client:/usr/java/jdk1.6.0_06/jre/lib/i386:/usr/java/jdk1.6.0_06/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib

按照官方说明需要：

APR library
OpenSSL libraries

openssl 可以用 yum install openssl-devel，apr还是下载*.gz来安装。apr-1.3.2.tar.gzapr-util-1.3.2.tar.gz两个可以在 http://apache.mirror.phpchina.com/apr/ 找到。tomcat-native.tar.gz 可以在tomcat/bin目录下找到。

安装 apr

wget http://apache.mirror.phpchina.com/apr/apr-1.3.2.tar.gz tar zxvf apr-1.3.2.tar.gz cd apr-1.3.2 ./configure make make install

apr 默认安装在 /usr/local/apr

安装 apr-util

wget http://apache.mirror.phpchina.com/apr/apr-util-1.3.2.tar.gz tar zxvf apr-util-1.3.2.tar.gz cd apr-util-1.3.2 ./configure --with-apr=/usr/local/apr make make install

安装 tomcat-native

cd /usr/local/tomcat-6.0.18/bin tar zxvf tomcat-native.tar.gz cd tomcat-native-1.1.14-src/jni/native ./configure --with-apr=/usr/local/apr --with-java-home=/usr/java/jdk1.6.0_11 make make install

设置 apr 的环境变量：

vi /etc/profile # 后面添加以下内容 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/apr/lib # 使profile生效， source /etc/profile

启动 tomcat 后，看日志：

bin/startup.sh head logs/catalina.out

可以看到以下结果：

信息: Loaded APR based Apache Tomcat Native library 1.1.14.2009-1-13 11:12:51 org.apache.catalina.core.AprLifecycleListener init信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].

原文出处：http://blog.chenlb.com/2009/01/install-apache-portable-runtime-or-tomcat-native-on-tomcat.html

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