When Tomcat 5.5 is started, the system prompts "the Apache Tomcat native library which allows optimal performance in production envir

1. The following information may be received when tomcat5.5 is started:
Oct 30,200 6 11:54:51 am org. Apache. Catalina. Core. aprlifecyclelistener lifecycleevent
Info: the Apache Tomcat native library which allows optimal performance in production environments was not found on the java. library. path:/usr/local/jdk1.5.0 _ 08/JRE/lib/i386/Server:/usr/local/jdk1.5.0 _ 08/JRE/lib/i386: /usr/local/jdk1.5.0 _ 08/JRE /.. /lib/i386
This indicates that no APR is found. The Tomcat document describes the relationship between Tomcat and APR and describes the advantages of APR. The reference links are as follows:
Http://tomcat.apache.org/tomcat-5.5-doc/apr.html

2. Go to the Apache website to download and install Apr, link: http://apr.apache.org/

3. install Apache Tomcat native library. You can find this native package in the tomcat/bin directory, but the version is 1.1.3. After installation, start the package. The following message is displayed:
Oct 30,200 6 12:40:42 org. Apache. Catalina. Core. aprlifecyclelistener lifecycleevent
Info: an older version 1.1.3 of the Apache Tomcat native library is installed, while Tomcat recommends version greater than 1.1.4
You can download the new version from the following website: http://tomcat.heanet.ie/native/. currently, the latest version is 1.1.6,

4. After installation, follow the prompts to set the environment variables. Then start the environment to load Apr.