On CentOS5, I mostly followed this guide to install the Apache Tomcat Native Library: http://www.jroller.com/agileanswers/entry/configuring_apr_for_tomcat yum install apr-devel openssl-devel wget http://apache.seekmeup.com/tomcat/tomcat-connectors/native/tomcat-native-1.1.13-src.tar.gz rpm -ql apr-devel tar zxvf tomcat... cd tomcat.../jni/native ./configure --with-apr=/usr/bin/apr-1-config make make install ln -s /usr/local/apr/lib/libtcnative-1.so.0.1.12 /usr/lib/libtcnative-1.so service tomcat restart less /usr/local/tomcat/logs/catalina.out 2008-03-06 21:52:08.0 2008-03-06 21:52:08.0