Linux環境下為Tomcat安裝APR
apr 與 tomcat-native 提供更好的伸縮性、效能和整合到本地伺服器技術。
如果沒有apr技術,啟動tomcat 時出現如下提示:
資訊: 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
按照官方說明需要:
- APR library
- OpenSSL libraries
openssl 可以用 yum install openssl-devel,apr還是下載*.gz來安裝。
apr-1.3.2.tar.gz
apr-util-1.3.2.tar.gz
兩個可以在 http://apache.mirror.phpchina.com/apr/ 找到。
tomcat-native.tar.gz 可以在tomcat/bin目錄下找到。
安裝 apr
apr 預設安裝在 /usr/local/apr
安裝 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
安裝 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
設定 apr 的環境變數:
vi /etc/profile
# 後面新增以下內容
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/apr/lib
# 使profile生效,
source /etc/profile
啟動 tomcat 後,看日誌:
bin/startup.sh
head logs/catalina.out
可以看到以下結果:
資訊: Loaded APR based Apache Tomcat Native library 1.1.14.
2009-1-13 11:12:51 org.apache.catalina.core.AprLifecycleListener init
資訊: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].