tomcat安装
tomact安装首先安装jdk
# tar -zxvf jdk-7u1-linux-i586.tar.gz
# mv jdk1.7.0_01/ /usr/local/
# vim /etc/profile
JAVA_HOME=/usr/local/jdk1.7.0_01
export JAVA_HOME
CLASSPATH=:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
export CLASSPATH
PATH=$JAVA_HOME/bin:$PATH
export PATH
# source /etc/profile
# echo $JAVA_HOME
/usr/local/jdk1.7.0_01
安装tomact
# tar -zxvf apache-tomcat-7.0.23-src.tar.gz
# mv apache-tomcat-7.0.23-src/ /usr/local/tomcat7
# cd /usr/local/tomcat7/
# sh startup.sh
Using CATALINA_BASE: /usr/local/tomcat7
Using CATALINA_HOME: /usr/local/tomcat7
Using CATALINA_TMPDIR: /usr/local/tomcat7/temp
Using JRE_HOME: /usr/local/jdk1.7.0_01
Using CLASSPATH: /usr/local/tomcat7/bin/bootstrap.jar:/usr/local/tomcat7/bin/tomcat-juli.jar
# ps -ef |grep tomcat
root 3194 19 03:20 pts/1 00:00:01 /usr/local/jdk1.7.0_01/bin/java -Djava.util.logging.config.file=/usr/local/tomcat7/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat7/endorsed -classpath /usr/local/tomcat7/bin/bootstrap.jar:/usr/local/tomcat7/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat7 -Dcatalina.home=/usr/local/tomcat7 -Djava.io.tmpdir=/usr/local/tomcat7/temp org.apache.catalina.startup.Bootstrap start
root 321230620 03:20 pts/1 00:00:00 grep tomcat
然后就可以 http://192.168.0.100:8080
在安装过程中遇到了 以下一些问题：
问题（一）
开启tomcat时
# sh startup.sh
报以下错误
The file is absent or does not have execute permission
This file is needed to run this program
解决方法：
在tomcat的bin目录下 执行这条命令
chmod +x *.sh
再次执行 sh catalina.sh通过，然后用sh startup.sh成功启动
问题（二）
root@aca400fd bin]# sh startup.sh
Using CATALINA_BASE: /usr/local/tomcat7
Using CATALINA_HOME: /usr/local/tomcat7
Using CATALINA_TMPDIR: /usr/local/tomcat7/temp
Using JRE_HOME: /usr/local/jdk1.7.0_01
Using CLASSPATH: /usr/local/tomcat7/bin/bootstrap.jar:/usr/local/tomcat7/bin/tomcat-juli.jar
发现没有启动 ，然后关闭 提示以下错误：
# sh shutdown.sh
Using CATALINA_BASE: /usr/local/tomcat7
Using CATALINA_HOME: /usr/local/tomcat7
Using CATALINA_TMPDIR: /usr/local/tomcat7/temp
Using JRE_HOME: /usr/local/jdk1.7.0_01
Using CLASSPATH: /usr/local/tomcat7/bin/bootstrap.jar:/usr/local/tomcat7/bin/tomcat-juli.jar
Error: dl failure on line 875
Error: failed /usr/local/jdk1.7.0_01/jre/lib/i386/client/libjvm.so, because /usr/local/jdk1.7.0_01/jre/lib/i386/client/libjvm.so: cannot restore segment prot after reloc: Permission denied
解决方法：
原因是selinux的问题，selinux的设置太过严格导致的。解决的办法是在root用户下，修改/etc/selinux/config 文件
root@aca400fd client]# vi /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - SELinux is fully disabled.
SELINUX=disabled
# SELINUXTYPE= type of policy in use. Possible values are:
# targeted - Only targeted network daemons are protected.
# strict - Full SELinux protection.
SELINUXTYPE=targeted
将selinux关闭。就OK了。
问题（三）
开启的时候提示这：
root@aca400fd bin]# sh startup.sh
Could not find or load main class org.apache.catalina.startup.Bootstrap
版本冲突 ，换了一个就OK了。
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