centos服务器搭建-Tomcat 8.0.39

cd   /home

rm    -rf   apache-tomcat-8.0.39.tar.gz

mkdir    /usr/local/tomcat

wget   archive.apache.org/dist/tomcat/tomcat-8/v8.0.39/bin/apache-tomcat-8.0.39.tar.gz

tar    -zxvf   apache-tomcat-8.0.39.tar.gz   -C   /usr/local/

ln   -s   /usr/local/apache-tomcat-8.0.39/   /usr/local/tomcat

tomcat内存优化，tomcatinsetclasspath.sh

这下面的 JAVA_HOME环境，若在安装JDK时配置了，可以省略。

PermSize=64M-XX:MaxPermSize=128m在TOMCAT8中开始去除了。

vim/usr/local/tomcat/bin/setclasspath.sh

export JAVA_HOME="/usr/local/jdk"

export JAVA_OPTS=" -Xms512m-Xmx1024m -Dfile.encoding=UTF-8   -Duser.timezone=Asia/Shanghai"

 

tomcat线程优化，tomcatconfserver.xml 

命令：sed -i's/redirectPort="8443"/redirectPort="8443" maxThreads="2000" minSpareThreads="100" maxSpareThreads="1000" acceptCount="1000"/'//usr/local/tomcat/conf/server.xml

下面手动个性

<Connectoraddress="127.0.0.1" port="8080" protocol="HTTP/1.1"      connectionTimeout="20000"     

 maxThreads="2000"minSpareThreads="100" maxSpareThreads="1000" acceptCount="1000"   redirectPort="8443" />

如果使用apache和tomcat做集群的负载均衡，并且使用ajp协议做apache和tomcat的协议转发

<Connector port="8009" protocol="AJP/1.3"      connectionTimeout="20000"

maxThreads="2000"minSpareThreads="100" maxSpareThreads="1000" acceptCount="1000" redirectPort="8443" />

由于tomcat有多个connector，所以tomcat线程的配置，又支持多个connector共享一个线程池。

<Executor name="tomcatThreadPool"namePrefix="catalina-exec-" maxThreads="500"minSpareThreads="20" maxIdleTime="60000" />

最大线程500（一般服务器足以），最小空闲线程数20，线程最大空闲时间60秒。

然后，修改<Connector ...>节点，增加executor属性，executor设置为线程池的名字：

<Connector executor="tomcatThreadPool"port="80" protocol="HTTP/1.1"  connectionTimeout="60000" keepAliveTimeout="15000"maxKeepAliveRequests="1" redirectPort="443" />

可以多个connector公用1个线程池，所以ajp connector也同样可以设置使用tomcatThreadPool线程池。

/etc/init.d 是 /etc/rc.d/init.d的软链接(soft link)

添加/etc/init.d/tomcat

vim  /etc/init.d/tomcat

内容附文件

chmod    755  /etc/init.d/tomcat

servicetomcat start[stop/restart]

 

wget   http://localhost:8080       //验证安装成功否

tail  -f  /usr/local/tomcat/logs/catalina.out

 

解决多个实例多个Tomcat启动、停止端口冲突问题

如果需要启动多个tomcat，则需要修改server.xml文件如：

<Serverport="8005" shutdown="SHUTDOWN">   ----> 

<Serverport="8195"shutdown="SHUTDOWN">

<Connectorport="8080" protocol="HTTP/1.1" connectionTimeout="20000"redirectPort="8443" />   ---->   

<Connectorport="8091"protocol="HTTP/1.1" maxThreads="150" minSpareThreads="25"maxSpareThreads="75" enableLookups="false"redirectPort="8443" acceptCount="100" debug="0"connectionTimeout="20000" disableUploadTimeout="true" />

<Connectorport="8009" protocol="AJP/1.3" redirectPort="8443" />    ---->   

<Connectorport="8199"protocol="AJP/1.3" redirectPort="8443" />

<Host name="localhost"  appBase="webapps"unpackWARs="true" autoDeploy="true"xmlValidation="false" xmlNamespaceAware="false">    ---->   

<Host name="10.10.3.54" appBase="/home/defaut"unpackWARs="true" autoDeploy="true"xmlValidation="false" xmlNamespaceAware="false" >

或者虚拟目录

<Host>

<Contextpath="" docBase="/var/wwwroot"reloadable="true">

</Host>

或者

<Hostname="localhost" appBase="/home/default"  unpackWARs="true"autoDeploy="true">

        <!-- SingleSignOn valve, shareauthentication between web applications

             Documentation at:/docs/config/valve.html -->

        <!--

        <ValveclassName="org.apache.catalina.authenticator.SingleSignOn" />

        -->

        <!-- Access log processes allexample.

             Documentation at:/docs/config/valve.html

             Note: The pattern used isequivalent to using pattern="common" -->

        <ValveclassName="org.apache.catalina.valves.AccessLogValve"directory="logs"

              prefix="localhost_access_log." suffix=".txt"

               pattern="%h %l %u %t&quot;%r&quot; %s %b" />

 </Host>

布署文件拷贝到/home/tomcat/