Tomcat ( 单机多 Tomcat 并存 )
简介：
Tomcat 扩展（ 一台服务器运行多个 tomcat ）
一、安装 JDK 、Tomcat
shell > rpm -ivh jdk-8u25-linux-x64.rpm # 安装 jdk ，jdk 版本最好与 tomcat 一致 shell > tar zxf apache-tomcat-8.0..tar.gz -C /usr/local/
shell > cd ..
shell > cp -r apache-tomcat-8.0. tomcat1 # 复制三份 tomcat 其中 tomcat1 保持不变
shell > cp -r apache-tomcat-8.0. tomcat2
shell > cp -r apache-tomcat-8.0. tomcat3
二、配置多 Tomcat
shell > vim tomcat2/conf/server.xml # 修改 tomcat2
<Server port="" shutdown="SHUTDOWN"> # 原端口为 修改为
<Connector port="" protocol="HTTP/1.1" # 原端口为 修改为
<Connector port="" protocol="AJP/1.3" redirectPort="" /> # 原端口为 修改为 shell > vim tomcat3/conf/server.xml # 修改 tomcat3
<Server port="" shutdown="SHUTDOWN"> # 原端口为 修改为
<Connector port="" protocol="HTTP/1.1" # 原端口为 修改为
<Connector port="" protocol="AJP/1.3" redirectPort="" /> # 原端口为 修改为
三、测试
shell > echo "welcome to tomcat1" > /usr/local/tomcat1/webapps/ROOT/index.html # 创建首面文件
shell > echo "welcome to tomcat2" > /usr/local/tomcat2/webapps/ROOT/index.html
shell > echo "welcome to tomcat3" > /usr/local/tomcat3/webapps/ROOT/index.html shell > /usr/local/tomcat1/bin/startup.sh # 启动 tomcat1
Using CATALINA_BASE: /usr/local/tomcat1
Using CATALINA_HOME: /usr/local/tomcat1
Using CATALINA_TMPDIR: /usr/local/tomcat1/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat1/bin/bootstrap.jar:/usr/local/tomcat1/bin/tomcat-juli.jar
Tomcat started. shell > tail /usr/local/tomcat1/logs/catalina.out # 查看日志，这里有 tomcat 的开启、关闭信息
-Oct- ::29.296 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /usr/local/tomcat1/webapps/manager has finished in ms
-Oct- ::29.301 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /usr/local/tomcat1/webapps/examples
-Oct- ::30.488 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /usr/local/tomcat1/webapps/examples has finished in , ms
-Oct- ::30.492 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /usr/local/tomcat1/webapps/docs
-Oct- ::30.557 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /usr/local/tomcat1/webapps/docs has finished in ms
-Oct- ::30.564 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /usr/local/tomcat1/webapps/ROOT
-Oct- ::30.614 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /usr/local/tomcat1/webapps/ROOT has finished in ms
-Oct- ::30.624 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
-Oct- ::30.643 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
-Oct- ::30.649 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in ms
# 可以看到服务启动花费的时间
shell > netstat -anpt | grep java # 监听的端口（ 缺一不可 ）
tcp ::: :::* LISTEN /java
tcp ::ffff:127.0.0.1: :::* LISTEN /java
tcp ::: :::* LISTEN /java shell > curl "http://192.168.1.80:8080" # 访问一下首页文件
welcome to tomcat1 shell > ps aux | grep java # 看看进程路径也没有问题
root 2.2 8.6 pts/ Sl : : /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat1/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat1/endorsed -classpath /usr/local/tomcat1/bin/bootstrap.jar:/usr/local/tomcat1/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat1 -Dcatalina.home=/usr/local/tomcat1 -Djava.io.tmpdir=/usr/local/tomcat1/temp org.apache.catalina.startup.Bootstrap start shell > /usr/local/tomcat1/bin/shutdown.sh # 关闭 tomcat1
Using CATALINA_BASE: /usr/local/tomcat1
Using CATALINA_HOME: /usr/local/tomcat1
Using CATALINA_TMPDIR: /usr/local/tomcat1/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat1/bin/bootstrap.jar:/usr/local/tomcat1/bin/tomcat-juli.jar
shell > /usr/local/tomcat1/bin/startup.sh # 启动 tomcat1
Using CATALINA_BASE: /usr/local/tomcat1
Using CATALINA_HOME: /usr/local/tomcat1
Using CATALINA_TMPDIR: /usr/local/tomcat1/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat1/bin/bootstrap.jar:/usr/local/tomcat1/bin/tomcat-juli.jar
Tomcat started. shell > /usr/local/tomcat2/bin/startup.sh # 启动 tomcat2
Using CATALINA_BASE: /usr/local/tomcat2
Using CATALINA_HOME: /usr/local/tomcat2
Using CATALINA_TMPDIR: /usr/local/tomcat2/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat2/bin/bootstrap.jar:/usr/local/tomcat2/bin/tomcat-juli.jar
Tomcat started. shell > /usr/local/tomcat3/bin/startup.sh # 启动 tomcat3
Using CATALINA_BASE: /usr/local/tomcat3
Using CATALINA_HOME: /usr/local/tomcat3
Using CATALINA_TMPDIR: /usr/local/tomcat3/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat3/bin/bootstrap.jar:/usr/local/tomcat3/bin/tomcat-juli.jar
Tomcat started.
shell > netstat -anpt | grep java # 这种情况是 tomcat 还没有完全启动，稍等即可
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java shell > tail /usr/local/tomcat3/logs/catalina.out # 日志中也没有出来服务启动成功的标志
-Oct- ::02.840 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
-Oct- ::03.619 INFO [main] org.apache.catalina.core.AprLifecycleListener.init The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
-Oct- ::04.374 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8082"]
-Oct- ::04.431 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
-Oct- ::04.442 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8029"]
-Oct- ::04.457 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
-Oct- ::04.461 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in ms
-Oct- ::04.597 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina
-Oct- ::04.601 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.0.
-Oct- ::04.628 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /usr/local/tomcat3/webapps/host-manager
shell > netstat -anpt | grep java # 现在 tomcat1// 都已经全部启动
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::ffff:127.0.0.1: :::* LISTEN /java
tcp ::ffff:127.0.0.1: :::* LISTEN /java
tcp ::ffff:127.0.0.1: :::* LISTEN /java
tcp ::: :::* LISTEN /java shell > curl "http://192.168.1.80:8080" # 全部可以访问
welcome to tomcat1
shell > curl "http://192.168.1.80:8081"
welcome to tomcat2
shell > curl "http://192.168.1.80:8082"
welcome to tomcat3
shell > tail - /usr/local/tomcat1/logs/catalina.out # 可以看到启动时间有长有短
-Oct- ::11.536 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in ms shell > tail - /usr/local/tomcat2/logs/catalina.out
-Oct- ::30.971 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in ms shell > tail - /usr/local/tomcat3/logs/catalina.out
-Oct- ::10.965 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in ms shell > ps aux | grep java # 进程路径也都没有错
root 1.3 8.4 pts/ Sl : : /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat1/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat1/endorsed -classpath /usr/local/tomcat1/bin/bootstrap.jar:/usr/local/tomcat1/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat1 -Dcatalina.home=/usr/local/tomcat1 -Djava.io.tmpdir=/usr/local/tomcat1/temp org.apache.catalina.startup.Bootstrap start
root 1.3 8.5 pts/ Sl : : /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat2/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat2/endorsed -classpath /usr/local/tomcat2/bin/bootstrap.jar:/usr/local/tomcat2/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat2 -Dcatalina.home=/usr/local/tomcat2 -Djava.io.tmpdir=/usr/local/tomcat2/temp org.apache.catalina.startup.Bootstrap start
root 1.4 8.6 pts/ Sl : : /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat3/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat3/endorsed -classpath /usr/local/tomcat3/bin/bootstrap.jar:/usr/local/tomcat3/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat3 -Dcatalina.home=/usr/local/tomcat3 -Djava.io.tmpdir=/usr/local/tomcat3/temp org.apache.catalina.startup.Bootstrap start
shell > /usr/local/tomcat2/bin/shutdown.sh # 现在单独关闭任何一个 别的都不受影响
Using CATALINA_BASE: /usr/local/tomcat2
Using CATALINA_HOME: /usr/local/tomcat2
Using CATALINA_TMPDIR: /usr/local/tomcat2/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat2/bin/bootstrap.jar:/usr/local/tomcat2/bin/tomcat-juli.jar shell > ps aux | grep java
root 1.2 8.4 pts/ Sl : : /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat1/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat1/endorsed -classpath /usr/local/tomcat1/bin/bootstrap.jar:/usr/local/tomcat1/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat1 -Dcatalina.home=/usr/local/tomcat1 -Djava.io.tmpdir=/usr/local/tomcat1/temp org.apache.catalina.startup.Bootstrap start
root 1.2 8.6 pts/ Sl : : /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat3/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/tomcat3/endorsed -classpath /usr/local/tomcat3/bin/bootstrap.jar:/usr/local/tomcat3/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat3 -Dcatalina.home=/usr/local/tomcat3 -Djava.io.tmpdir=/usr/local/tomcat3/temp org.apache.catalina.startup.Bootstrap start
root 0.0 0.0 pts/ S+ : : grep java shell > netstat -anpt | grep java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::: :::* LISTEN /java
tcp ::ffff:127.0.0.1: :::* LISTEN /java
tcp ::ffff:127.0.0.1: :::* LISTEN /java
tcp ::: :::* LISTEN /java
## 可以启动、关闭任意 tomcat ，没有顺序之分。唯一注意的一点，就是启动有一个过程，需要稍微等等，不要急。
只需修改端口即可，无需按照网上所说，要设置变量、更改 catalina.sh 等文件（如有不对的地方，还请各位指正）
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