Tomcat配置

1、Tomcat簡介

Tomcat是Apache軟件基金會(Apache Software Foundation)的Jakarta項目中的一個核心項目,由Apache、Sun和其餘一些公司及我的共同開發而成。
Tomcat是一個輕量級應用服務器。
java程序寫的網站用tomcat+jdk來運行。
tomcat是一箇中間件,真正起做用的,解析java腳本的是jdk。
jdk(java development kit)是整個java的核心,它包含了java運行環境和一堆java相關的工具以及java基礎庫。
最主流的jdk爲sun公司發佈的jdk,除此以外,其實IBM公司也有發佈JDK,CentOS上也能夠用yum安裝openjdk。php

2、安裝JDK

安裝Tomcat的前提是安裝好JDK。
官方下載地址:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
選擇與系統相對應的版本:
Tomcat配置Tomcat配置
下載完成以後可使用lrzsz工具或者xftp工具傳送至CentOS/usr/local/src目錄下。html

[root@zlinux src]# cd
[root@zlinux ~]# cd /usr/local/src
[root@zlinux src]# rz                        //選擇JDK壓縮包
[root@zlinux src]# ls
jdk-8u161-linux-x64.tar.gz                 nginx-1.12.2         php-5.6.30
mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz  nginx-1.12.2.tar.gz  php-5.6.30.tar.bz2
[root@zlinux src]# tar zxf jdk-8u161-linux-x64.tar.gz
[root@zlinux src]# mv jdk1.8.0_161 /usr/local/jdk1.8
[root@zlinux src]# vim /etc/profile               //設置環境變量,在末尾添加如下內容。

JAVA_HOME=/usr/local/jdk1.8/
JAVA_BIN=/usr/local/jdk1.8/bin
JRE_HOME=/usr/local/jdk1.8/jre
PATH=$PATH:/usr/local/jdk1.8/bin:/usr/local/jdk1.8/jre/bin
CLASSPATH=/usr/local/jdk1.8/jre/lib:/usr/local/jdk1.8/lib:/usr/local/jdk1.8/jre/lib/charsets.jar

[root@zlinux src]# source /etc/profile
[root@zlinux src]# java -version            //檢查設置是否正確,顯示如下內容則說明配置正確
java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)

3、安裝Tomcat

[root@zlinux src]# wget http://mirrors.shu.edu.cn/apache/tomcat/tomcat-8/v8.5.29/bin/apache-tomcat-8.5.29.tar.gz        //若是以爲版本不合適可去官網自行下載
[root@zlinux src]# /usr/local/tomcat/bin/startup.sh                //啓動tomcat,由於是二進制包,免去編譯過程
Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr/local/jdk1.8
Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Tomcat started.
[root@zlinux src]# ps aux |grep tomcat                 //查看是否有tomcat相關進程
root       2441 12.9  4.0 2480652 75984 pts/0   Sl   18:47   0:02 /usr/local/jdk1.8/bin/java -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Dignore.endorsed.dirs= -classpath /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat -Dcatalina.home=/usr/local/tomcat -Djava.io.tmpdir=/usr/local/tomcat/temp org.apache.catalina.startup.Bootstrap start
root       2458  0.0  0.0 112680   972 pts/0    R+   18:48   0:00 grep --color=auto tomcat
[root@zlinux src]# netstat -lntp | grep java     
tcp6       0      0 :::8080                 :::*                    LISTEN      2441/java           
tcp6       0      0 127.0.0.1:8005          :::*                    LISTEN      2441/java           
tcp6       0      0 :::8009                 :::*                    LISTEN      2441/java  
#端口8080:提供web服務的
#端口8005:管理端口
#端口8009:第三方服務調用端口(如:httpd和Tomcat結合時會用到)

在瀏覽器中查看:
Tomcat配置java

4、配置Tomcat服務的訪問端口

[root@zlinux ~]# vim /usr/local/tomcat/conf/server.xml     //找到下面內容,port改成80

    <Connector port="80" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />

[root@zlinux ~]# /usr/local/tomcat/bin/shutdown.sh          //重啓tomcat,須要先關閉在啓動,沒有單獨從新啓動的腳本
Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr/local/jdk1.8
Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
[root@zlinux ~]# /usr/local/tomcat/bin/startup.sh 
Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr/local/jdk1.8
Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Tomcat started.

配置好以後,再次訪問就不須要加端口號了:
Tomcat配置
這裏測試完仍是改成8080端口
若是80端口被佔用,能夠中止佔用80端口的服務(前提是沒有服務在80上面跑),不然不可隨意切換端口。若是是Nginx佔用80端口,可使用Nginx代理功能。
下圖爲nginx代理8080端口:
Tomcat配置mysql

5、Tomcat的虛擬主機

Tomcat也有虛擬主機這一律念,下面部署一個簡單博客來了解虛擬主機的配置。linux

一、修改配置文件

[root@zlinux ~]# vim /usr/local/tomcat/conf/server.xml     //添加如下內容

      #unpackWARs自動解壓war包
      <Host name="www.tctest.cn" appBase=""
      unpackWARs= "true" autoDeploy="true"
      xmlValidation="false" xmlNamespaceAware="false">
      <Context path="" docBase="/data/wwwroot/tctest/" debug="0" reloadable="true" crossContext="true"/>
      </Host>

Tomcat配置

二、下載zrlog並配置

[root@zlinux ~]# cd /usr/local/src/
[root@zlinux src]# wget http://dl.zrlog.com/release/zrlog-1.7.1-baaecb9-release.war
[root@zlinux src]# cp zrlog-1.7.1-baaecb9-release.war /usr/local/tomcat/webapps/
[root@zlinux src]# ls /usr/local/tomcat/webapps/                          //已經自動解壓
docs      host-manager  ROOT                         zrlog-1.7.1-baaecb9-release.war
examples  manager       zrlog-1.7.1-baaecb9-release
[root@zlinux webapps]# mv zrlog-1.7.1-baaecb9-release zrlog             //修更名字
[root@zlinux webapps]# ls
docs  examples  host-manager  manager  ROOT  zrlog  zrlog-1.7.1-baaecb9-release.war

三、使用瀏覽器訪問

Tomcat配置

四、配置數據庫

在上一步驟當中,zrlog須要鏈接數據庫,那麼咱們須要建立zrlog使用的數據庫。nginx

[root@zlinux ~]# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.36 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database zrlog;                      //建立zrlog數據庫
Query OK, 1 row affected (0.01 sec)

mysql> grant all on zrlog.* to 'zrlog'@'127.0.0.1' identified by '123456';                //建立zrlog用戶
Query OK, 0 rows affected (0.00 sec)

mysql> quit
Bye
[root@zlinux ~]# mysql -uzrlog -p123456 -h127.0.0.1     //驗證是否建立成功
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.6.36 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

在頁面填入數據庫相關信息:
Tomcat配置
而後下一步,填寫信息:
Tomcat配置
而後從新輸入網址查看:
Tomcat配置
至此博客搭建完成。web

5 、配置直接訪問網址查看博客

Tomcat配置
以前已經添加過配置。sql

[root@zlinux vhost]# mv /usr/local/tomcat/webapps/zrlog/* /data/wwwroot/tctest/     //博客下的文件所有移至網站存放路徑
[root@zlinux vhost]# /usr/local/tomcat/bin/shutdown.sh 
Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr/local/jdk1.8
Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
[root@zlinux vhost]# /usr/local/tomcat/bin/startup.sh 
Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr/local/jdk1.8
Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Tomcat started.

由於在以前配置了nginx代理,因此直接輸入網址直接跳到博客:
Tomcat配置數據庫

6、Tomcat日誌

[root@zlinux vhost]# ls /usr/local/tomcat/logs/
catalina.2018-03-30.log  host-manager.2018-03-30.log  localhost_access_log.2018-03-30.txt
catalina.out             localhost.2018-03-30.log     manager.2018-03-30.log

其中catalina開頭的日誌爲Tomcat的綜合日誌,它記錄Tomcat服務相關信息,也會記錄錯誤日誌。
其中catalina.2017-xx-xx.log和catalina.out內容相同,前者會天天生成一個新的日誌。
host-manager和manager爲管理相關的日誌,其中host-manager爲虛擬主機的管理日誌。
localhost和localhost_access爲虛擬主機相關日誌,其中帶access字樣的日誌爲訪問日誌,不帶access字樣的爲默認虛擬主機的錯誤日誌。
訪問日誌默認不會生成,須要在server.xml中配置一下。apache

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