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Windows Server2012操作系统java和tomcat安装配置

威海服务器/VPS 威海Windows Server
1138

1. 首先从官网上下载最新的JDK：http://java.sun.com/javase/downloads/index.jsp ，下载后安装，选择想把JDK安装到的目录

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2. 配置JDK环境变量，右键点击我的电脑，属性，高级设置，环境变量 path环境变量

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3. CLASSPATH变量设置

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4. 测试是否安装成功，在cmd 命令下 java -version 查看

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5. 安装apach-tomcat ，官网下载并解压出来放到D盘中，注意，路径不能有中文，下载地址为：http://tomcat.apache.org/download-70.cgi 测试打开bin文件的startup.bat，是没有反应的，所以需要配置Tomcat环境变量。配置一个JAVA_HOME，即jdk安装的根目录

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6. 启动startup.bat

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7.在浏览器中测试http://localhost:8080

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来源：景安

Public @ 2018-01-30 15:47:05

linux nginx 网站访问提示502 Bad Gateway

威海服务器/VPS 威海Nginx
1249

502 Bad Gateway错误通常是由于Nginx无法连接到您的应用程序服务器而导致的。主要是因为应用程序服务器未能正确响应Nginx的请求。以下是一些您可以尝试的解决方法： 1. 检查应用程序服务器是否已启动，并且正在监听正确的端口。如果不是，请启动应用程序服务器或更改其配置以监听正确的端口。 2. 检查Nginx配置文件中的upstream配置是否正确。确保upstream配置指向您的

Public @ 2023-04-14 14:50:31

Windows操作系统下JDK的配置方法

本教程以JDK1.8为例。1.先从官网下载下来jdk1.8，然后一步一步的安装就可以图片75.png但是在安装过程中，要记下来jdk的安装路径，以后要用到。图片76.png安装成功后，就要开始配置环境变量图片77.png2.配置环境变量需要配置三个地方 JAVE_HOME Path CLASSPATH 这三个变量图片78.png图片79.png图片

Public @ 2015-06-23 15:47:11

[原创]取消Ubuntu系统意外关机后停留在GRUB界面的解决办法

现象：Ubuntu意外断电关机重启进入GRUB引导界面不动，必须手动回车后才能进系统。原因：查看 /boot/grub/grub.cfgif [ "${recordfail}" = 1 ]; thenset timeout=-1elseset timeout=2正是被这个-1给停留到启动界面的解决办法：先将/boot/grub/grub.cfg 默认只读修改为可写入cd /bo

Public @ 2015-01-28 15:47:16

Windows操作系统远程登陆和修改远程端口号教程

Windows系统安装好之后默认的远程端口是3389，一般用远程桌面连接远程登录到服务器，环境：这里用虚拟机搭建了一台windows 2008系统，ip是192.168.12.22一、远程教程：用win+R打开运行对话框1554624847020013659.png输入mstsc，打开远程桌面连接对话框1554624847100091134.png输入IP地址192.168.12.22155462

Public @ 2016-06-15 15:47:10

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[ DB ] CONNECT:[ UseTime:0.029595s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021117s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2325 LIMIT 1 [ RunTime:0.019900s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.020319s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.020518s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.020937s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2325 LIMIT 1 [ RunTime:0.020063s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=2325 [ RunTime:0.022012s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海服务器/VPS' AND `status` <> -1 LIMIT 1 [ RunTime:0.027110s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海服务器/VPS' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.042665s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Windows Server' AND `status` <> -1 LIMIT 1 [ RunTime:0.026512s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Windows Server' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037902s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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