ubuntu下ngin(accesskey+session sticky+fair)编译安装笔记（ubuntu single）

25-04-10 4

对于想了解ubuntu下ngin(accesskey+sessionsticky+fair)编译安装笔记的读者，本文将是一篇不可错过的文章，我们将详细介绍ubuntusingle，并且为您提供关于Ac

对于想了解ubuntu下ngin(accesskey+session sticky+fair)编译安装笔记的读者，本文将是一篇不可错过的文章，我们将详细介绍ubuntu single，并且为您提供关于Access restriction: is not accessible、Access restriction: The constructor SunJCE() is not accessib、Access restriction: The constructor SunJCE() is not accessible、Access restriction: The type XXX is not accessi...的有价值信息。

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ubuntu下ngin(accesskey+session sticky+fair)编译安装笔记（ubuntu single）
Access restriction: is not accessible
Access restriction: The constructor SunJCE() is not accessib
Access restriction: The constructor SunJCE() is not accessible
Access restriction: The type XXX is not accessi...

ubuntu下ngin(accesskey+session sticky+fair)编译安装笔记（ubuntu single）

ubuntu下nginx（含第三方模块：ngx_http_upstream_fair_module、HttpAccessKeyModule、nginx-upstream-jvm-route）的编译安装。

一、下载
nginx： http://nginx.org/en/download.html
ngx_http_upstream_fair_module：http://wiki.nginx.org/HttpUpstreamFairModule
HttpAccessKeyModule： http://wiki.nginx.org/NginxHttpAccessKeyModule
nginx-upstream-jvm-route http://code.google.com/p/nginx-upstream-jvm-route

二、编译安装环境准备

sudo apt-get install build-essential libpcre3-dev libssl-dev libxslt-dev libgd2-xpm-dev libgeoip-dev

三、安装
将nginx及第三方模块tar压缩包解压。

1、进入HttpAccessKeyModule的源码文件夹，修改config文件：
将 "$HTTP_ACCESSKEY_MODULE" 改为 "ngx_http_accesskey_module"

2、进入nginx源码目录，执行：
patch -p0 < /path/to/this/directory/jvm_route.patch
其中/path/to/this/directory/指的是nginx-upstream-jvm-route的源码文件夹绝对路径

3、进入nginx源码目录执行configure：
---------------------------------------------------------

./configure --conf-path=/etc/nginx/nginx.conf \
--error-log-path=/var/log/nginx/error.log \
--pid-path=/var/run/nginx.pid \
--lock-path=/var/lock/nginx.lock \
--http-log-path=/var/log/nginx/access.log \
--http-client-body-temp-path=/var/lib/nginx/body \
--http-proxy-temp-path=/var/lib/nginx/proxy \
--http-fastcgi-temp-path=/var/lib/nginx/fastcgi \
--with-debug \
--with-http_stub_status_module \
--with-http_flv_module \
--with-http_ssl_module \
--with-http_dav_module \
--with-http_gzip_static_module \
--with-mail \
--with-mail_ssl_module \
--with-ipv6 \
--with-http_realip_module \
--with-http_geoip_module \
--with-http_xslt_module \
--with-http_image_filter_module \
--with-sha1=/usr/include/openssl \
--with-md5=/usr/include/openssl \
--add-module=/home/aiks/nginx-install/nginx-accesskey-2.0.3 \
--add-module=/home/aiks/nginx-install/gnosek-nginx-upstream-fair-2131c73 \
--add-module=/home/aiks/nginx-install/nginx_upstream_jvm_route

---------------------------------------------------------

注意--add-module后面的路径为模块源码目录所在位置。

4、编译：
sudo make

5、手工建立目录/var/lib/nginx

6、安装
sudo make install

四、配置
1、站点配置在/etc/nginx下（略）

2、建立shell 脚本 /etc/init.d/nginx
---------------------------------------------

#! /bin/sh


### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the nginx web server
# Description:       starts nginx using start-stop-daemon
### END INIT INFO




PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/local/nginx/sbin/nginx
NAME=nginx
DESC=nginx


test -x $DAEMON || exit 0


# Include nginx defaults if available
if [ -f /etc/default/nginx ] ; then
        . /etc/default/nginx
fi


set -e


case "$1" in
  start)
        echo -n "Starting $DESC: "
        start-stop-daemon --start --quiet --pidfile /var/run/$NAME.pid \
                --exec $DAEMON -- $DAEMON_OPTS
        echo "$NAME."
        ;;
  stop)
        echo -n "Stopping $DESC: "
        start-stop-daemon --stop --quiet --pidfile /var/run/$NAME.pid \
                --exec $DAEMON
        echo "$NAME."
        ;;
  restart|force-reload)
        echo -n "Restarting $DESC: "
        start-stop-daemon --stop --quiet --pidfile \
                /var/run/$NAME.pid --exec $DAEMON
        sleep 1
        start-stop-daemon --start --quiet --pidfile \
                /var/run/$NAME.pid --exec $DAEMON -- $DAEMON_OPTS
        echo "$NAME."
        ;;
  reload)
      echo -n "Reloading $DESC configuration: "
      start-stop-daemon --stop --signal HUP --quiet --pidfile /var/run/$NAME.pid \
          --exec $DAEMON
      echo "$NAME."
      ;;
  *)
        N=/etc/init.d/$NAME
        echo "Usage: $N {start|stop|restart|force-reload}" >&2
        exit 1
        ;;
esac


exit 0

---------------------------------------------

3、并执行命令：
sudo update-rc.d -f nginx defaults
更新 rc 后，即可使用：
sudo /etc/init.d/nginx start
sudo /etc/init.d/nginx stop
sudo /etc/init.d/nginx restart

Access restriction: is not accessible

最近在做关于图片操作的问题，但是发现在eclipse中，对于某些rt.jar里面的方法访问的时候，会出现错误提示： Access restriction: XXXXXXXXX is not accessible due to restriction on required library XXXXX
本例的错误信息为：程序包com.sun.image.codec.jpeg不存在
一下所引入的包也有可能会发生问题：例如 import sun.misc.BASE64Decoder; import com.sun.image.codec.jpeg.JPEGCodec;
会发现有一些解决方案：

解决办法一：
1. Open project properties.
2. Select Java Build Path node.
3. Select Libraries tab.
4. Remove JRE System Library 一次
5. 再次 Add Library JRE System Library

解决方案二：
Window-->Preferences-->Java-->Compiler-->Error/Warnings-->Deprecated and Restricted API 改为 warning

其实如果是操作某些非公开的JDK API的话，会出现这些问题，可以使用上述的解决方案，但是建议使用其他的方案代替，例如下例所给出的解决方案，用scaleImage2 代替 scaleImage 不使用受保护的方法

package com.zy.common.util;

import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.imageio.ImageIO;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;


public class ImagesUtil {

	/**
     * 缩略图片
     * @param oldpath 原图片
     * @param newpath 新生成的图片存放地址
     * @param wdith   缩略后的宽
     * @param height  缩略后的高
     */
    public static void scaleImage(String oldpath, String newpath, int wdith, int height) {
    	// 获取老的图片
    	File oldimg = new File(oldpath);
		try {
			BufferedImage bi = ImageIO.read(oldimg);
			Image Itemp = bi.getScaledInstance(wdith, height, BufferedImage.SCALE_SMOOTH);
			BufferedImage thumbnail = new BufferedImage(wdith, height, BufferedImage.TYPE_INT_RGB);
			thumbnail.getGraphics().drawImage(Itemp, 0, 0, null);
			// 缩略后的图片路径
			File newimg = new File(newpath);
			//FileOutputStream out = new FileOutputStream(newimg);
			// 绘图
			//JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			//JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(thumbnail);
			//param.setQuality(1.0f, false);
			//encoder.encode(thumbnail);
			//out.close();
			String formatName = newpath.substring(newpath.lastIndexOf(".") + 1); 
			ImageIO.write(thumbnail,  formatName , new File(newpath) );
			bi.flush();
			bi = null;
		} catch (IOException e) {
			System.out.println(e.getStackTrace());
		}
    }
    
    /**
     * 缩略图片
     * @param oldpath 原图片
     * @param newpath 新生成的图片存放地址
     * @param wdith   缩略后的宽
     * @param height  缩略后的高
     */
    public static void scaleImage2(String oldpath, String newpath, int wdith, int height) {
    	// 获取老的图片
    	File oldimg = new File(oldpath);
		try {
			BufferedImage bi = ImageIO.read(oldimg);
			Image Itemp = bi.getScaledInstance(wdith, height, BufferedImage.SCALE_SMOOTH);
			BufferedImage thumbnail = new BufferedImage(wdith, height, BufferedImage.TYPE_INT_RGB);
			thumbnail.getGraphics().drawImage(Itemp, 0, 0, null);
			// 缩略后的图片路径
			File newimg = new File(newpath);
			FileOutputStream out = new FileOutputStream(newimg);
			// 绘图
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
			JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(thumbnail);
			param.setQuality(1.0f, false);
			encoder.encode(thumbnail);
			out.close();
			bi.flush();
			bi = null;
		} catch (IOException e) {
			System.out.println(e.getStackTrace());
		}
    }

}

Access restriction: The constructor SunJCE() is not accessib

问题现象: Access restriction: The constructor SunJCE() is not accessible due to restriction on required library 原因分析: 大致意识是依赖库SunJCE() 构造函数被限制访问；解决思路：方案一： Window - Preferences - Java - Compiler - Errors/War

问题现象:

Access restriction: The constructor SunJCE() is not accessible due to restriction on required library

原因分析:

大致意识是依赖库 SunJCE() 构造函数被限制访问；

解决思路：

方案一：Window -> Preferences -> Java -> Compiler -> Errors/Warnings -> Deprecated and restricted API -> Forbidden reference (access rules) -> Warnings

Access restriction: The constructor SunJCE() is not accessib 未完待续....

Access restriction: The constructor SunJCE() is not accessible

Description Resource Path Location Type
Access restriction: The constructor SunJCE() is not accessible due to restriction on required library D:\Program Files (x86)\Java\jdk1.6.0_29\jre\lib\ext\sunjce_provider.jar CCi.java line 22 Java Problem

解决办法：将 Errors/Warnings 中的 Forbidden reference (access rules): 由 Error 修改为 Warning 即可

Access restriction: The type XXX is not accessi...

- Access restriction: The type IInboundMessageNotification is not accessible due to restriction on required library C:\Program Files\Java\jdk\jre\lib\ext
\jdsmsserver-3.4.jar

google了一下下面是解决方法:

Eclipse 默认把这些受访问限制的API设成了ERROR。只要把Windows-Preferences-Java-Complicer- Errors/Warnings里面的Deprecated and restricted API中的Forbidden references(access rules)选为Warning就可以编译通过。

不过这个不好，如果你的jre目录里面有你项目需要引用的jar包，而你又引用了外部jar包，也就是说引用了两次，

如果你想让起作用的是手动引用的外部jar包这个时候需要把 "Referenced Library" 调整到 "JRE System Library"上面

引用的顺序是从上到下

改变顺序前的效果:

build path

最后效果

OK 一切正常...

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