Access restriction: The type JPEGImageEncoder is not accessible due to restriction

本文介绍了解决Eclipse中处理图片时出现的访问限制错误的方法,包括调整项目属性和编译器设置来避免此类问题。

报错:
Access restriction:The type JPEGCodec is not accessible due to restriction on required library C:\Program Files\Java\jre6\lib\rt.jar

解决方法:
Project -> Properties -> libraries,

先remove掉JRE System Library,然后再Add Library重新加入。

在Eclipse中处理图片,需要引入两个包:
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
报错:
Access restriction: The type JPEGImageEncoder is not accessible due to restriction on required library C:\Java\jre1.6.0_07\lib\rt.jar

此时解决办法:
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。
优先选择第一种方法

Exception in thread "main" java.lang.Error: Unresolved compilation problems: Access restriction: The type String is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type UIManager is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type UIManager is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar The method getSystemLookAndFeel() is undefined for the type UIManager Access restriction: The type Exception is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The method printStackTrace() from the type Throwable is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type JFrame is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The constructor JFrame(String) is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type JFrame is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The method setDefaultCloseOperation(int) from the type JFrame is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type JFrame is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The field EXIT_ON_CLOSE from the type JFrame is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The method setSize(int, int) from the type Window is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The method setLocationRelativeTo(Component) from the type Window is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The method add(Component) from the type Container is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The constructor JLabel(String, int) is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type JLabel is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The type SwingConstants is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The field CENTER from the type SwingConstants is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar Access restriction: The method setVisible(boolean) from the type Window is not accessible due to restriction on required library C:\Program Files (x86)\Java\jdk1.8.0\jre\lib\rt.jar at MainApp.main(MainApp.java:5)测试的代码报错
最新发布
12-16
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