Access restriction required library rt.jar

本文介绍了解决MyEclipse中因BASE64Decoder类型访问限制导致的问题,提供了一个有效的解决方案。

bug描述:
Access restriction: The type BASE64Decoder is not accessible due to restriction on required library D: \Stu_software\myeclipse-pro-2014-GA-offline-installer-windows\binary \com.sun.java.jdk7.win32.x86_64_1.7.0.u45\jre\lib\rt.jar

解决方案:
原文链接:eclipse、myeclipse的解决方案一样

有用记得回来顶我哟!

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
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