本文介绍了java.security.AccessControlException: 访问被拒绝 (java.io.FilePermission的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
final File parentDir = new File("S:\PDSPopulatingProgram");
parentDir.mkdir();
final String hash = "popupateData";
final String fileName = hash + ".txt";
final File file = new File(parentDir, fileName);
file.createNewFile(); // Creates file PDSPopulatingProgram/popupateData.txt
我正在尝试在文件夹中创建一个文件,但出现异常
I am trying to create a file in a folder but I am getting exception as
java.security.AccessControlException: Access denied
我在 windows 环境下工作.我可以从 Windows 资源管理器中创建一个文件夹,但不能从 Java 代码中创建.
I am working in windows environment. I can create a folder from the Windows Explorer, but not from the Java Code.
我该如何解决这个问题?
How can I resolve this issue?
推荐答案
在你的 libsecurityjava.policy
中尝试添加:
Within your <jre location>libsecurityjava.policy
try adding:
grant {权限 java.security.AllPermission;};
看看它是否允许你.如果是这样,您将不得不添加更精细的权限.
And see if it allows you. If so, you will have to add more granular permissions.
见:
http://java.sun.com/developer/onlineTraining/Programming/JDCBook/appA.html
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