请帮我看看,我该怎么解决呀
swain 2001-06-11 09:39:00 d:\mywork\net\qqjsp\config.txt
java.security.AccessControlException: access denied (java.util.PropertyPermission user.dir read)
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
at java.lang.System.getProperty(Unknown Source)
at java.io.Win32FileSystem.getUserPath(Unknown Source)
at java.io.Win32FileSystem.resolve(Unknown Source)
at java.io.File.getAbsolutePath(Unknown Source)
at pack.DataSource.readConfigData(DataSource.java:163)
at pack.TestTree.myInit(TestTree.java:41)
at pack.TestTree.init(TestTree.java:28)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)