嗨设法为我的Java应用程序创建jar和.jnlp文件,但在运行时遇到麻烦.使用Java Web Start启动好但我认为我需要做一些额外的操作,因为当我运行它时它不会要求获得访问文件I/O的HD的权限.
希望得到一些帮助,并建议知道如何获得许可权利,即我必须做的是我必须做的事情,我的所有课程都不确定.我在Java Web Start中收到的错误消息如下所示.
Exception in thread "AWT-EventQueue-0" java.security.AccessControlException:
access denied (java.io.FilePermission StockDatabase;Stocks.dat 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.checkRead(Unknown Source)
at java.io.File.exists(Unknown Source)
at StockCodeDatabase.<init>(OptraderSA.java:782)
at OptraderSA.actionPerformed(OptraderSA.java:136)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.AbstractButton.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unkno