线程报错的问题
我写了一个扩展Applet实现Runnable的类,老会这样的错报错:
java.security.AccessControlException: access denied (java.lang.RuntimePermission modifyThreadGroup)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:264)
at java.security.AccessController.checkPermission(AccessController.java:427)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at sun.applet.AppletSecurity.checkAccess(AppletSecurity.java:159)
at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:288)
at java.lang.Thread.init(Thread.java:310)
at java.lang.Thread.<init>(Thread.java:371)
at test.scrollBanner.start(scrollBanner.java:17)
at sun.applet.AppletPanel.run(AppletPanel.java:413)
at java.lang.Thread.run(Thread.java:595)
代码上应该没问题,它这个错误行也不是我程序中的。这个应该是那方面的原因?