找出引起什么的原因java.security.AccessControlException
问题描述:
我已经构建了一个由Java Web Start启动的Java应用程序。找出引起什么的原因java.security.AccessControlException
在应用程序的最后阶段,将文件上载到我们的服务器。
在Mac OSX最近,我开始渐渐崩溃(10.6)。
我得到这个从日志:
MRJ Plugin for Mac OS X v1.0.1
[starting up Java Applet Security @ Thu Apr 14 17:58:16 CEST 2011]
Thu Apr 14 17:58:20 CEST 2011 JEP creating applet ScratchApplet (http://scratch.mit.edu/static/misc/)
<<< ProxyClassLoader: defined LiveConnectProxy class. >>>
<<< Here're the permissions you've got: >>>
<<< [email protected] (
(java.net.SocketPermission scratch.mit.edu connect,accept,resolve)
)
>>>
Exception in thread "AWT-EventQueue-3" java.security.AccessControlException: access denied (java.lang.RuntimePermission modifyThreadGroup)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:374)
at java.security.AccessController.checkPermission(AccessController.java:546)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at sun.applet.AppletSecurity.checkAccess(AppletSecurity.java:235)
at sun.plugin.security.ActivatorSecurityManager.checkAccess(ActivatorSecurityManager.java:155)
at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:299)
at java.lang.Thread.init(Thread.java:336)
at java.lang.Thread.<init>(Thread.java:564)
at jep.AppletFrame.destroyAppletDirectly1(Unknown Source)
at jep.AppletFrame$Destroy1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:678)
at java.awt.EventQueue.access$000(EventQueue.java:86)
at java.awt.EventQueue$1.run(EventQueue.java:639)
at java.awt.EventQueue$1.run(EventQueue.java:637)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
at java.awt.EventQueue$2.run(EventQueue.java:653)
at java.awt.EventQueue$2.run(EventQueue.java:651)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:650)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
这告诉,这是一个安全问题。但奇怪的是,我没有问题在Windows上,这是存在于jnlp文件:
<security>
<all-permissions/>
</security>
它是一个签名的应用程序。
我如何了解更多关于在exeption被抛出?
我也有故障转储可用的,但是我不知道该如何来解读它。
答
检查,看看你的应用程序是正确的签名。您可以使用以下命令行来测试jar文件:
jarsigner -verify <jarfile>
尝试在Windows和Mac上。比较输出以查看它是否在Mac上对Windows进行验证。您需要在JVM的cacerts文件中拥有证书颁发机构的证书。由于Apple负责在Mac上交付Java,因此该文件可能不包含与Windows相同的证书颁发机构,因为这是由Oracle分发的。据说在不久的将来,甲骨文将在Mac上提供Java,但这可能是问题所在。基本上,您的应用程序没有您所请求的权限,因为您的例外说。
确保在使用验证JNLP [JaNeLA](http://pscode.org/janela/)。该应用还有什么?这是否需要信任? – 2011-12-31 04:10:03
它是一个写入文件并将其发送到我们的服务器的屏幕录像机 – 2011-12-31 13:24:45