java - 这个异常是什么意思？我该如何解决这个问题？ java

Question

我正在使用 IcePDF 组件在我的网页上的 JApplet 中查看 pdf。但由于某种原因我收到此错误。谁能告诉我为什么会发生这种情况以及如何解决它？

Exception in thread "thread applet-applet.KitKitApplet.class-1" java.lang.StackOverflowError
    at java.util.PropertyPermissionCollection.implies(Unknown Source)
    at java.security.Permissions.implies(Unknown Source)
    at sun.security.provider.PolicyFile.implies(Unknown Source)
    at java.security.ProtectionDomain.implies(Unknown Source)
    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 org.icepdf.core.util.Defs.property(Defs.java:59)
    at org.icepdf.core.util.Defs.property(Defs.java:63)
    at org.icepdf.core.util.Defs.property(Defs.java:63)
    at org.icepdf.core.util.Defs.property(Defs.java:63)
    at org.icepdf.core.util.Defs.property(Defs.java:63)
    at org.icepdf.core.util.Defs.property(Defs.java:63)
    at org.icepdf.core.util.Defs.property(Defs.java:63)

Answer 1

看起来您遇到了 this bug 。该程序正在尝试读取小程序沙箱不允许其读取的系统属性，并且 IcePDF 无法正确处理随后发生的 SecurityException。