java.lang.ClassCircularityError: net/sf/robocode/host/security/RobocodeSecurityPolicy$2

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via robocode by funwai
, 1 year ago
net/sf/robocode/host/security/RobocodeSecurityPolicy$2
via Stack Overflow by Chobeat
, 2 years ago
net/sf/robocode/host/security/RobocodeSecurityPolicy$2
java.lang.ClassCircularityError: net/sf/robocode/host/security/RobocodeSecurityPolicy$2	at net.sf.robocode.host.security.RobocodeSecurityPolicy.implies(RobocodeSecurityPolicy.java:101)	at java.security.ProtectionDomain.implies(ProtectionDomain.java:281)	at java.security.AccessControlContext.checkPermission(AccessControlContext.java:450)	at java.security.AccessController.checkPermission(AccessController.java:884)	at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)	at java.lang.System.setProperty(System.java:792)	at net.sf.robocode.ui.WindowManager.setEnableGUI(WindowManager.java:104)	at net.sf.robocode.ui.WindowManager.setVisibleForRobotEngine(WindowManager.java:621)	at robocode.control.RobocodeEngine.setVisible(RobocodeEngine.java:207)	at robot.battle.main(battle.java:18)