java.lang.NoClassDefFoundError

robocode/control/events/IBattleListener

Samebug tips8

You might've forgot to add a dependency or it's written wrong. Also, you might be using incompatible versions of Java and Hibernate. More on this here: https://goo.gl/SjSlRA

This error means there's a class missing in your classpath during runtime. You need to create a jar with all your dependencies and have it in your classpath. Check Maven Assembly Plugin and how to add your dependencies to a jar: https://goo.gl/U2zr8k

Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.

Solutions on the web142

  • robocode/control/events/IBattleListener
  • via robocode by theraresheep
    , 4 months ago
    robocode/control/events/IBattleListener
  • robocode/robotpaint/Graphics2DProxy
  • Stack trace

    • java.lang.NoClassDefFoundError: robocode/control/events/IBattleListener at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Unknown Source) at java.lang.Class.getDeclaredMethod(Unknown Source) at net.sf.robocode.security.HiddenAccess.init(HiddenAccess.java:88) at net.sf.robocode.security.HiddenAccess.robocodeMain(HiddenAccess.java:280) at robocode.Robocode.init(Robocode.java:31) at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: robocode.control.events.IBattleListener at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 8 more

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