Re: How to Use BattleRunner

Worked it out now.

I need to put java -cp robocode.jar*;* BattleRunner

On Wednesday, March 22, 2017 at 7:00:36 PM UTC, Jonathan Addison wrote:
>
> Hello, I'm trying to write a genetic program for robocode. I want the 
> battles to be automated, so that I can run the program at night. However, I 
> can't seem to work out how to do it. I've Ctrl-C the source code from 
> http://robocode.sourceforge.net/docs/robocode/robocode/control/package-summary.html (I 
> believe this is for robocode 1.9.2.0) and I'm definitely using 1.9.2.4 . It 
> compiles, but I get a runtime error.
>
> I enter java BattleRunner on the command line (I use Windows 10)
> I've tried java -jar robocode.jar BattleRunner and that doesn't change 
> anything.
> and get this Error: A JNI error has occurred, please check your 
> installation and try again
> Exception in thread "main" java.lang.NoClassDefFoundError: 
> robocode/control/events/IBattleListener
> at java.lang.Class.getDeclaredMethods0(Native Method)
> at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
> at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
> at java.lang.Class.getMethod0(Class.java:3018)
> at java.lang.Class.getMethod(Class.java:1784)
> at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
> at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
> Caused by: java.lang.ClassNotFoundException: 
> robocode.control.events.IBattleListener
> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> ... 7 more
>
> My robocode is installed @ C:\robocode. BattleRunner is stored @ 
> C:\robocode\libs.
>
> I can robocode from the command line, but once that's open I can't use the 
> command prompt.
>
> I'm very sorry, if this has already been answered, many thanks for your 
> time.
>

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