java.util.ServiceConfigurationError

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    • java.util.ServiceConfigurationError: Couldn't instantiate class de.dhbw.fourwins.strategy.EasyStratFactory at java.util.ServiceLoader$ServiceIterator.next(ServiceLoader.java:216) at dievierlustigen5.dhbw.de.a4wins.strategy.StrategyLoader.load(StrategyLoader.java:78) at dievierlustigen5.dhbw.de.a4wins.DifficultyActivity.onCreate(DifficultyActivity.java:43) at android.app.Activity.performCreate(Activity.java:6877) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1136) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3208) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3351) at android.app.ActivityThread.access$1100(ActivityThread.java:222) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1796) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:158) at android.app.ActivityThread.main(ActivityThread.java:7230) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.net.URL.getProtocol()' on a null object reference at java.net.URLClassLoader.getPermissions(URLClassLoader.java:614) at java.security.SecureClassLoader.getPD(SecureClassLoader.java:140) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:93) at java.net.URLClassLoader.access$600(URLClassLoader.java:55) at java.net.URLClassLoader$URLJarHandler.createClass(URLClassLoader.java:364) at java.net.URLClassLoader$URLJarHandler.findClass(URLClassLoader.java:303) at java.net.URLClassLoader.findClass(URLClassLoader.java:748) at dievierlustigen5.dhbw.de.a4wins.strategy.StrategieClassLoader.loadClass(StrategieClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) at java.util.ServiceLoader$ServiceIterator.next(ServiceLoader.java:214)

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