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  1. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

  2. ,

    you can change your scala version to 2.11.11

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via GitHub by MankowitzProjects
, 1 year ago
org/nd4j/linalg/api/complex/IComplexNumber
java.lang.ClassNotFoundException: org.nd4j.linalg.api.complex.IComplexNumber	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:190)	at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass1(DeferSupportingClassLoader.java:77)	at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:67)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at org.deeplearning4j.rl4j.space.GymObservationSpace.(GymObservationSpace.java:38)	at org.deeplearning4j.gym.ClientFactory.fetchObservationSpace(ClientFactory.java:72)	at org.deeplearning4j.gym.ClientFactory.build(ClientFactory.java:34)	at org.deeplearning4j.gym.test.ClientTest.completeClientTest(ClientTest.java:74)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:68)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:316)	at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:89)	at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:300)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:131)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.access$100(PowerMockJUnit47RunnerDelegateImpl.java:59)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner$TestExecutorStatement.evaluate(PowerMockJUnit47RunnerDelegateImpl.java:147)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.evaluateStatement(PowerMockJUnit47RunnerDelegateImpl.java:107)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:82)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:288)	at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:87)	at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:50)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:208)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:147)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$1.run(PowerMockJUnit44RunnerDelegateImpl.java:121)	at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)	at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:123)	at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:121)	at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:53)	at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:59)	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)