The exception is arising while running with spark

Exception_stack_while_running_dl4j_with_spark

background log: error: (run-main-0) java.lang.NoClassDefFoundError: org/bytedeco/javacpp/Pointer
java.lang.NoClassDefFoundError: org/bytedeco/javacpp/Pointer
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at org.nd4j.linalg.factory.Nd4j.initWithBackend(Nd4j.java:5064)
	at org.nd4j.linalg.factory.Nd4j.initContext(Nd4j.java:5021)
	at org.nd4j.linalg.factory.Nd4j.<clinit>(Nd4j.java:169)
	at org.deeplearning4j.datasets.fetchers.MnistDataFetcher.fetch(MnistDataFetcher.java:164)
	at org.deeplearning4j.datasets.iterator.BaseDatasetIterator.next(BaseDatasetIterator.java:59)
	at com.knoldus.cnn.MnsitExample.<init>(MnsitExample.scala:32)
	at com.knoldus.cnn.MnsitExample$.<init>(MnsitExample.scala:89)
	at com.knoldus.cnn.MnsitExample$.<clinit>(MnsitExample.scala)
	at com.knoldus.cnn.MnsitExample.main(MnsitExample.scala)
	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 sbt.Run.invokeMain(Run.scala:67)
	at sbt.Run.run0(Run.scala:61)
	at sbt.Run.sbt$Run$$execute$1(Run.scala:51)
	at sbt.Run$$anonfun$run$1.apply$mcV$sp(Run.scala:55)
	at sbt.Run$$anonfun$run$1.apply(Run.scala:55)
	at sbt.Run$$anonfun$run$1.apply(Run.scala:55)
	at sbt.Logger$$anon$4.apply(Logger.scala:85)
	at sbt.TrapExit$App.run(TrapExit.scala:248)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.bytedeco.javacpp.Pointer
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 24 more