Stack trace

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/arthur/.m2/repository/ch/qos/logback/logback-classic/1.1.2/logback-classic-1.1.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/Users/arthur/.m2/repository/org/slf4j/slf4j-simple/1.7.12/slf4j-simple-1.7.12.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
15:22:45.429 [main] DEBUG org.reflections.Reflections - going to scan these urls:
jar:file:/Users/arthur/.m2/repository/org/nd4j/nd4j-context/0.4-rc3.9-SNAPSHOT/nd4j-context-0.4-rc3.9-20160507.171959-525.jar!/
jar:file:/Users/arthur/.m2/repository/org/nd4j/nd4j-common/0.4-rc3.9-SNAPSHOT/nd4j-common-0.4-rc3.9-20160507.171941-694.jar!/
jar:file:/Users/arthur/.m2/repository/org/nd4j/nd4j-buffer/0.4-rc3.9-SNAPSHOT/nd4j-buffer-0.4-rc3.9-20160507.172008-479.jar!/
jar:file:/Users/arthur/.m2/repository/org/nd4j/nd4j-jackson/0.4-rc3.9-SNAPSHOT/nd4j-jackson-0.4-rc3.9-20160219.215904-85.jar!/
jar:file:/Users/arthur/.m2/repository/org/nd4j/nd4j-api/0.4-rc3.9-SNAPSHOT/nd4j-api-0.4-rc3.9-20160507.172035-647.jar!/
15:22:46.183 [main] INFO  org.reflections.Reflections - Reflections took 734 ms to scan 5 urls, producing 107 keys and 362 values 
Exception in thread "main" java.lang.ExceptionInInitializerError
	at org.deeplearning4j.models.embeddings.loader.WordVectorSerializer.loadTxt(WordVectorSerializer.java:1098)
	at org.deeplearning4j.models.embeddings.loader.WordVectorSerializer.loadTxtVectors(WordVectorSerializer.java:1028)
	at org.hucompute.word2vecsemanticrelation.App.main(App.java:40)
	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:497)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: java.lang.RuntimeException: org.nd4j.linalg.factory.Nd4jBackend$NoAvailableBackendException: Please ensure that you have an nd4j backend on your classpath. Please see: http://nd4j.org/getstarted.html
	at org.nd4j.linalg.factory.Nd4j.initContext(Nd4j.java:4718)
	at org.nd4j.linalg.factory.Nd4j.<clinit>(Nd4j.java:148)
	... 8 more
Caused by: org.nd4j.linalg.factory.Nd4jBackend$NoAvailableBackendException: Please ensure that you have an nd4j backend on your classpath. Please see: http://nd4j.org/getstarted.html
	at org.nd4j.linalg.factory.Nd4jBackend.load(Nd4jBackend.java:170)
	at org.nd4j.linalg.factory.Nd4j.initContext(Nd4j.java:4715)
	... 9 more