Error when naming the package "cucumber".

cucumber-error.txt

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running cucumber.RunCukesTest
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.409 sec <<< FAILURE!
initializationError(cucumber.RunCukesTest)  Time elapsed: 0.009 sec  <<< ERROR!
java.lang.NoClassDefFoundError: org/jdom2/JDOMException
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.privateGetPublicMethods(Class.java:2902)
	at java.lang.Class.getMethods(Class.java:1615)
	at cucumber.runtime.java.MethodScanner.scan(MethodScanner.java:40)
	at cucumber.runtime.java.JavaBackend.loadGlue(JavaBackend.java:86)
	at cucumber.runtime.Runtime.<init>(Runtime.java:92)
	at cucumber.runtime.Runtime.<init>(Runtime.java:70)
	at cucumber.runtime.Runtime.<init>(Runtime.java:66)
	at cucumber.api.junit.Cucumber.createRuntime(Cucumber.java:80)
	at cucumber.api.junit.Cucumber.<init>(Cucumber.java:59)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104)
	at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
	at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
	at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:250)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
	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.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: java.lang.ClassNotFoundException: org.jdom2.JDOMException
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 33 more


Results :

Tests in error:
  initializationError(cucumber.RunCukesTest): org/jdom2/JDOMException

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------

Layout

src/test/java/cucumber/RunCukesTest.java
src/test/resources/cucumber/example.feature

Command

mvn clean test