java.lang.NoClassDefFoundError: Could not initialize class org.geotoolkit.metadata.Citations
    at org.geotoolkit.referencing.factory.AbstractAuthorityFactory.getAuthority(AbstractAuthorityFactory.java:142)
    at org.geotoolkit.referencing.factory.CachingAuthorityFactory.unavailable(CachingAuthorityFactory.java:351)
    at org.geotoolkit.referencing.factory.CachingAuthorityFactory.availability(CachingAuthorityFactory.java:311)
    at org.geotoolkit.factory.FactoryRegistry.isAcceptable(FactoryRegistry.java:579)
    at org.geotoolkit.factory.FactoryRegistry$1.filter(FactoryRegistry.java:237)
    at javax.imageio.spi.FilterIterator.advance(ServiceRegistry.java:821)
    at javax.imageio.spi.FilterIterator.<init>(ServiceRegistry.java:815)
    at javax.imageio.spi.ServiceRegistry.getServiceProviders(ServiceRegistry.java:516)
    at org.geotoolkit.factory.FactoryRegistry.getServiceProviders(FactoryRegistry.java:242)
    at org.geotoolkit.factory.FactoryFinder.getFactories(FactoryFinder.java:219)
    at org.geotoolkit.factory.AuthorityFactoryFinder.getCRSAuthorityFactories(AuthorityFactoryFinder.java:265)
    at org.geotoolkit.referencing.DefaultAuthorityFactory.create(DefaultAuthorityFactory.java:111)
    at org.geotoolkit.referencing.CRS.getAuthorityFactory(CRS.java:225)
    at org.geotoolkit.referencing.CRS.decode(CRS.java:432)
    at org.geotoolkit.internal.jaxb.CoordinateReferenceSystemAdapter.unmarshal(CoordinateReferenceSystemAdapter.java:25)
    at org.geotoolkit.internal.jaxb.CoordinateReferenceSystemAdapter.unmarshal(CoordinateReferenceSystemAdapter.java:18)
    at com.sun.xml.internal.bind.v2.runtime.reflect.AdaptedAccessor.set(AdaptedAccessor.java:70)
    at com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor$CompositeTransducedAccessorImpl.parse(TransducedAccessor.java:230)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StructureLoader.startElement(StructureLoader.java:195)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.ProxyLoader.startElement(ProxyLoader.java:45)
    at com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl$IntercepterLoader.startElement(ElementBeanInfoImpl.java:238)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:513)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:492)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.InterningXmlVisitor.startElement(InterningXmlVisitor.java:60)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:231)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:165)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:400)
    at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:371)
    at org.apache.sis.xml.PooledUnmarshaller.unmarshal(PooledUnmarshaller.java:350)
    at org.geotoolkit.feature.xml.jaxp.JAXPStreamFeatureReader.readFeature(JAXPStreamFeatureReader.java:326)
    at org.geotoolkit.feature.xml.jaxp.JAXPStreamFeatureReader.readFeatureCollection(JAXPStreamFeatureReader.java:257)
    at org.geotoolkit.feature.xml.jaxp.JAXPStreamFeatureReader.read(JAXPStreamFeatureReader.java:182)
    at org.geotoolkit.feature.xml.jaxp.JAXPStreamFeatureReader.read(JAXPStreamFeatureReader.java:131)
    at org.virtual.ows.WfsReader.retrieve(WfsReader.java:43)
    at org.acme.IntegrationTests.retrieve(IntegrationTests.java:116)
    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:483)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    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)