NoClassDefFoundError: javax/servlet/http/HttpServletRequest after importing getting-started WFK Spring example

java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2436)
	at java.lang.Class.getDeclaredMethods(Class.java:1793)
	at org.springframework.core.type.StandardAnnotationMetadata.hasAnnotatedMethods(StandardAnnotationMetadata.java:130)
	at org.springframework.context.annotation.ConfigurationClassUtils.isLiteConfigurationCandidate(ConfigurationClassUtils.java:109)
	at org.springframework.context.annotation.ConfigurationClassUtils.checkConfigurationClassCandidate(ConfigurationClassUtils.java:87)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:259)
	at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:86)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:749)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:742)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:626)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:585)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:451)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpServletRequest
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	... 23 more