2360772 - Failed to instantiate org.springframework.security.provisioning.InMemoryUserDetailsManager

When setting up Data Hub server following guide available on this page: https://help.hybris.com/6.1.0/hcd/d4f38c211baf4d209dd548f2d9b0afce.html after starting the Data Hub server you can see:

2016-08-30 07:40:32,812 [WARN] [c.h.d.s.ExtensionEnabledXmlWebApplicationContext] Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.authentication.dao.DaoAuthenticationProvider#0': Cannot resolve reference to bean 'userDetailsService' while setting bean property 'userDetailsService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDetailsService': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.provisioning.InMemoryUserDetailsManager]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: [Assertion failed] - this expression must be true
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:359) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1469) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) ~[spring-context-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) ~[spring-context-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) [spring-web-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) [spring-web-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) [spring-web-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5077) [catalina.jar:7.0.67]
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5591) [catalina.jar:7.0.67]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:7.0.67]
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) [catalina.jar:7.0.67]
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) [catalina.jar:7.0.67]
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) [catalina.jar:7.0.67]
    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:677) [catalina.jar:7.0.67]
    at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1939) [catalina.jar:7.0.67]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_60]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_60]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDetailsService': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.provisioning.InMemoryUserDetailsManager]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: [Assertion failed] - this expression must be true
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:275) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1131) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1034) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    ... 28 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.provisioning.InMemoryUserDetailsManager]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: [Assertion failed] - this expression must be true
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:267) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    ... 37 common frames omitted
Caused by: java.lang.IllegalArgumentException: [Assertion failed] - this expression must be true
    at org.springframework.util.Assert.isTrue(Assert.java:65) ~[spring-core-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.util.Assert.isTrue(Assert.java:77) ~[spring-core-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    at org.springframework.security.provisioning.InMemoryUserDetailsManager.createUser(InMemoryUserDetailsManager.java:61) ~[spring-security-core-4.0.0.RELEASE.jar:na]
    at org.springframework.security.provisioning.InMemoryUserDetailsManager.<init>(InMemoryUserDetailsManager.java:42) ~[spring-security-core-4.0.0.RELEASE.jar:na]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_60]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_60]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_60]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[na:1.8.0_60]
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147) ~[spring-beans-4.1.5.RELEASE.jar:4.1.5.RELEASE]
    ... 39 common frames omitted

SAP Hybris Commerce 6.1

KBA , data hub , inmemoryuserdetailsmanager , instantiate , CEC-SCC-INT-HUB , Data Hub , Problem