I am getting following 2 exception while starting up Greenhouse in standard mode ...what could I be missing here?

Sep 3, 2011 4:30:07 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter flashMapFilter
java.lang.ClassNotFoundException: org.springframework.web.flash.FlashMapFilter


Sep 3, 2011 4:30:07 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter securityFilter
org.springframework.beans.factory.NoSuchBeanDefini tionException: No bean named 'springSecurityFilterChain' is defined
at org.springframework.beans.factory.support.DefaultL istableBeanFactory.getBeanDefinition(DefaultListab leBeanFactory.java:529)

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Full stacktrace

INFO : org.springframework.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 462 ms
Sep 3, 2011 4:30:07 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter flashMapFilter
java.lang.ClassNotFoundException: org.springframework.web.flash.FlashMapFilter
at org.apache.catalina.loader.WebappClassLoader.loadC lass(WebappClassLoader.java:1671)
at org.apache.catalina.loader.WebappClassLoader.loadC lass(WebappClassLoader.java:1516)
at org.apache.catalina.core.DefaultInstanceManager.lo adClass(DefaultInstanceManager.java:415)
at org.apache.catalina.core.DefaultInstanceManager.lo adClassMaybePrivileged(DefaultInstanceManager.java :397)
at org.apache.catalina.core.DefaultInstanceManager.ne wInstance(DefaultInstanceManager.java:118)
at org.apache.catalina.core.ApplicationFilterConfig.g etFilter(ApplicationFilterConfig.java:252)
at org.apache.catalina.core.ApplicationFilterConfig.s etFilterDef(ApplicationFilterConfig.java:372)
at org.apache.catalina.core.ApplicationFilterConfig.< init>(ApplicationFilterConfig.java:98)
at org.apache.catalina.core.StandardContext.filterSta rt(StandardContext.java:4405)
at org.apache.catalina.core.StandardContext.startInte rnal(StandardContext.java:5037)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.ContainerBase.startIntern al(ContainerBase.java:1035)
at org.apache.catalina.core.StandardHost.startInterna l(StandardHost.java:738)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.ContainerBase.startIntern al(ContainerBase.java:1035)
at org.apache.catalina.core.StandardEngine.startInter nal(StandardEngine.java:289)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.StandardService.startInte rnal(StandardService.java:442)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.StandardServer.startInter nal(StandardServer.java:674)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.startup.Catalina.start(Catalin a.java:596)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootst rap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:431)
Sep 3, 2011 4:30:07 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter securityFilter
org.springframework.beans.factory.NoSuchBeanDefini tionException: No bean named 'springSecurityFilterChain' is defined
at org.springframework.beans.factory.support.DefaultL istableBeanFactory.getBeanDefinition(DefaultListab leBeanFactory.java:529)
at org.springframework.beans.factory.support.Abstract BeanFactory.getMergedLocalBeanDefinition(AbstractB eanFactory.java:1095)
at org.springframework.beans.factory.support.Abstract BeanFactory.doGetBean(AbstractBeanFactory.java:277 )
at org.springframework.beans.factory.support.Abstract BeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.context.support.AbstractApplic ationContext.getBean(AbstractApplicationContext.ja va:1097)
at org.springframework.web.filter.DelegatingFilterPro xy.initDelegate(DelegatingFilterProxy.java:326)
at org.springframework.web.filter.DelegatingFilterPro xy.initFilterBean(DelegatingFilterProxy.java:236)
at org.springframework.web.filter.GenericFilterBean.i nit(GenericFilterBean.java:194)
at org.apache.catalina.core.ApplicationFilterConfig.i nitFilter(ApplicationFilterConfig.java:273)
at org.apache.catalina.core.ApplicationFilterConfig.g etFilter(ApplicationFilterConfig.java:254)
at org.apache.catalina.core.ApplicationFilterConfig.s etFilterDef(ApplicationFilterConfig.java:372)
at org.apache.catalina.core.ApplicationFilterConfig.< init>(ApplicationFilterConfig.java:98)
at org.apache.catalina.core.StandardContext.filterSta rt(StandardContext.java:4405)
at org.apache.catalina.core.StandardContext.startInte rnal(StandardContext.java:5037)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.ContainerBase.startIntern al(ContainerBase.java:1035)
at org.apache.catalina.core.StandardHost.startInterna l(StandardHost.java:738)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.ContainerBase.startIntern al(ContainerBase.java:1035)
at org.apache.catalina.core.StandardEngine.startInter nal(StandardEngine.java:289)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.StandardService.startInte rnal(StandardService.java:442)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.core.StandardServer.startInter nal(StandardServer.java:674)
at org.apache.catalina.util.LifecycleBase.start(Lifec ycleBase.java:140)
at org.apache.catalina.startup.Catalina.start(Catalin a.java:596)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootst rap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:431)
Sep 3, 2011 4:30:07 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error filterStart
Sep 3, 2011 4:30:07 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/greenhouse] startup failed due to previous errors
Sep 3, 2011 4:30:07 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext