Working good with lower version of the jars with given below for JDK 1.6 and 1.7
but not working for JDK 1.8

ERROR 19/08/24 14:57:35 ContextLoader [main] Context initialization failed
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from relative location [config/security-config.xml]
Offending resource: ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/config/security-config.xml]; nested exception is org.springframework.beans.FatalBeanException: Class [org.springframework.security.config.SecurityNamespaceHandler] for namespace [http://www.springframework.org/schema/security] does not implement the [org.springframework.beans.factory.xml.NamespaceHandler] interface
org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3830)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:825)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:714)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
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.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/config/security-config.xml]; nested exception is org.springframework.beans.FatalBeanException: Class [org.springframework.security.config.SecurityNamespaceHandler] for namespace [http://www.springframework.org/schema/security] does not implement the [org.springframework.beans.factory.xml.NamespaceHandler] interface
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:414)
at

I have changed

spring-context-2.5.5 -> spring-context-4.3.9.RELEASE

spring-2.5.6.SEC02 jar to -> spring-core-4.3.20.RELEASE

added spring-beans-4.3.9.RELEASE (1)

spring-webmvc-2.5.5-> spring-webmvc-4.3.9.RELEASE

spring-security-core-2.0.4->spring-security-core-4.2.20.RELEASE

spring-webflow-2.0.8.RELEASE-> spring-web-4.3.9.RELEASE

added spring-oxm-4.3.9.RELEASE

spring-security-taglibs-2.0.4->spring-security-taglibs-4.2.10.RELEASE