ZkEventSecurityBeanDefinitionParser.getStandardFilter() fails to get Spring standard filter's BeanDefinition

Create this issue based on ZKSPRING-33 zkspring-security 3.1 incompatible with spring security 3.1

Problem Description

As of Spring Security 3.1, implementation for creating standard filter changed. We cannot get standard filter's BeanDefinition s from BeanIds.FILTER_CHAIN_PROXY 's "filterChainMap". Those BeanDefinition are inside property "sourceList" of "org.springframework.security.filterChains".