NoSuchFieldError: INSTANCE 异常是因为jar冲突。仔细检查jar是否有重复。

org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/spring/applicationContext-sca.xml]; nest
ed exception is java.lang.NoSuchFieldError: INSTANCE
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:419)