Spring项目启动报错

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Error creating bean with name 'org.springframework.beans.factory.config.PropertyPlaceholderConfigurer#0' defined in class path resource [spring-config.xml]: Initialization of bean failed; nested exception is java.lang.NoSuchFieldError: NULL

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)

at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:649)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)

at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)

at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)

at org.apache.catalina.core.StandardService.start(StandardService.java:525)

at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)

at org.apache.catalina.startup.Catalina.start(Catalina.java:595)

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:497)

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

Caused by: java.lang.NoSuchFieldError: NULL

类似上述报错，项目Maven打包不报错，Eclipse中也不报错，只是在项目加载到服务器中报上述错误；

定位了几次，刚开始认为配置文件有问题，后来问一个前辈，他曾经遇到过这个问题，给出的答案如下：

项目中引用了第三方包，第三方包依赖了一个spring包，所引用的spring版本，与本地项目不同，造成的冲突,确定问题的原因，可以看Maven打包的lib下面是否有多个spring版本的引用包，确定后统一一下spring的版本，更改一下pom.xml中的spring版本信息即可

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