java.lang.NoSuchFieldError: INSTANCE错误的问题

最近运行项目出现错误
**org.springframework.web.util.NestedServletException**: Handler dispatch failed; **nested exception is java.lang.NoSuchFieldError: INSTANCE
    at** org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:982)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.NoSuchFieldError: INSTANCE
at org.apache.http.impl.nio.codecs.DefaultHttpRequestWriterFactory.(DefaultHttpRequestWriterFactory.java:53)
at org.apache.http.impl.nio.codecs.DefaultHttpRequestWriterFactory.(DefaultHttpRequestWriterFactory.java:57)
at org.apache.http.impl.nio.codecs.DefaultHttpRequestWriterFactory.(DefaultHttpRequestWriterFactory.java:47)
at org.apache.http.impl.nio.conn.ManagedNHttpClientConnectionFactory.(ManagedNHttpClientConnectionFactory.java:75)
at org.apache.http.impl.nio.conn.ManagedNHttpClientConnectionFactory.(ManagedNHttpClientConnectionFactory.java:83)
at org.apache.http.impl.nio.conn.ManagedNHttpClientConnectionFactory.(ManagedNHttpClientConnectionFactory.java:64)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager$InternalConnectionFactory.(PoolingNHttpClientConnectionManager.java:553)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.(PoolingNHttpClientConnectionManager.java:163)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.(PoolingNHttpClientConnectionManager.java:147)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.(PoolingNHttpClientConnectionManager.java:119)
at org.apache.http.impl.nio.client.HttpAsyncClientBuilder.build(HttpAsyncClientBuilder.java:668)
at org.elasticsearch.client.RestClientBuilder$2.run(RestClientBuilder.java:218)
at org.elasticsearch.client.RestClientBuilder$2.run(RestClientBuilder.java:215)
at java.security.AccessController.doPrivileged(Native Method)
at org.elasticsearch.client.RestClientBuilder.createHttpClient(RestClientBuilder.java:215)
at org.elasticsearch.client.RestClientBuilder.access$000(RestClientBuilder.java:42)
at org.elasticsearch.client.RestClientBuilder$1.run(RestClientBuilder.java:187)
at org.elasticsearch.client.RestClientBuilder $1.run(RestClientBuilder.java:184) at java.security.AccessController.doPrivileged(Native Method) at org.elasticsearch.client.RestClientBuilder.build(RestClientBuilder.java:184) at org.elasticsearch.client.RestHighLevelClient.<init>(RestHighLevelClient.java:200) at org.elasticsearch.client.RestHighLevelClient.<init>(RestHighLevelClient.java:192) at com.bw.dataexchange.common.util.EsClientPoolFactory.makeObject(EsClientPoolFactory.java:45) at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:868) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) at com.bw.dataexchange.common.util.ElasticSearchPoolUtil.getClient(ElasticSearchPoolUtil.java:34) at com.bw.dataexchange.vehicle.dao.impl.VehicleDaoImpl.queryTrackInfoByTimesVin(VehicleDaoImpl.java:283) at com.bw.dataexchange.vehicle.biz.VehicleBiz.queryTrackInfoByTimesVin(VehicleBiz.java:276) at com.bw.dataexchange.vehicle.biz.VehicleBiz$ $FastClassBySpringCGLIB$ $969c7859.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:669)
at com.bw.dataexchange.vehicle.biz.VehicleBiz $EnhancerBySpringCGLIB$99745e6b.queryTrackInfoByTimesVin()
at com.bw.dataexchange.vehicle.service.impl.VehicleServiceImpl.queryTrackInfoByTimesVin(VehicleServiceImpl.java:76)
at com.alibaba.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java)
at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)
at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)
at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)
at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:61)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:132)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:69)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol $1.reply(DubboProtocol.java:100) at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:98) at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170) at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52) at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:81) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
… 1 more

在检查错误时重点看nested exception
我的caused by 后面跟的源码都是
at org.apache.http.impl.nio.codecs.DefaultHttpRequestWriterFactory
所以可以判断为是httpclient的错误
结合网上说的是jar包冲突jar包重复问题
查看自己的lib确实重复,删除重复的,正常运行了
	**重点看下caused by 后面的出错的源码是什么,可以看出是什么包有问题!**