dubbo启动报错 Servlet.init() for servlet springmvc threw exception java.lang.NoSuchMethodError: org.spri

报错信息

javax.servlet.servletexception: Servlet.init() for servlet springmvc threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2522)
	org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2511)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:745)

java.lang.NoSuchMethodError: org.springframework.util.ClassUtils.getmethod(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
	org.springframework.core.convert.support.GenericConversionService.<clinit>(GenericConversionService.java:81)
	org.springframework.core.env.AbstractPropertyResolver.<init>(AbstractPropertyResolver.java:41)
	org.springframework.core.env.PropertySourcesPropertyResolver.<init>(PropertySourcesPropertyResolver.java:41)
	org.springframework.core.env.AbstractEnvironment.<init>(AbstractEnvironment.java:113)
	org.springframework.core.env.StandardEnvironment.<init>(StandardEnvironment.java:54)
	org.springframework.web.context.support.StandardServletEnvironment.<init>(StandardServletEnvironment.java:44)
	org.springframework.web.servlet.HttpServletBean.createEnvironment(HttpServletBean.java:215)
	org.springframework.web.servlet.HttpServletBean.getEnvironment(HttpServletBean.java:205)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:126)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)

解决：jar冲突所致，file-Project Structure-Artifacts-选中项目，spring的版本使用的是4.3.8，删除如下图所示的选项

问题解决