HTTP Status 500Servlet.init() for servlet 。异常

Question

type Exception report

message Servlet.init() for servlet dispatcherServlet threw exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet dispatcherServlet threw exception
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:748)

root cause

java.lang.NoSuchMethodError: org.springframework.core.convert.converter.ConverterRegistry.addConverter(Ljava/lang/Class;Ljava/lang/Class;Lorg/springframework/core/convert/converter/Converter;)V
org.springframework.core.convert.support.DefaultConversionService.addScalarConverters(DefaultConversionService.java:64)
org.springframework.core.convert.support.DefaultConversionService.addDefaultConverters(DefaultConversionService.java:54)
org.springframework.core.convert.support.DefaultConversionService.(DefaultConversionService.java:43)
org.springframework.core.env.AbstractPropertyResolver.(AbstractPropertyResolver.java:41)
org.springframework.core.env.PropertySourcesPropertyResolver.(PropertySourcesPropertyResolver.java:41)
org.springframework.core.env.AbstractEnvironment.(AbstractEnvironment.java:112)
org.springframework.core.env.StandardEnvironment.(StandardEnvironment.java:54)
org.springframework.web.context.support.StandardServletEnvironment.(StandardServletEnvironment.java:44)
org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.createEnvironment(AbstractRefreshableWebApplicationContext.java:156)
org.springframework.context.support.AbstractApplicationContext.getEnvironment(AbstractApplicationContext.java:288)
org.springframework.context.support.AbstractRefreshableConfigApplicationContext.resolvePath(AbstractRefreshableConfigApplicationContext.java:122)
org.springframework.context.support.AbstractRefreshableConfigApplicationContext.setConfigLocations(AbstractRefreshableConfigApplicationContext.java:80)
org.springframework.context.support.AbstractRefreshableConfigApplicationContext.setConfigLocation(AbstractRefreshableConfigApplicationContext.java:68)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:438)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
javax.servlet.GenericServlet.init(GenericServlet.java:158)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:748)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.43 logs.
Apache Tomcat/8.0.43

之前项目放服务器上运行正常，但是最近公司服务器重建了，放上去登录界面登录后就出现这个错误，进入服务器也没看出啥名堂，请大牛帮忙解答，

Answer 1

是不是jar包冲突了，你看看org.springframework.core.convert.converter.ConverterRegistry这个类在哪些包中存在是否有2个jar包都有