HTTP Status 404 – Not Found

换成了tomcat7后，也还是这个错误哦

提示这个错误。

十一月 05, 2018 11:44:02 下午 org.apache.catalina.core.StandardContext listenerStart

严重: Exception sending context initialized event to listener instance of class [org.springframework.web.context.ContextLoaderListener]

java.lang.NoSuchMethodError: org.springframework.core.CollectionFactory.createConcurrentMapIfPossible(I)Ljava/util/Map;

at org.springframework.web.context.ContextLoader.<clinit>(ContextLoader.java:153)

at org.springframework.web.context.ContextLoaderListener.createContextLoader(ContextLoaderListener.java:53)

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:44)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4792)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5256)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1421)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1411)

at java.util.concurrent.FutureTask.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

十一月 05, 2018 11:44:02 下午 org.apache.catalina.core.StandardContext startInternal

严重: One or more listeners failed to start. Full details will be found in the appropriate container log file

十一月 05, 2018 11:44:02 下午 org.apache.catalina.core.StandardContext startInternal

严重: Context [/Shop] startup failed due to previous errors

十一月 05, 2018 11:44:02 下午 org.apache.coyote.AbstractProtocol start

信息: Starting ProtocolHandler ["http-nio-8088"]

十一月 05, 2018 11:44:02 下午 org.apache.coyote.AbstractProtocol start

信息: Starting ProtocolHandler ["ajp-nio-8009"]

十一月 05, 2018 11:44:02 下午 org.apache.catalina.startup.Catalina start

信息: Server startup in 8252 ms

这个程序不能在JDK 1.8下运行，需要使用JDK 1.7。因为里面用的Spring库不支持JDK 1.8。