spring - Tomcat giving java.lang.ClassNotFoundException: org.springframework.web.SpringServletContainerInitializer? -

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i getting following exception when trying start tomcat through eclipse (via right click on project, run -> run on server after mvn clean , mvn install.

severe: servletcontentinitializer  [org.springframework.web.springservletcontainerinitializer] not  created java.lang.classnotfoundexception:  org.springframework.web.springservletcontainerinitializer @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1688) @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1533) @ java.lang.class.forname0(native method) @ java.lang.class.forname(class.java:270) @ org.apache.catalina.startup.contextconfig.getservletcontainerinitializer(contextconfig.java:1533) @ org.apache.catalina.startup.contextconfig.processservletcontainerinitializers(contextconfig.java:1456) @ org.apache.catalina.startup.contextconfig.webconfig(contextconfig.java:1193) @ org.apache.catalina.startup.contextconfig.configurestart(contextconfig.java:828) @ org.apache.catalina.startup.contextconfig.lifecycleevent(contextconfig.java:302) @ org.apache.catalina.util.lifecyclesupport.firelifecycleevent(lifecyclesupport.java:119) @ org.apache.catalina.util.lifecyclebase.firelifecycleevent(lifecyclebase.java:90) @ org.apache.catalina.core.standardcontext.startinternal(standardcontext.java:5148) @ org.apache.catalina.util.lifecyclebase.start(lifecyclebase.java:150) @ org.apache.catalina.core.containerbase$startchild.call(containerbase.java:1525) @ org.apache.catalina.core.containerbase$startchild.call(containerbase.java:1515) @ java.util.concurrent.futuretask.run(futuretask.java:262) @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1145) @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:615) @ java.lang.thread.run(thread.java:745)

i building project using maven , added necessary dependencies spring libraries spring-context 4.3.5 release , 4.3.5 spring-web ,so reason , solution ?





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