Struts Problem Report

Stacktraces

There is no Action mapped for namespace [/ykzyjsxy] and action name [] associated with context path []. - [unknown location]
    com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:195)
    org.apache.struts2.factory.StrutsActionProxy.prepare(StrutsActionProxy.java:57)
    org.apache.struts2.factory.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:32)
    com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:60)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:564)
    org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
    org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
    lwcvc.filter.IllegalCharacterFilter.doFilter(IllegalCharacterFilter.java:303)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:388)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:936)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
    org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
    java.base/java.lang.Thread.run(Thread.java:834)