javax.naming.NamingException: Naming 컨텍스트가 이 클래스로더에 바인딩되지 않았습니다.

JSP 서블릿 공부 중 URL 패턴을 받아주는 클래스를 생성하다가 발생한 에러

에러코드

javax.naming.NamingException: Naming 컨텍스트가 이 클래스로더에 바인딩되지 않았습니다.
	at org.apache.naming.ContextBindings.getClassLoader(ContextBindings.java:269)
	at org.apache.catalina.deploy.NamingResourcesImpl.cleanUp(NamingResourcesImpl.java:1010)
	at org.apache.catalina.deploy.NamingResourcesImpl.stopInternal(NamingResourcesImpl.java:993)
	at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
	at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5187)
	at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
	at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:293)
	at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:778)
	at org.apache.catalina.core.ContainerBase.destroyInternal(ContainerBase.java:982)
	at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:321)
	at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:778)
	at org.apache.catalina.core.ContainerBase.destroyInternal(ContainerBase.java:982)
	at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:321)
	at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:572)
	at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:321)
	at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:1039)
	at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:321)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:776)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:347)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:478)

에러가 발생한 이유는

URL 패턴을 받아 웹을 열어주는 클래스에서 URL 패턴이 다른 클래스와 중복되어 발생한 오류였다.

naming 에러사항의 여러 원인 중 하나