严重: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start componen
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今天写一个Servlet的时候tomcat报了一些错误:
严重: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/JavaWebStudy]]Caused by: java.lang.IllegalArgumentException: Invalid <url-pattern> responseImage2 in servlet mapping------------------------------------------------------------------------严重: Exception invoking method manageAppjava.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/JavaWebStudy]]严重: Exception invoking method createStandardContextjavax.management.RuntimeOperationsException: Exception invoking method manageApp
我是写的@WebServlet(name = "ResponseImage2",value = "responseImage2"),注解配置Servlet,不用在web.xml中配置,但是出现了 上面的错误,不知道为什么。然后我删除了注解,并在web.xml中进行配置
<servlet> <servlet-name>ResponseImage2</servlet-name> <servlet-class>ResponseImage2</servlet-class> </servlet> <servlet-mapping> <servlet-name>ResponseImage2</servlet-name> <url-pattern>/responseImage2</url-pattern> </servlet-mapping>
这样就不报错了,可能是因为用注解没有正确映射url吧。
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