以下是一个可用的web.xml文件:
当我移除了
然后Tomcat 7.0.14会给我以下错误提示:
<?xml version="1.0" encoding="UTF-8"?>
<web-app
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<filter>
<filter-name>rememberMeCookieFilter</filter-name>
<filter-class>be.example.fun.jsp.filters.RememberMeCookieFilter</filter-class>
</filter>
<filter>
<filter-name>mustBeSignedInFilter</filter-name>
<filter-class>be.example.fun.jsp.filters.MustBeSignedInFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>rememberMeCookieFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>mustBeSignedInFilter</filter-name>
<url-pattern>/private/*</url-pattern>
</filter-mapping>
</web-app>
当我移除了
<filter>
元素并使用以下注释时:@WebFilter(filterName="rememberMeCookieFilter")
public class RememberMeCookieFilter implements Filter
@WebFilter(filterName="mustBeSignedInFilter")
public class MustBeSignedInFilter implements Filter
然后Tomcat 7.0.14会给我以下错误提示:
java.lang.IllegalArgumentException: Filter mapping must specify either a <url-pattern> or a <servlet-name>
at org.apache.catalina.core.StandardContext.validateFilterMap(StandardContext.java:2956)
at org.apache.catalina.core.StandardContext.addFilterMap(StandardContext.java:2915)
at org.apache.catalina.deploy.WebXml.configureContext(WebXml.java:1180)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1270)
...
我按照这个问题的答案做了,但对我没有用。
这是我的Web应用程序的依赖关系:
<dependencies>
<!-- SLF4J (+ LOGBack) for logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy</artifactId>
<version>1.8.3</version>
</dependency>
<!-- The servlet API that I installed in my local repo -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0</version>
<type>jar</type>
<scope>provided</scope>
<!--optional>false</optional-->
</dependency>
<!-- JUnit for testing -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.2</version>
<scope>test</scope>
</dependency>
</dependencies>
编辑:只有在使用Tomcat(7.0.14)时我才会遇到这个问题。Glassfish没有问题。