eclipse - IllegalArgumentException : The servlets named [Test] and [com. srk.pkg.MyServlet] 都映射到不允许的 url-pattern [/MyServlet]-6ren

eclipse - IllegalArgumentException : The servlets named [Test] and [com. srk.pkg.MyServlet] 都映射到不允许的 url-pattern [/MyServlet]

转载作者：行者123 更新时间：2023-11-28 23:59:53

26

4

<分区>

在本地主机上启动 Tomcat v8.0 服务器时遇到问题。

当 Web 应用程序的项目 web.xml 包含 servlet 信息时，apache 无法启动:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
id="WebApp_ID" version="3.1">
<display-name>WebApp-01</display-name>
<welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
</welcome-file-list>

<servlet>
    <servlet-name>Test</servlet-name>
    <servlet-class>com.srk.pkg.MyServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>Test</servlet-name>
    <url-pattern>/MyServlet</url-pattern>
</servlet-mapping>

</web-app>

enter image description here

当从 web.xml 中删除 servlet 信息时，一切正常，应用程序已部署，浏览器打开...

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
id="WebApp_ID" version="3.1">
<display-name>WebApp-01</display-name>
<welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>

服务器日志:

Caused by: java.lang.IllegalArgumentException: The servlets named [Test] and [com.srk.pkg.MyServlet] are both mapped to the url-pattern [/MyServlet] which is not permitted
    at org.apache.tomcat.util.descriptor.web.WebXml.addServletMapping(WebXml.java:308)
    at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2325)
    at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2007)
    at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1901)
    at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1896)
    at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1896)
    at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1896)
    at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1139)
    at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:771)
    at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:305)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5095)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 6 more

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eclipse - IllegalArgumentException : The servlets named [Test] and [com. srk.pkg.MyServlet] 都映射到不允许的 url-pattern [/MyServlet]