Tomcat-请求的资源（）不可用
[英]Tomcat - The requested resource () is not available
问题描述
当我尝试使用TOmcat服务器上的Vaadin组件启动我的小型测试项目时，收到此消息。 有趣的是，它已经起作用，并且在那些项目或tomcat设置中没有任何更改，它停止了？
我阅读了网上的所有评论，但没有帮助。 这是Java代码：
package com.example.test1_vaadin;
import com.vaadin.Application;
import com.vaadin.ui.*;
public class Test1_vaadinApplication extends Application {
@Override
public void init() {
Window mainWindow = new Window("Test1_vaadin Application");
Label label = new Label("Hello Vaadin user");
mainWindow.addComponent(label);
setMainWindow(mainWindow);
}
}
这是此应用程序的web.xml：
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>Test1_Vaadin</display-name>
<context-param>
<description>
Vaadin production mode</description>
<param-name>productionMode</param-name>
<param-value>false</param-value>
</context-param>
<servlet>
<servlet-name>Test1_vaadin Application</servlet-name>
<servlet-class>com.vaadin.terminal.gwt.server.ApplicationServlet</servlet-class>
<init-param>
<description>
Vaadin application class to start</description>
<param-name>application</param-name>
<param-value>com.example.test1_vaadin.Test1_vaadinApplication</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>Test1_vaadin Application</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
<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>
这也是启动Tomcat时在Eclipse中获得的控制台输出。 我可能会说在控制台Eclipce中启动Tomcat的工作很顺利。 Mac OS X中的操作系统：
21.12.2010 14:49:57 org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: .:/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java
21.12.2010 14:49:57 org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:Test1_Vaadin' did not find a matching property.
21.12.2010 14:49:57 org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Test2_Vaadin' did not find a matching property.
21.12.2010 14:49:57 org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:simpleaddressbook' did not find a matching property.
21.12.2010 14:49:57 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-1971
21.12.2010 14:49:57 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 640 ms
21.12.2010 14:49:57 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
21.12.2010 14:49:57 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.29
21.12.2010 14:49:57 org.apache.tomcat.util.digester.Digester endElement
SEVERE: End event threw exception
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tomcat.util.IntrospectionUtils.callMethodN(IntrospectionUtils.java:959)
at org.apache.catalina.startup.CallMethodMultiRule.end(WebRuleSet.java:789)
at org.apache.tomcat.util.digester.Rule.end(Rule.java:229)
at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1138)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1642)
at org.apache.catalina.startup.ContextConfig.processDefaultWebConfig(ContextConfig.java:687)
at org.apache.catalina.startup.ContextConfig.defaultWebConfig(ContextConfig.java:624)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1075)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4540)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name invoker
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:2671)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:2651)
... 38 more
21.12.2010 14:49:57 org.apache.catalina.startup.ContextConfig processDefaultWebConfig
SEVERE: Parse error in default web.xml
java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name invoker
at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2806)
at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2832)
at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1141)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1642)
at org.apache.catalina.startup.ContextConfig.processDefaultWebConfig(ContextConfig.java:687)
at org.apache.catalina.startup.ContextConfig.defaultWebConfig(ContextConfig.java:624)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1075)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4540)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name invoker
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:2671)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:2651)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tomcat.util.IntrospectionUtils.callMethodN(IntrospectionUtils.java:959)
at org.apache.catalina.startup.CallMethodMultiRule.end(WebRuleSet.java:789)
at org.apache.tomcat.util.digester.Rule.end(Rule.java:229)
at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1138)
... 30 more
21.12.2010 14:49:57 org.apache.catalina.startup.ContextConfig processDefaultWebConfig
SEVERE: Occurred at line 386 column 23
21.12.2010 14:49:57 org.apache.catalina.startup.ContextConfig start
SEVERE: Marking this application unavailable due to previous error(s)
21.12.2010 14:49:57 org.apache.catalina.core.StandardContext start
SEVERE: Error getConfigured
21.12.2010 14:49:57 org.apache.catalina.core.StandardContext start
SEVERE: Context [] startup failed due to previous errors
21.12.2010 14:49:57 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Poller SunPKCS11-Darwin] but has failed to stop it. This is very likely to create a memory leak.
有人知道吗
1 个解决方案
解决方案1
3 已采纳 2010-12-21 23:06:50
严重：解析默认web.xml中的错误
java.lang.IllegalArgumentException：Servlet映射指定未知的Servlet名称调用程序
你的问题在那里。 您应该养成读取堆栈跟踪的习惯，而不仅仅是将它们发布到某处；-)
Tomcat：请求的资源不可用
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