java Tomcat - 请求的资源 () 不可用
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时间：2020-10-30 06:37:54 来源:igfitidea点击:
Tomcat - The requested resource () is not available
提问by mbpro
I get this message when I try to start my small test project with Vaadin component on TOmcat server. Funny thing is that It had worked and without any changes at those project or tomcat settings it stopped ??
当我尝试在 TOmcat 服务器上使用 Vaadin 组件启动我的小型测试项目时收到此消息。有趣的是，它已经工作了，并且没有对那些项目或 tomcat 设置进行任何更改就停止了？？
I read every comment on the net that there is, but hasn't helped. Here is Java code:
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);
}
}
And here is web.xml for this application:
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>
Here is also console output that I get in Eclipse when Tomcat is started. I might say that starting Tomcat in console outsice Eclipce works smoothly. OS in Mac OS X:
这也是我在 Eclipse 启动 Tomcat 时在 Eclipse 中获得的控制台输出。我可能会说在控制台外部 Eclipce 中启动 Tomcat 工作顺利。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.
Anybody, any idea?
任何人，有什么想法吗？
回答by user207421
SEVERE: Parse error in default web.xml
java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name invoker
严重：默认 web.xml 中的解析错误
java.lang.IllegalArgumentException: Servlet 映射指定了一个未知的 servlet 名称调用程序
Your problem is there. You should cultivate the habit of readingstack traces, not just posting them somewhere ;-)
你的问题就在那里。您应该养成阅读堆栈跟踪的习惯，而不仅仅是将它们张贴在某处;-)
