我正在尝试学习 struts2 中的基本 Web 应用程序。但是，我面临以下问题。请帮我解决这个问题。
SEVERE: Error configuring application listener of class org.apache.struts2.tiles.StrutsTilesListener
java.lang.NoClassDefFoundError: Could not initialize class org.apache.log4j.Log4jLoggerFactory
at org.apache.log4j.LogManager.getLogger(LogManager.java:45)
at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:63)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:242)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:254)
at org.apache.tiles.web.startup.AbstractTilesListener.<init>(AbstractTilesListener.java:44)
at org.apache.tiles.web.startup.TilesListener.<init>(TilesListener.java:38)
at org.apache.struts2.tiles.StrutsTilesListener.<init>(StrutsTilesListener.java:48)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:119)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4638)
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5204)
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5199)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Sep 20, 2015 12:17:28 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)
Sep 20, 2015 12:17:28 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error listenerStart
Sep 20, 2015 12:17:28 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/Login] startup failed due to previous errors
Sep 20, 2015 12:17:28 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
INFO: Parsing configuration file [struts-default.xml]
Sep 20, 2015 12:17:29 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
INFO: Unable to locate configuration files of the name struts-plugin.xml, skipping
Sep 20, 2015 12:17:29 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
INFO: Parsing configuration file [struts-plugin.xml]
Sep 20, 2015 12:17:29 PM com.opensymphony.xwork2.util.DomHelper warn
WARNING: Local DTD is missing for publicID: -//Apache Software Foundation//DTD Struts Configuration 2.5//EN - defined mappings: {-//Apache Struts//XWork 1.0//EN=xwork-1.0.dtd, -//Apache Struts//XWork 1.1.1//EN=xwork-1.1.1.dtd, -//Apache Struts//XWork 2.0//EN=xwork-2.0.dtd, -//Apache Struts//XWork 1.1//EN=xwork-1.1.dtd, -//Apache Struts//XWork 2.1//EN=xwork-2.1.dtd, -//Apache Software Foundation//DTD Struts Configuration 2.0//EN=struts-2.0.dtd, -//Apache Struts//XWork 2.1.3//EN=xwork-2.1.3.dtd, -//Apache Software Foundation//DTD Struts Configuration 2.3//EN=struts-2.3.dtd, -//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN=struts-2.1.7.dtd, -//Apache Software Foundation//DTD Struts Configuration 2.1//EN=struts-2.1.dtd, -//Apache Struts//XWork 2.3//EN=xwork-2.3.dtd}
Sep 20, 2015 12:17:29 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
INFO: Parsing configuration file [struts.xml]
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.ObjectFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ActionFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ResultFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ConverterFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.factory.InterceptorFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ValidatorFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.factory.UnknownHandlerFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.FileManagerFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.XWorkConverter)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.CollectionConverter)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.ArrayConverter)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.DateConverter)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.NumberConverter)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.StringConverter)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionPropertiesProcessor)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionFileProcessor)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionAnnotationProcessor)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.TypeConverterCreator)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.TypeConverterHolder)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.TextProvider)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.LocaleProvider)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.ActionProxyFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ObjectTypeDeterminer)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.dispatcher.mapper.ActionMapper)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (jakarta) for (org.apache.struts2.dispatcher.multipart.MultiPartRequest)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.views.freemarker.FreemarkerManager)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.components.UrlRenderer)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.validator.ActionValidatorManager)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.util.ValueStackFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.util.reflection.ReflectionProvider)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.util.reflection.ReflectionContextFactory)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.util.PatternMatcher)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.util.ContentTypeMatcher)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.dispatcher.StaticContentLoader)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.UnknownHandlerManager)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.views.util.UrlHelper)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.util.TextParser)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (org.apache.struts2.dispatcher.DispatcherErrorHandler)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.security.ExcludedPatternsChecker)
Sep 20, 2015 12:17:29 PM org.apache.struts2.config.AbstractBeanSelectionProvider info
INFO: Choosing bean (struts) for (com.opensymphony.xwork2.security.AcceptedPatternsChecker)
Sep 20, 2015 12:17:31 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts-default.xml]
Sep 20, 2015 12:17:31 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts-plugin.xml]
Sep 20, 2015 12:17:31 PM com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts.xml]
Sep 20, 2015 12:17:31 PM org.apache.struts2.config.Settings getLocale
WARNING: Settings: Could not parse struts.locale setting, substituting default VM locale
Sep 20, 2015 12:17:31 PM com.opensymphony.xwork2.util.ObjectTypeDeterminerFactory <clinit>
INFO: Setting DefaultObjectTypeDeterminer as default ...
Sep 20, 2015 12:17:31 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Sep 20, 2015 12:17:31 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Sep 20, 2015 12:17:31 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 8899 ms
Sep 20, 2015 12:17:35 PM org.apache.catalina.core.StandardServer await
INFO: A valid shutdown command was received via the shutdown port. Stopping the Server instance.
Sep 20, 2015 12:17:35 PM org.apache.coyote.AbstractProtocolHandler pause
INFO: Pausing ProtocolHandler ["http-bio-8080"]
Sep 20, 2015 12:17:36 PM org.apache.coyote.AbstractProtocolHandler pause
INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
Sep 20, 2015 12:17:37 PM org.apache.catalina.core.StandardService stopInternal
INFO: Stopping service Catalina
Sep 20, 2015 12:17:37 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
SEVERE: The web application [/UITagsExample] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@1c11080]) and a value of type [com.opensymphony.xwork2.inject.InternalContext[]] (value [[Lcom.opensymphony.xwork2.inject.InternalContext;@226e75]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
Sep 20, 2015 12:17:37 PM org.apache.catalina.util.LifecycleBase stop
INFO: The stop() method was called on component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/Login]] after stop() had already been called. The second call will be ignored.
Sep 20, 2015 12:17:37 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
SEVERE: The web application [/SimpleLogin_FirstPro_2] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@136df08]) and a value of type [com.opensymphony.xwork2.inject.InternalContext[]] (value [[Lcom.opensymphony.xwork2.inject.InternalContext;@16cbe3c]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
Sep 20, 2015 12:17:37 PM org.apache.coyote.AbstractProtocolHandler stop
INFO: Stopping ProtocolHandler ["http-bio-8080"]
Sep 20, 2015 12:17:37 PM org.apache.coyote.AbstractProtocolHandler stop
INFO: Stopping ProtocolHandler ["ajp-bio-8009"]
这是我的 WEb.XML 文件
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
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_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.apache.struts2.tiles.StrutsTilesListener</listener-class>
</listener>
</web-app>
STRUTS.XML
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN" "http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
<package name="abc" extends="struts-default">
<action name="login">
<result >login.jsp</result>
</action>
<action name="loginprocess" class="com.javatpoint.Login">
<result name="success" >loginsuccess.jsp</result>
<result name="error" >loginerror.jsp</result>
</action>
<action name="logout" class="com.javatpoint.Login" method="logout">
<result name="success" >logoutsuccess.jsp</result>
</action>
<action name="profile" class="com.javatpoint.Profile">
<result name="success" >profilesuccess.jsp</result>
<result name="error" >profileerror.jsp</result>
</action>
</package>
</struts>
我正在尝试解决但是，我无法这样做。请帮忙。
最佳答案
您错过了类路径中的 log4j.jar。下载 jar 并添加它。
关于java - 严重 : Error configuring application listener of class org. apache.struts2.tiles.StrutsTilesListener java.lang.NoClassDefFoundError:，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/32676690/