1、错误描述

usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ]  { -help | start | stop }
2014-7-10 23:23:53 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.29 using APR version 1.4.8.
2014-7-10 23:23:53 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
2014-7-10 23:23:53 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized (OpenSSL 1.0.1e 11 Feb 2013)
2014-7-10 23:23:54 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-apr-8686"]
2014-7-10 23:23:54 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-apr-8009"]
2014-7-10 23:23:54 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1293 ms
2014-7-10 23:23:54 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
2014-7-10 23:23:54 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.53
2014-7-10 23:23:55 org.apache.tomcat.websocket.server.WsSci onStartup
信息: JSR 356 WebSocket (Java WebSocket 1.0) support is not available when running on Java 6. To suppress this message, run Tomcat on Java 7, remove the WebSocket JARs from $CATALINA_HOME/lib or add the WebSocketJARs to the tomcat.util.scan.DefaultJarScanner.jarsToSkip property in $CATALINA_BASE/conf/catalina.properties. Note that the deprecated Tomcat 7 WebSocket API will be available.
2014-7-10 23:23:56 org.apache.catalina.startup.HostConfig deployWAR
信息: Deploying web application archive D:\MyEclipse\apache-tomcat-7.0.53\webapps\blazeds.war
2014-7-10 23:23:57 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\docs
2014-7-10 23:23:57 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\examples
2014-7-10 23:23:58 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2014-7-10 23:23:58 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2014-7-10 23:23:58 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@177060f')
2014-7-10 23:23:58 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\FirstSSH
2014-7-10 23:24:00 com.sun.faces.config.ConfigureListener contextInitialized
信息: 初始化上下文 '/FirstSSH' 的 Mojarra 2.0.3 (FCS b03)
2014-7-10 23:24:00 com.sun.faces.spi.InjectionProviderFactory createInstance
信息: JSF1048：有 PostConstruct/PreDestroy 注释。标有这些注释的 ManagedBeans 方法将表示注释已处理。
2014-7-10 23:24:01 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Parsing configuration file [struts-default.xml]
2014-7-10 23:24:01 com.opensymphony.xwork2.util.logging.jdk.JdkLogger error
严重: Dispatcher initialization failed
Unable to load configuration. - bean - jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar!/struts-default.xml:64:179
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
	at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:445)
	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:489)
	at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
	at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4809)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5485)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1229)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1875)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: Unable to load bean: type:org.apache.struts2.dispatcher.multipart.MultiPartRequest class:org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest - bean - jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar!/struts-default.xml:64:179
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:245)
	at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
	at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:234)
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
	... 21 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/RequestContext
	at java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
	at java.lang.Class.getDeclaredConstructors(Class.java:1836)
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:235)
	... 24 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.RequestContext
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 28 more
2014-7-10 23:24:01 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
Unable to load configuration. - bean - jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar!/struts-default.xml:64:179
	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:501)
	at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
	at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4809)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5485)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1229)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1875)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: Unable to load configuration. - bean - jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar!/struts-default.xml:64:179
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
	at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:445)
	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:489)
	... 19 more
Caused by: Unable to load bean: type:org.apache.struts2.dispatcher.multipart.MultiPartRequest class:org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest - bean - jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar!/struts-default.xml:64:179
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:245)
	at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
	at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:234)
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
	... 21 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/RequestContext
	at java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
	at java.lang.Class.getDeclaredConstructors(Class.java:1836)
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:235)
	... 24 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.RequestContext
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 28 more
2014-7-10 23:24:01 org.apache.catalina.core.StandardContext startInternal
严重: Error filterStart
2014-7-10 23:24:01 org.apache.catalina.core.StandardContext startInternal
严重: Context [/FirstSSH] startup failed due to previous errors
2014-7-10 23:24:01 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
严重: The web application [/FirstSSH] created a ThreadLocal with key of type [com.sun.faces.util.Util$1] (value [com.sun.faces.util.Util$1@baf4ae]) and a value of type [java.util.HashMap] (value [{com.sun.faces.patternCache={ = }}]) 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.
2014-7-10 23:24:01 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\host-manager
2014-7-10 23:24:01 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\manager
2014-7-10 23:24:01 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\ROOT
2014-7-10 23:24:01 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\StudentSystem
2014-7-10 23:24:03 com.sun.faces.config.ConfigureListener contextInitialized
信息: 初始化上下文 '/StudentSystem' 的 Mojarra 2.0.3 (FCS b03)
2014-7-10 23:24:04 com.sun.faces.spi.InjectionProviderFactory createInstance
信息: JSF1048：有 PostConstruct/PreDestroy 注释。标有这些注释的 ManagedBeans 方法将表示注释已处理。
2014-7-10 23:24:04 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Parsing configuration file [struts-default.xml]
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Unable to locate configuration files of the name struts-plugin.xml, skipping
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Parsing configuration file [struts-plugin.xml]
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Unable to locate configuration files of the name struts.xml, skipping
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Parsing configuration file [struts.xml]
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.ObjectFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ActionFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ResultFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ConverterFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.factory.InterceptorFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.factory.ValidatorFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.FileManagerFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.XWorkConverter)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.CollectionConverter)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.ArrayConverter)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.DateConverter)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.NumberConverter)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.StringConverter)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionPropertiesProcessor)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionFileProcessor)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionAnnotationProcessor)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.TypeConverterCreator)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.TypeConverterHolder)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.TextProvider)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.LocaleProvider)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.ActionProxyFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ObjectTypeDeterminer)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (org.apache.struts2.dispatcher.mapper.ActionMapper)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (jakarta) for (org.apache.struts2.dispatcher.multipart.MultiPartRequest)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (org.apache.struts2.views.freemarker.FreemarkerManager)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (org.apache.struts2.components.UrlRenderer)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.validator.ActionValidatorManager)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.util.ValueStackFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.util.reflection.ReflectionProvider)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.util.reflection.ReflectionContextFactory)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.util.PatternMatcher)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (org.apache.struts2.dispatcher.StaticContentLoader)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.UnknownHandlerManager)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (org.apache.struts2.views.util.UrlHelper)
2014-7-10 23:24:05 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Choosing bean (struts) for (com.opensymphony.xwork2.util.TextParser)
2014-7-10 23:24:05 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-apr-8686"]
2014-7-10 23:24:05 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-apr-8009"]
2014-7-10 23:24:05 org.apache.catalina.startup.Catalina start
信息: Server startup in 11171 ms

2、错误原因

      这个错误是常见的，通过这句可以判断，“Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.RequestContext”，这是缺少commons-fileupload-1.3.1.jar包



3、解决办法

     将“commons-fileupload-1.3.1.jar”包复制粘贴到lib目录下，然后重启服务

Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.RequestContext的更多相关文章

  1. Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.FileUtils

    1.错误叙述性说明 警告: Could not create JarEntryRevision for [jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/web ...

  2. Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtils

    1.错误叙述性说明 2014-7-10 23:12:23 org.apache.catalina.core.StandardContext filterStart 严重: Exception star ...

  3. Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory

    1.错误叙述性说明 2014-7-12 0:38:57 org.apache.catalina.core.ApplicationContext log 信息: No Spring WebApplica ...

  4. 【java web】Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory

    javaweb报错如下:22:49:22.155 [http-nio-8081-exec-9] ERROR org.apache.struts2.dispatcher.DefaultDispatche ...

  5. 上传文件代码报错，java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileItemFactory

    2018-09-11 11:11:08.235 ERROR 14352 --- [nio-8080-exec-5] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : ...

  6. java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileItemFactory

    运行servler报错 java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory 或 java.lan ...

  7. java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileItemFactory报错springmvc

    转自:https://blog.csdn.net/qq_41879385/article/details/82892555 下面是错误信息:java.lang.ClassNotFoundExcepti ...

  8. CloudSim4.0报错NoClassDefFoundError，Caused by: java.lang.ClassNotFoundException: org.apache.commons.math3.distribution.UniformRealDistribution

    今天下载了CloudSim 4.0的代码,运行其中自带的示例程序,结果有一部分运行错误: 原因是找不到org.apache.commons.math3.distribution.UniformReal ...

  9. Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool.impl.GenericObjectPool

    原因:缺少commons-pool-X.jar包,到http://commons.apache.org/proper/commons-pool/download_pool.cgi下载后引入即可(地址可 ...

随机推荐

  1. JavaScript基本语法 -- 条件语句 & 循环语句

    条件语句 条件语句(Conditional statement)是JavaScript里面的基本结构之一,程序根据表达式的真假决定执行或者跳过某个分支,于是,条件语句有时候也可以称为"分支语 ...

  2. 2048小游戏代码解析 C语言版

    2048小游戏,也算是风靡一时的益智游戏.其背后实现的逻辑比较简单,代码量不算多,而且趣味性强,适合作为有语言基础的童鞋来加强编程训练.本篇分析2048小游戏的C语言实现代码. 前言 游戏截图:  游 ...

  3. Django搭建博客网站(一)

    Django搭建自己的博客网站(一) 简介 这个系列主要是通过使用Django这个python web框架实现一个简单的个人博客网站.对Django有疑问可以上Django官网查文档. 功能 后台管理 ...

  4. Python数据结构之三——dict（字典）

    Python版本:3.6.2  操作系统:Windows  作者:SmallWZQ 知识源于生活.Python也是如此. 提到字典,我首先想到的是数学大师--高斯. 为何想起他呢?这主要是因为高斯算法 ...

  5. php.ini 中文详解

    [PHP]  ; PHP还是一个不断发展的工具,其功能还在不断地删减  ; 而php.ini的设置更改可以反映出相当的变化,  ; 在使用新的PHP版本前,研究一下php.ini会有好处的   ;;; ...

  6. The SSL certificate used to load resources from xxx will be distrusted in M70.

    今天在浏览网站的时候遇到如下报警信息: The SSL certificate used to load resources from https://xxx.com will be distrust ...

  7. LeetCode - 728. Self Dividing Numbers

    A self-dividing number is a number that is divisible by every digit it contains. For example, 128 is ...

  8. 使用performance进行网页性能监控

    由于项目需要, 需要对网页的一些性能进行监控, 接触到了performance, window.performance 提供了一组精确的数据,经过简单的计算就能得出一些网页性能数据, 将这些数据存储为 ...

  9. 洛谷P2756飞行员配对方案问题 P2055假期的宿舍【二分图匹配】题解+代码

    洛谷 P2756飞行员配对方案问题 P2055假期的宿舍[二分图匹配] 飞行员配对方案问题 题目背景 第二次世界大战时期.. 题目描述 英国皇家空军从沦陷国征募了大量外籍飞行员.由皇家空军派出的每一架 ...

  10. jquery toggle 方法被废除的替代方法

    今天使用 toggle 方法的时候,该方法一直不能生效. 原来jquery 的引入文件是1.9,该方法在1.8以上已被废除. 那么简单的切换状态,我们可使用if 语句进行代替 如下: 记录一开始设置隐 ...