包含commons-beanutils-1.8.3.jar，commons-codec-1.4.jar，commons-collections-3.2.1.jar，commons-httpclient-3.1.jar，commons-io-2.4.jar，commons-lang-2.4.jar，commons-logging-1.1.1.jar，commons-net-3.3.jar，commons-pool-1.6.jar，欢迎下载，共9个jar包

apache-commons所有jar包，常用于Web开发，比如JSP+Servlet的学习，SSM\SSH等

编译tomcat所需文件，ant编译时无法获取文件，通过上传提供下载，方便使用，提供所需的下载功能，帮助学习java和tomcat

Java进行数据库开发时，直接将查询结果ResultSet转为Java对象列表，此为所需的两个jar包，详细的转换代码介绍地址为：http://blog.csdn.net/suifeng3051/article/details/39025053

web项目的持久层使用mybatis的包和配好的项目案例 注意src下的log4j.properties是控制台日志配置文件，可以在控制台打印执行的sql语句和参数值，放于src的根目录下就好使，不喜欢可以删除这个属性文件。

CloudSim云计算仿真平台部署需要的函数库

commons-validator-1.3.1.jarcommons-validator-1.3.1.jarcommons-validator-1.3.1.jar

java.lang.SecurityException: class "org.apache.commons.collections.SequencedHashMap"'s signer information does not match signer information of other classes in the same package at java.lang.ClassLoader.checkCerts(Unknown Source) at java.lang.ClassLoader.preDefineClass(Unknown Source) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1817) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at org.hibernate.mapping.Table.(Table.java:32) at org.hibernate.cfg.Mappings.addTable(Mappings.java:120) at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:251) at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:236) at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:152) at org.hibernate.cfg.Configuration.add(Configuration.java:362) at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:400) at org.hibernate.cfg.Configuration.addResource(Configuration.java:449) at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1263) at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1235) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1217) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1184) at org.hibernate.cfg.Configuration.configure(Configuration.java:1112) at com.chinafi.hibernate.SessionFactory.(SessionFactory.java:30) at com.chinafi.hibernate.BaseDAO.getSession(BaseDAO.java:13) at com.chinafi.node.NodeAccessDAO.save(NodeAccessDAO.java:25) at com.chinafi.node.NodeAccessAction.execute(NodeAccessAction.java:47) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Unknown Source)

commons-logging.jar下载

项目运行时出现org/apache/commons/logging/LogFactory，引入此包即可。 项目运行时出现org/apache/commons/logging/LogFactory，引入此包即可。