这几天在学习java web中的SSh架构,开始搭建时候遇到很多问题,经过几天的探索,记录一下SSH 的搭建

一.使用Idea创建新项目

1.选择SPRing相关

2.struts2相关 

3.hibernate相关 

4.选择完成后next->finish

二.在项目web/WEB-iNF目录下创建lib 和classe文件夹将相关的jar包导入项目
三.依赖jar包

报错1.运行项目报错,错误如下

21-Aug-2018 14:26:38.160 警告 [RMI TCP Connection(3)-127.0.0.1] org.apache.tomcat.util.descriptor.web.WebXMl.setVersion Unknown version string [4.0]. Default version will be used. 21-Aug-2018 14:26:40.003 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.jasPEr.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug LOGging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 21-Aug-2018 14:26:40.023 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal One or more filters failed to start. Full details will be found in the appropriate container log file 21-Aug-2018 14:26:40.023 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal Context [] startup failed due to previous errors

查看log日志 

Log中显示错误如下

java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.FilterDispatcher     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1291)     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)     at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:512)     at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:493)     at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:119)     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:264)     at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4591)     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5233)     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)     at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1739)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)     at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:482)     at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:431)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)     at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)     at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)     at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)     at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)     at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:324)     at sun.rmi.transport.Transport$1.run(Transport.java:200)     at sun.rmi.transport.Transport$1.run(Transport.java:197)     at java.security.AccessController.doPrivileged(Native Method)     at sun.rmi.transport.Transport.serviceCall(Transport.java:196)     at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)     at java.security.AccessController.doPrivileged(Native Method)     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)     at java.lang.Thread.run(Thread.java:745)

这个错误是因为web.xML中的structs2 配置错误  

修改配置为:

<@H_580_777@filter>         <filter-name>struts2</filter-name>         <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>     </filter>     <filter-mapping>         <filter-name>struts2</filter-name>         <url-pattern>/*</url-pattern>     </filter-mapping>

运行项目 报错2:

 Unable to load configuration. - validator - file:///D:/Creator/java/tomcat8.5.23/bin/com/opensymphony/xwork2/validator/validators/default.xml:28:109     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:69)     at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:957)     at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:463)     at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:496)     at org.apache.struts2.dispatcher.InitOperations.initDispatcher(InitOperations.java:73)     at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:61)     at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:285)     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:266)     at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4591)     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5233)     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)     at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1739)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)     at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:482)     at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:431)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)     at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)     at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)     at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)     at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)     at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:324)     at sun.rmi.transport.Transport$1.run(Transport.java:200)     at sun.rmi.transport.Transport$1.run(Transport.java:197)     at java.security.AccessController.doPrivileged(Native Method)     at sun.rmi.transport.Transport.serviceCall(Transport.java:196)     at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)     at java.security.AccessController.doPrivileged(Native Method)     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)     at java.lang.Thread.run(Thread.java:745) Caused by: Unable to load validator class com.opensymphony.xwork2.validator.validators.RequireDFieldValidator - validator - file:///D:/Creator/java/tomcat8.5.23/bin/com/opensymphony/xwork2/validator/validators/default.xml:28:109     at com.opensymphony.xwork2.validator.DefaultValidatorFileParser.parseValidatorDefinitions(DefaultValidatorFileParser.java:136)     at com.opensymphony.xwork2.validator.DefaultValidatorFactory.retrieveValidatorConfiguration(DefaultValidatorFactory.java:194)     at com.opensymphony.xwork2.validator.DefaultValidatorFactory.parseValidators(DefaultValidatorFactory.java:179)     at com.opensymphony.xwork2.validator.DefaultValidatorFactory.init(DefaultValidatorFactory.java:62)     at com.opensymphony.xwork2.inject.ContainerBuilder$8.call(ContainerBuilder.java:594)     at com.opensymphony.xwork2.inject.ContainerBuilder$8.call(ContainerBuilder.java:590)     at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:560)     at com.opensymphony.xwork2.inject.ContainerBuilder.create(ContainerBuilder.java:590)     at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:182)     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66)     ... 53 more Caused by: java.lang.NullPointerException     at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:165)     at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:177)     at com.opensymphony.xwork2.factory.DefaultValidatorFactory.buildValidator(DefaultValidatorFactory.java:47)     at com.opensymphony.xwork2.ObjectFactory.buildValidator(ObjectFactory.java:239)     at com.opensymphony.xwork2.validator.DefaultValidatorFileParser.parseValidatorDefinitions(DefaultValidatorFileParser.java:133)     ... 62 more

这里是需要添加一个xwork-coreXXX.jar的包然后在web.xml中配置 <listener>,配置如下

<listener>         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>     </listener>     <context-param>         <param-name>contextConfigLocation</param-name>         <param-value>classpath:spring-config.xml</param-value>     </context-param>

启动项目,启动成功,完成ssh的基本配置