按照书的教程,就弄一个登录的小案例,控制台出错信息:2010-9-9 22:47:46 org.apache.catalina.core.AprLifecycleListener init
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\Program Files\Java\jdk1.6.0_06\bin;D:\Program Files\Tomcat 6.0\bin
2010-9-9 22:47:46 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2010-9-9 22:47:46 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 612 ms
2010-9-9 22:47:47 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2010-9-9 22:47:47 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.14
2010-9-9 22:47:47 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2010-9-9 22:47:47 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2010-9-9 22:47:48 com.sun.faces.config.ConfigureListener$WebXmlProcessor scanForFacesServlet
警告: Unable to process deployment descriptor for context 'null'
2010-9-9 22:47:48 com.sun.faces.config.ConfigureListener contextInitialized
信息: Initializing Sun's JavaServer Faces implementation (1.2_04-b07-FCS) for context '/BookMarket'
2010-9-9 22:47:49 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.Filterdispatcher
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:249)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3696)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4343)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
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:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2010-9-9 22:47:49 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2010-9-9 22:47:49 org.apache.catalina.core.StandardContext start
严重: Context [/myWebPro] startup failed due to previous errors
2010-9-9 22:47:49 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2010-9-9 22:47:49 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2010-9-9 22:47:49 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/40 config=null
2010-9-9 22:47:49 org.apache.catalina.startup.Catalina start
信息: Server startup in 2667 ms
<?xml version="1.0" encoding="UTF-8"?>
<web-app 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">
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.Filterdispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd"><struts>
<package name="struts" extends="struts-default">
<action name="login">
<result name="error">/error.jsp</result>
<result name="success">/welcome.jsp
</result>
</action>
</package>
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport {
private String username;
private String password;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String execute() throws Exception{
if(getUsername().equals("scott")&&getPassword().equals("tiger")){
return "success";
}else{
return "error";
}
}
}
主要就这些代码,谢谢了
</struts>
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\Program Files\Java\jdk1.6.0_06\bin;D:\Program Files\Tomcat 6.0\bin
2010-9-9 22:47:46 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2010-9-9 22:47:46 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 612 ms
2010-9-9 22:47:47 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2010-9-9 22:47:47 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.14
2010-9-9 22:47:47 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2010-9-9 22:47:47 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2010-9-9 22:47:48 com.sun.faces.config.ConfigureListener$WebXmlProcessor scanForFacesServlet
警告: Unable to process deployment descriptor for context 'null'
2010-9-9 22:47:48 com.sun.faces.config.ConfigureListener contextInitialized
信息: Initializing Sun's JavaServer Faces implementation (1.2_04-b07-FCS) for context '/BookMarket'
2010-9-9 22:47:49 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.Filterdispatcher
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:249)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3696)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4343)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
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:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2010-9-9 22:47:49 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2010-9-9 22:47:49 org.apache.catalina.core.StandardContext start
严重: Context [/myWebPro] startup failed due to previous errors
2010-9-9 22:47:49 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2010-9-9 22:47:49 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2010-9-9 22:47:49 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/40 config=null
2010-9-9 22:47:49 org.apache.catalina.startup.Catalina start
信息: Server startup in 2667 ms
<?xml version="1.0" encoding="UTF-8"?>
<web-app 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">
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.Filterdispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd"><struts>
<package name="struts" extends="struts-default">
<action name="login">
<result name="error">/error.jsp</result>
<result name="success">/welcome.jsp
</result>
</action>
</package>
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport {
private String username;
private String password;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String execute() throws Exception{
if(getUsername().equals("scott")&&getPassword().equals("tiger")){
return "success";
}else{
return "error";
}
}
}
主要就这些代码,谢谢了
</struts>
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在你的这些代码中,建议在web.xml 文件中配置新版本的filter:
<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>
第二:建议你的package种添加上namespace:
<package name="struts" namespace="/" extends="struts-default">然后再试试
D 大写
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>struts2很明显有个ng啊。下一代!
都对都对- -! 首先2.12版本前应该都是用的是FilterDispatcher过滤器。这个楼主肯定是将名字写错了。
从2.16版本后,我们通常使用StrutsPrepareAndExecuteFilter过滤器了!