初学struts2 在登录页面填写完成后 出现 Exception occurred during processing request: null

[爱学习的潘怕毛]

没有到Action类中处理，因为我在Action类中加了输出信息也没有，直接就Exception occurred during processing request: null，求大神
一月 24, 2015 4:58:17 下午 com.opensymphony.xwork2.util.logging.jdk.JdkLogger error
严重: Exception occurred during processing request: null
java.lang.NullPointerException
at org.apache.struts2.impl.StrutsActionProxy.getErrorMessage(StrutsActionProxy.java:69)
at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:185)
at org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
at org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37)
at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:554)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:434)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:277)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2407)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2396)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)

[Falleyes]

struts.xml文件配置对了吗？

[爱学习的潘怕毛]

引用 1 楼 Falleyes 的回复:

struts.xml文件配置对了吗？

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd">
 <struts>
 	<include file="struts-default.xml"/>
 	<package name="struts2_login" extends="struts-default" >
 		<action name="checkLogin" class="act.LoginAction" method="checkLogin">
 			<result name="success">/index.jsp</result>
 			<result name="login">/login.jsp</result>
 		</action>
 	</package>
 </struts>

感觉没什么错

[Falleyes]

引用 2 楼 u011577666 的回复:

[quote=引用 1 楼 Falleyes 的回复:] struts.xml文件配置对了吗？

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd">
 <struts>
 	<include file="struts-default.xml"/>
 	<package name="struts2_login" extends="struts-default" >
 		<action name="checkLogin" class="act.LoginAction" method="checkLogin">
 			<result name="success">/index.jsp</result>
 			<result name="login">/login.jsp</result>
 		</action>
 	</package>
 </struts>

感觉没什么错[/quote]建议你把相关代码都贴上来

[爱学习的潘怕毛]

引用 3 楼 Falleyes 的回复:

[quote=引用 2 楼 u011577666 的回复:] [quote=引用 1 楼 Falleyes 的回复:] struts.xml文件配置对了吗？

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd">
 <struts>
 	<include file="struts-default.xml"/>
 	<package name="struts2_login" extends="struts-default" >
 		<action name="checkLogin" class="act.LoginAction" method="checkLogin">
 			<result name="success">/index.jsp</result>
 			<result name="login">/login.jsp</result>
 		</action>
 	</package>
 </struts>

感觉没什么错[/quote]建议你把相关代码都贴上来[/quote] 现在好了，我的struts.xml放错地方了

[要死脚一蹬]

引用 4 楼 u011577666 的回复:

[quote=引用 3 楼 Falleyes 的回复:] [quote=引用 2 楼 u011577666 的回复:] [quote=引用 1 楼 Falleyes 的回复:] struts.xml文件配置对了吗？

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd">
 <struts>
 	<include file="struts-default.xml"/>
 	<package name="struts2_login" extends="struts-default" >
 		<action name="checkLogin" class="act.LoginAction" method="checkLogin">
 			<result name="success">/index.jsp</result>
 			<result name="login">/login.jsp</result>
 		</action>
 	</package>
 </struts>

感觉没什么错[/quote]建议你把相关代码都贴上来[/quote] 现在好了，我的struts.xml放错地方了[/quote]不会吧。。。。。。我也是报这个错，但我struts没有放错地方啊