求助 java.lang.reflect.InvocationTargetException

2016-01-11 05:40:35 416 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Exception in thread “main“ java.lang.reflect.InvocationTargetException缺失主函数 springboot项目打包后，发布报错Exception in thread "main" java.lang.reflect.InvocationTargetException，原因是MANIFEST.MF文件没有指定启动的主函数类解决方法：在pom.xml添加如下配置 <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> 阅读详情

一个web项目，可以正常打开主页，但是点击登陆后报错直接打在了网页上。控制台没消息。
eclipse jre1.6 tomcat5.5 sql server2014

type Exception report



message 



description The server encountered an internal error () that prevented it from fulfilling this request.



exception 

java.lang.reflect.InvocationTargetException

	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

	sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

	java.lang.reflect.Method.invoke(Unknown Source)

	com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:440)

	com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:279)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:242)

	com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:163)

	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:249)

	org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)

	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)

	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)

	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:148)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:93)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:128)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:104)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)

	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:148)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:128)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)

	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)

	org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)

	org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:468)

	org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)







note The full stack trace of the root cause is available in the Apache Tomcat/5.5.26 logs.

点了登陆后，就出现上面的错误。
求解啊，网上搜了一下午了。

...全文

STorM BGC V1.31硬件+SimpleBGC固件：从零搭建三轴云台开发环境（Keil+JLink避坑指南）本文详细介绍了如何从零搭建STorM BGC V1.31硬件+SimpleBGC固件的三轴云台开发环境，涵盖硬件连接、Keil+JLink开发工具配置、固件编译与烧录等关键步骤，并提供了常见问题的解决方案和调试技巧，帮助开发者快速上手三轴云台开发。阅读详情

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切换为时间正序

LL继续前进 2016-01-17

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jar包问题，版本不匹配？检查下

scmod 2016-01-16

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引用 5 楼 Ya_da 的回复:

这个是structs.xml的内容，不知道我写错了没有。。。。

<?xml version="1.0" encoding="UTF-8" ?><!-- XML声明 -->
<!DOCTYPE struts PUBLIC
 "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd"><!-- 指定Struts 2配置文件的DTD信息 -->
<struts><!-- 根节点 -->
	<constant name="struts.i18n.encoding" value="gb2312"></constant>
	<package name="struts2" extends="struts-default">
 		<action name="login" class="com.sanqing.action.LoginAction">
 			<result name="studentSuccess" type="chain">getRandomSubject</result><!--进入考试页面-->
 			<result name="teacherSuccess" type="redirect">/teacher/index.html</result><!--老师登录成功页面-->
 			<result name="input">/login.jsp</result><!--登录失败页面-->
 		</action>
 		<action name="subjectAdd" class="com.sanqing.action.SubjectAddAction">
 			<result name="success" type="redirect">/teacher/subjectAdd.jsp</result><!--重定向到试题添加页面-->
 			<result name="input">/teacher/subjectAdd.jsp</result><!--请求转发到试题添加页面-->
 		</action>
 		<action name="subjectQuery" class="com.sanqing.action.QuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="subjectParticular" class="com.sanqing.action.SubjectParticularAction">
 			<result name="success">/teacher/subjectShow.jsp</result><!--跳转到试题详细显示页面-->
 		</action>
 		<action name="subjectUpadateBefore" class="com.sanqing.action.SubjectUpdateBefore">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectUpadate" class="com.sanqing.action.SubjectUpdateAction">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectLikeQuery" class="com.sanqing.action.LikeQuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="getRandomSubject" class="com.sanqing.action.GetRandomSubject">
 			<result name="success">/student/index.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="submitExam" class="com.sanqing.action.SubmitExamAction">
 			<result name="success">/student/examResult.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="showSubjectAnswer" class="com.sanqing.action.ShowSubjectAnswer">
 			<result name="success">/student/showAnswer.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="queryStudentByName" class="com.sanqing.action.QueryStudentByName">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 		<action name="queryStudentByClass" class="com.sanqing.action.QueryStudentByClass">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 	</package>	
</struts>

这是访问了啥才出来的...还有对应的那个方法有么...

scmod 2016-01-16

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引用 8 楼 Ya_da 的回复:

解决了，jar包引用的问题。。。 [quote=引用 7 楼 scmod 的回复:] [quote=引用 5 楼 Ya_da 的回复:] 这个是structs.xml的内容，不知道我写错了没有。。。。

<?xml version="1.0" encoding="UTF-8" ?><!-- XML声明 -->
<!DOCTYPE struts PUBLIC
 "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd"><!-- 指定Struts 2配置文件的DTD信息 -->
<struts><!-- 根节点 -->
	<constant name="struts.i18n.encoding" value="gb2312"></constant>
	<package name="struts2" extends="struts-default">
 		<action name="login" class="com.sanqing.action.LoginAction">
 			<result name="studentSuccess" type="chain">getRandomSubject</result><!--进入考试页面-->
 			<result name="teacherSuccess" type="redirect">/teacher/index.html</result><!--老师登录成功页面-->
 			<result name="input">/login.jsp</result><!--登录失败页面-->
 		</action>
 		<action name="subjectAdd" class="com.sanqing.action.SubjectAddAction">
 			<result name="success" type="redirect">/teacher/subjectAdd.jsp</result><!--重定向到试题添加页面-->
 			<result name="input">/teacher/subjectAdd.jsp</result><!--请求转发到试题添加页面-->
 		</action>
 		<action name="subjectQuery" class="com.sanqing.action.QuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="subjectParticular" class="com.sanqing.action.SubjectParticularAction">
 			<result name="success">/teacher/subjectShow.jsp</result><!--跳转到试题详细显示页面-->
 		</action>
 		<action name="subjectUpadateBefore" class="com.sanqing.action.SubjectUpdateBefore">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectUpadate" class="com.sanqing.action.SubjectUpdateAction">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectLikeQuery" class="com.sanqing.action.LikeQuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="getRandomSubject" class="com.sanqing.action.GetRandomSubject">
 			<result name="success">/student/index.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="submitExam" class="com.sanqing.action.SubmitExamAction">
 			<result name="success">/student/examResult.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="showSubjectAnswer" class="com.sanqing.action.ShowSubjectAnswer">
 			<result name="success">/student/showAnswer.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="queryStudentByName" class="com.sanqing.action.QueryStudentByName">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 		<action name="queryStudentByClass" class="com.sanqing.action.QueryStudentByClass">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 	</package>	
</struts>

这是访问了啥才出来的...还有对应的那个方法有么...[/quote][/quote]

原来是这样...

一身千寻瀑 2016-01-16

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解决了，jar包引用的问题。。。

引用 7 楼 scmod 的回复:

[quote=引用 5 楼 Ya_da 的回复:] 这个是structs.xml的内容，不知道我写错了没有。。。。

<?xml version="1.0" encoding="UTF-8" ?><!-- XML声明 -->
<!DOCTYPE struts PUBLIC
 "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd"><!-- 指定Struts 2配置文件的DTD信息 -->
<struts><!-- 根节点 -->
	<constant name="struts.i18n.encoding" value="gb2312"></constant>
	<package name="struts2" extends="struts-default">
 		<action name="login" class="com.sanqing.action.LoginAction">
 			<result name="studentSuccess" type="chain">getRandomSubject</result><!--进入考试页面-->
 			<result name="teacherSuccess" type="redirect">/teacher/index.html</result><!--老师登录成功页面-->
 			<result name="input">/login.jsp</result><!--登录失败页面-->
 		</action>
 		<action name="subjectAdd" class="com.sanqing.action.SubjectAddAction">
 			<result name="success" type="redirect">/teacher/subjectAdd.jsp</result><!--重定向到试题添加页面-->
 			<result name="input">/teacher/subjectAdd.jsp</result><!--请求转发到试题添加页面-->
 		</action>
 		<action name="subjectQuery" class="com.sanqing.action.QuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="subjectParticular" class="com.sanqing.action.SubjectParticularAction">
 			<result name="success">/teacher/subjectShow.jsp</result><!--跳转到试题详细显示页面-->
 		</action>
 		<action name="subjectUpadateBefore" class="com.sanqing.action.SubjectUpdateBefore">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectUpadate" class="com.sanqing.action.SubjectUpdateAction">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectLikeQuery" class="com.sanqing.action.LikeQuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="getRandomSubject" class="com.sanqing.action.GetRandomSubject">
 			<result name="success">/student/index.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="submitExam" class="com.sanqing.action.SubmitExamAction">
 			<result name="success">/student/examResult.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="showSubjectAnswer" class="com.sanqing.action.ShowSubjectAnswer">
 			<result name="success">/student/showAnswer.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="queryStudentByName" class="com.sanqing.action.QueryStudentByName">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 		<action name="queryStudentByClass" class="com.sanqing.action.QueryStudentByClass">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 	</package>	
</struts>

这是访问了啥才出来的...还有对应的那个方法有么...[/quote]

一身千寻瀑 2016-01-14

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jar包我是直接拷贝到web-inf/lib里面的问题还是有

一身千寻瀑 2016-01-14

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这个是structs.xml的内容，不知道我写错了没有。。。。

<?xml version="1.0" encoding="UTF-8" ?><!-- XML声明 -->
<!DOCTYPE struts PUBLIC
 "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
 "http://struts.apache.org/dtds/struts-2.1.dtd"><!-- 指定Struts 2配置文件的DTD信息 -->
<struts><!-- 根节点 -->
	<constant name="struts.i18n.encoding" value="gb2312"></constant>
	<package name="struts2" extends="struts-default">
 		<action name="login" class="com.sanqing.action.LoginAction">
 			<result name="studentSuccess" type="chain">getRandomSubject</result><!--进入考试页面-->
 			<result name="teacherSuccess" type="redirect">/teacher/index.html</result><!--老师登录成功页面-->
 			<result name="input">/login.jsp</result><!--登录失败页面-->
 		</action>
 		<action name="subjectAdd" class="com.sanqing.action.SubjectAddAction">
 			<result name="success" type="redirect">/teacher/subjectAdd.jsp</result><!--重定向到试题添加页面-->
 			<result name="input">/teacher/subjectAdd.jsp</result><!--请求转发到试题添加页面-->
 		</action>
 		<action name="subjectQuery" class="com.sanqing.action.QuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="subjectParticular" class="com.sanqing.action.SubjectParticularAction">
 			<result name="success">/teacher/subjectShow.jsp</result><!--跳转到试题详细显示页面-->
 		</action>
 		<action name="subjectUpadateBefore" class="com.sanqing.action.SubjectUpdateBefore">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectUpadate" class="com.sanqing.action.SubjectUpdateAction">
 			<result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面-->
 		</action>
 		<action name="subjectLikeQuery" class="com.sanqing.action.LikeQuerySubjectAction">
 			<result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面-->
 		</action>
 		<action name="getRandomSubject" class="com.sanqing.action.GetRandomSubject">
 			<result name="success">/student/index.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="submitExam" class="com.sanqing.action.SubmitExamAction">
 			<result name="success">/student/examResult.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="showSubjectAnswer" class="com.sanqing.action.ShowSubjectAnswer">
 			<result name="success">/student/showAnswer.jsp</result><!--跳转到考试页面-->
 		</action>
 		<action name="queryStudentByName" class="com.sanqing.action.QueryStudentByName">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 		<action name="queryStudentByClass" class="com.sanqing.action.QueryStudentByClass">
 			<result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面-->
 		</action>
 	</package>	
</struts>

FlyStoneZ 2016-01-11

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应该是配置有问题，反射异常

kkndx 2016-01-11

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struts2配置文件检查下，可能有问题。

scmod 2016-01-11

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点登陆调用的那个Action....

用户名无法显示 2016-01-11

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是jar包的问题吗？打开你的build path把jar包重新导入一次试试看

求助 java.lang.reflect.InvocationTargetException

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