Struts Problem Report

最新推荐文章于 2024-08-30 09:21:44 发布

原创最新推荐文章于 2024-08-30 09:21:44 发布 · 869 阅读

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#Struts #Java #Apache #Spring #Tomcat

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本文介绍了一个关于Struts框架在启动过程中遇到的问题，即在尝试访问登录页面时出现的StrutsProblemReport错误提示。该问题源于Spring配置文件中default-lazy-init属性设置为true导致的延迟加载问题，通过将其改为false解决了这一异常。

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启动项目时，能正常启动，也不报任何错误，再页面上输入登陆地址时，突然出现下面问题，后台也不报错，奇了怪了：如下

Struts Problem Report

Struts has detected an unhandled exception:

Messages:	systemLogAction Unable to instantiate Action, systemLogAction, defined for 'sys_listLogs' in namespace '/'systemLogAction
File:	org/apache/catalina/loader/WebappClassLoader.java
Line number:	1,387

Stacktraces

Unable to instantiate Action, systemLogAction, defined for 'sys_listLogs' in namespace '/'systemLogAction

    com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:306)
    com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:387)
    com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:186)
    org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
    org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
    com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:458)
    org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
    org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    java.lang.Thread.run(Thread.java:619)

java.lang.ClassNotFoundException: systemLogAction

    org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
    org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
    com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:146)
    com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:96)
    com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:206)
    com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:128)
    com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:139)
    com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:109)
    com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:287)
    com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:387)
    com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:186)
    org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
    org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
    com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:458)
    org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
    org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    java.lang.Thread.run(Thread.java:619)

后来才发现，是我在spring配置文件中把default-lazy-init="true"设置成true,

改为false之后，

问题迎刃而解了