SSH整合时的异常信息:

异常信息:

java.lang.IllegalAccessException: Class com.googlecode.jsonplugin.JSONWriter can not access a member of class org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper with modifiers "public"

sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)

java.lang.reflect.Method.invoke(Method.java:588)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:224)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:324)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:324)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:324)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:324)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:324)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:324)

com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)

com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)

com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)

com.googlecode.jsonplugin.JSONWriter.write(JSONWriter.java:95)

com.googlecode.jsonplugin.JSONUtil.serialize(JSONUtil.java:98)

com.googlecode.jsonplugin.JSONResult.execute(JSONResult.java:179)

com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:361)

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)

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)

问题说明 :

出现这个问题是某属性通过串行化json数据发生了异常。struts2的action里面的数据转换成json数据时是将提供了getter的属性都统统串行化输出JSON到客户端。但并不是所有的action中的属性都要串行化为json数据类型并返回到前台。比如：使用的在action中配置的由spring注入各种Service属性时，同时提供了getter和setter,但该属性不需返回前台！

解决方法:

在不需要返回前台的Action中的属性的getter前加上相应的annotation，

即添加@JSON(serialize=false)
，以阻止该属性被序列化!