返回结果集有默认值但是提示java.lang.nullpointerexception

Oct 20, 2015 9:56:44 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Handler processing failed; nested exception is java.lang.Error: Unresolved compilation problems: 
        Duplicate field ChargeCountReturn.memberTimeFreeTime
        Duplicate field ChargeCountReturn.memberTimeFreeValue
        Duplicate method getMemberTimeFreeTime() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeTime(String) in type ChargeCountReturn
        Duplicate method getMemberTimeFreeValue() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeValue(String) in type ChargeCountReturn
        Duplicate field ChargeCountReturn.memberTimeFreeTime
        Duplicate field ChargeCountReturn.memberTimeFreeValue
        Duplicate method getMemberTimeFreeTime() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeTime(String) in type ChargeCountReturn
        Duplicate method getMemberTimeFreeValue() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeValue(String) in type ChargeCountReturn
] with root cause
java.lang.Error: Unresolved compilation problems: 
        Duplicate field ChargeCountReturn.memberTimeFreeTime
        Duplicate field ChargeCountReturn.memberTimeFreeValue
        Duplicate method getMemberTimeFreeTime() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeTime(String) in type ChargeCountReturn
        Duplicate method getMemberTimeFreeValue() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeValue(String) in type ChargeCountReturn
        Duplicate field ChargeCountReturn.memberTimeFreeTime
        Duplicate field ChargeCountReturn.memberTimeFreeValue
        Duplicate method getMemberTimeFreeTime() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeTime(String) in type ChargeCountReturn
        Duplicate method getMemberTimeFreeValue() in type ChargeCountReturn
        Duplicate method setMemberTimeFreeValue(String) in type ChargeCountReturn

        at com.ccc.charge.bean.ChargeCountReturn.<init>(ChargeCountReturn.java:53)
        at com.ccc.charge.common.ChargeCommon.setChargeCountReturn(ChargeCommon.java:774)
        at com.ccc.charge.common.ChargeCommon.chargeMain(ChargeCommon.java:522)
        at com.ccc.api.service.impl.ChargingServiceImpl.WCchargingCount(ChargingServiceImpl.java:478)
        at com.ccc.api.web.WCchargeAction.wcChargeCount(WCchargeAction.java:81)
        at com.ccc.api.web.WCchargeAction$$FastClassByCGLIB$$bfe736e7.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:698)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
        at com.anjubao.api.aspect.MethodLogInterceptor.doExecutionTimeActionAround(MethodLogInterceptor.java:85)
        at sun.reflect.GeneratedMethodAccessor33.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
        at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
        at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:631)
        at com.anjubao.api.web.WCchargeAction$$EnhancerByCGLIB$$8d36686f.wcChargeCount(<generated>)
        at sun.reflect.GeneratedMethodAccessor408.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)