type Exception report
message
description The server encountered an internal error that prevented it from fulfilling this request.
exception
java.lang.NullPointerException com.xosoft.lms.user.action.ReceiptAction.readReceiptLecture(ReceiptAction.java:137) sun.reflect.GeneratedMethodAccessor7072.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:606) com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:450) com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:289) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:252) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:249) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) com.xosoft.lms.common.util.interceptor.UserLoginCheck.intercept(UserLoginCheck.java:48) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:562) org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99) com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77) com.xosoft.lms.common.util.filter.CrossScriptingFilter.doFilter(CrossScriptingFilter.java:30) com.xosoft.lms.common.util.filter.HttpsFilter.doFilter(HttpsFilter.java:26)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.