Application Name: Reference Application Version Number: 2.3.0 Build b3ade0
Question: Opening Provider Scheduling, Create Appointment, and Manage Appointments pages under Appointment Module in the system administration throw 500 Server error.
I have installed the reference application on Windows machine using xampp which has Apache, MySQL, and Tomcat built-in. I am trying out this application to evaluate if it meets the requirements of a health facility that is looking forward to implementing a health information system.
**Java Version:**1.8.0_92
Any help is greatly appreciated.
Thank you Sanjeet
Error Stack Trace Below
Exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:978)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:60)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:73)
org.openmrs.module.owa.filter.OwaFilter.doFilter(OwaFilter.java:57)
org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:71)
org.openmrs.module.referenceapplication.filter.RequireLoginLocationFilter.doFilter(RequireLoginLocationFilter.java:93)
org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:71)
org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:57)
org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:109)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:107)
org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:107)
org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:107)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
Root Cause
java.lang.NullPointerException
org.openmrs.module.appointmentscheduling.api.impl.AppointmentServiceImpl$1.compare(AppointmentServiceImpl.java:915)
org.openmrs.module.appointmentscheduling.api.impl.AppointmentServiceImpl$1.compare(AppointmentServiceImpl.java:912)
java.util.TimSort.binarySort(TimSort.java:296)
java.util.TimSort.sort(TimSort.java:221)
java.util.Arrays.sort(Arrays.java:1512)
java.util.ArrayList.sort(ArrayList.java:1454)
java.util.Collections.sort(Collections.java:175)
org.openmrs.module.appointmentscheduling.api.impl.AppointmentServiceImpl.getAllProvidersSorted(AppointmentServiceImpl.java:912)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
com.sun.proxy.$Proxy491.getAllProvidersSorted(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.cache.interceptor.CacheInterceptor$1.invoke(CacheInterceptor.java:52)
org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:303)
org.springframework.cache.interceptor.CacheInterceptor.invoke(CacheInterceptor.java:61)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.openmrs.aop.LoggingAdvice.invoke(LoggingAdvice.java:122)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:52)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:52)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
com.sun.proxy.$Proxy492.getAllProvidersSorted(Unknown Source)
org.openmrs.module.appointmentscheduling.web.controller.AppointmentBlockCalendarController.getProviderList(AppointmentBlockCalendarController.java:130)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:163)
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:60)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:73)
org.openmrs.module.owa.filter.OwaFilter.doFilter(OwaFilter.java:57)
org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:71)
org.openmrs.module.referenceapplication.filter.RequireLoginLocationFilter.doFilter(RequireLoginLocationFilter.java:93)
org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:71)
org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:57)
org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:109)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:107)
org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:107)
org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:107)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)