自助仪表盘报空指针错误，什么原因？？

自助仪表盘报空指针错误什么原因？ 具体报错信息：smartbix.SmartbiXException: 空指针异常 -> null        at smartbix.SmartbiXException.create(SmartbiXException.java:58)        at smartbix.ExceptionResult.<init>(ExceptionResult.java:32)        at smartbix.spring.SmartbiXExceptionHandler.handleInvalidRequest(SmartbiXExceptionHandler.java:49)        at sun.reflect.GeneratedMethodAccessor2210.invoke(Unknown Source)        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)        at java.lang.reflect.Method.invoke(Method.java:498)        at smartbixlibs.org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)        at smartbixlibs.org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)        at smartbixlibs.org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)        at smartbixlibs.org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:385)        at smartbixlibs.org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:59)        at smartbixlibs.org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:131)        at smartbixlibs.org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1222)        at smartbixlibs.org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1034)        at smartbixlibs.org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)        at smartbixlibs.org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)        at smartbixlibs.org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)        at smartbixlibs.org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)        at smartbixlibs.org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)        at smartbi.extension.Extension.processMatchServlet(Extension.java:473)        at smartbi.extension.ExtensionFilter.processInternal(ExtensionFilter.java:212)        at smartbi.extension.ExtensionFilter.access$000(ExtensionFilter.java:44)        at smartbi.extension.ExtensionFilter$2.doFilter(ExtensionFilter.java:162)        at smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)        at smartbix.smartbi.filter.SmartbiXTraceFilter.doFilter(SmartbiXTraceFilter.java:46)        at smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)        at smartbixlibs.org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)        at smartbixlibs.org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)        at smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)        at smartbi.security.patch.PatchFilter.doFilter(PatchFilter.java:70)        at smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)        at smartbi.extension.ExtensionFilter.doFilterInternal(ExtensionFilter.java:175)        at smartbi.extension.ExtensionFilter.doFilter(ExtensionFilter.java:64)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:615)        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818)        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1627)        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)        at java.lang.Thread.run(Thread.java:748)Caused by: java.lang.NullPointerException

该问题应该是产品bug，已上报问题给研发处理