I have an application which is returning NPE in a certain screen when i call browser screen. However, I didn;t see any origin of my code that is throwing this exception. Any suggestion about what could be the root cause?
> java.lang.NullPointerException
> at com.haulmont.cuba.core.app.dynamicattributes.DynamicAttributesManager.lambda$fetchDynamicAttributes$1(DynamicAttributesManager.java:242)
> at java.lang.Iterable.forEach(Iterable.java:75)
> at com.haulmont.cuba.core.app.dynamicattributes.DynamicAttributesManager.fetchDynamicAttributes(DynamicAttributesManager.java:242)
> at com.haulmont.cuba.core.app.RdbmsStore.loadList(RdbmsStore.java:252)
> at sun.reflect.GeneratedMethodAccessor2492.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
> at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
> at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)
> at com.sun.proxy.$Proxy2242.loadList(Unknown Source)
> at com.haulmont.cuba.core.app.DataManagerBean.loadList(DataManagerBean.java:78)
> at com.haulmont.cuba.core.app.DataServiceBean.loadList(DataServiceBean.java:54)
> at sun.reflect.GeneratedMethodAccessor2486.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
> at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88)
> at com.haulmont.cuba.core.sys.ServiceInterceptor.aroundInvoke(ServiceInterceptor.java:90)
> at sun.reflect.GeneratedMethodAccessor2295.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644)
> at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633)
> at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175)
> at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
> at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)
> at com.sun.proxy.$Proxy2134.loadList(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor2486.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
> at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205)
> at com.sun.proxy.$Proxy2267.loadList(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor2494.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.springframework.remoting.support.RemoteInvocation.invoke(RemoteInvocation.java:215)
> at com.haulmont.cuba.core.sys.remoting.CubaRemoteInvocationExecutor.invoke(CubaRemoteInvocationExecutor.java:110)
> at org.springframework.remoting.support.RemoteInvocationBasedExporter.invoke(RemoteInvocationBasedExporter.java:78)
> at org.springframework.remoting.support.RemoteInvocationBasedExporter.invokeAndCreateResult(RemoteInvocationBasedExporter.java:114)
> at com.haulmont.cuba.core.sys.remoting.HttpServiceExporter.handleRequest(HttpServiceExporter.java:81)
> at org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:53)
> at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
> at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
> at com.haulmont.cuba.core.sys.remoting.RemotingServlet.doService(RemotingServlet.java:130)
> at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
> at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
> at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
> 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:202)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
> at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
> at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
> at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
> at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
> at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591)
> 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)