I currently creating standard screen entity for editor and browser using cuba studio wizard , but when I try to create content row, the result is message dialog popup “NullPointerException” followed with below message
java.lang.NullPointerException
at com.haulmont.cuba.security.app.EntityLog.lambda$flush$0(EntityLog.java:108)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at com.haulmont.cuba.security.app.EntityLog.flush(EntityLog.java:109)
at com.haulmont.cuba.core.sys.persistence.PersistenceImplSupport$ContainerResourceSynchronization.beforeCommit(PersistenceImplSupport.java:339)
at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCommit(TransactionSynchronizationUtils.java:95)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCommit(AbstractPlatformTransactionManager.java:932)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:744)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:730)
at com.haulmont.cuba.core.sys.TransactionImpl.commit(TransactionImpl.java:104)
at com.haulmont.cuba.core.app.RdbmsStore.commit(RdbmsStore.java:423)
at com.haulmont.cuba.core.app.DataManagerBean.commit(DataManagerBean.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.haulmont.cuba.core.app.DataManagerBean$SecureDataManagerInvocationHandler.invoke(DataManagerBean.java:362)
at com.sun.proxy.$Proxy362.commit(Unknown Source)
at com.haulmont.cuba.core.app.DataServiceBean.commit(DataServiceBean.java:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85)
at com.haulmont.cuba.core.sys.ServiceInterceptor.aroundInvoke(ServiceInterceptor.java:117)
at sun.reflect.GeneratedMethodAccessor190.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:629)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:618)
at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy237.commit(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.haulmont.cuba.core.sys.remoting.LocalServiceInvokerImpl.invoke(LocalServiceInvokerImpl.java:94)
at com.haulmont.cuba.web.sys.remoting.LocalServiceProxy$LocalServiceInvocationHandler.invoke(LocalServiceProxy.java:154)
at com.sun.proxy.$Proxy31.commit(Unknown Source)
at com.haulmont.cuba.client.sys.DataManagerClientImpl.commit(DataManagerClientImpl.java:96)
at com.haulmont.cuba.gui.data.impl.GenericDataSupplier.commit(GenericDataSupplier.java:90)
at com.haulmont.cuba.gui.data.impl.DsContextImpl.commit(DsContextImpl.java:165)
at com.haulmont.cuba.gui.components.EditorWindowDelegate.commit(EditorWindowDelegate.java:283)
at com.haulmont.cuba.web.gui.WebWindow$Editor.commitAndClose(WebWindow.java:1755)
at com.haulmont.cuba.gui.components.AbstractEditor.commitAndClose(AbstractEditor.java:109)
at com.haulmont.cuba.gui.components.EditorWindowDelegate$2.actionPerform(EditorWindowDelegate.java:102)
at com.haulmont.cuba.web.gui.components.WebButton.performAction(WebButton.java:44)
at com.haulmont.cuba.web.gui.components.WebButton.lambda$new$61446b05$1(WebButton.java:36)
So is there a clue what already happen to my screen ?