I’ve created a newish project.
Now whenever I click on my data models with an association type attribute I get an error and a null pointer exception.
It also happens if I try to create a new associated type attribute in a data model.
Any suggestions?
[11:17:47.599] Unexpected error
java.lang.NullPointerException
[11:17:57.477] Exception has been thrown by com.haulmont.studio.ui.app.a@d8cf867:
[11:17:57.478] java.lang.NullPointerException
at com.haulmont.studio.ui.d.a.a.a(SourceFile:272)
at com.haulmont.studio.ui.d.a.a.l(SourceFile:259)
at com.haulmont.studio.ui.d.a.a.k(SourceFile:230)
at com.haulmont.studio.ui.d.a.a.(SourceFile:147)
at com.haulmont.studio.ui.d.d.c.valueChange(SourceFile:197)
at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:200)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:163)
at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1037)
at com.vaadin.ui.AbstractField.fireValueChange(AbstractField.java:1181)
at com.vaadin.ui.AbstractField.setValue(AbstractField.java:580)
at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:742)
at com.vaadin.ui.AbstractField.setValue(AbstractField.java:474)
at com.vaadin.ui.AbstractSelect.changeVariables(AbstractSelect.java:552)
at com.vaadin.ui.Table.changeVariables(Table.java:3025)
at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:615)
…
[11:17:57.490] Unexpected error
java.lang.NullPointerException
