IllegalArgumentException: entity is null 7.1.0

Hi,

I get the following error, when updating to 7.1.0. This happens only, when I start an edit screen from menu.
This was working in 7.0.10:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<menu-config xmlns="http://schemas.haulmont.com/cuba/menu.xsd">

    <menu id="application-vorgangsverwaltung" insertBefore="administration">
        <item screen="vorgangsverwaltung$Vorgang.edit"/>
[...]
    </menu>
</menu-config>

IllegalArgumentException: entity is null

java.lang.IllegalArgumentException: entity is null
	at com.haulmont.bali.util.Preconditions.checkNotNullArgument(Preconditions.java:102)
	at com.haulmont.cuba.core.global.EntityStates.isNew(EntityStates.java:65)
	at com.haulmont.cuba.gui.screen.StandardEditor.setupEntityToEdit(StandardEditor.java:179)
	at com.haulmont.cuba.gui.screen.StandardEditor.beforeShow(StandardEditor.java:104)
	at com.haulmont.bali.events.EventHub.publish(EventHub.java:170)
	at com.haulmont.cuba.gui.screen.Screen.fireEvent(Screen.java:128)
	at com.haulmont.cuba.gui.screen.UiControllerUtils.fireEvent(UiControllerUtils.java:60)
	at com.haulmont.cuba.web.sys.WebScreens.show(WebScreens.java:435)
	at com.haulmont.cuba.web.sys.WebScreens.showFromNavigation(WebScreens.java:543)
	at com.haulmont.cuba.gui.config.MenuItemCommands$ScreenCommand.run(MenuItemCommands.java:327)
	at com.haulmont.cuba.web.sys.MenuBuilder$MenuCommandExecutor.accept(MenuBuilder.java:256)
	at com.haulmont.cuba.web.sys.MenuBuilder$MenuCommandExecutor.accept(MenuBuilder.java:241)
	at com.haulmont.cuba.web.gui.components.mainwindow.WebAppMenu$MenuItemImpl.menuSelected(WebAppMenu.java:435)
	at com.vaadin.ui.MenuBar.changeVariables(MenuBar.java:225)
	at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:611)
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:457)
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:400)
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:260)
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:82)
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40)
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1577)
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	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:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:107)
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:73)
	at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$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)

Is there an workaround for this?

Hello @jw90

It is an expected behavior - by default entity is passed when screen is opened from browser.

As an option you can subscribe for InitEvent and pass the entity to setEntityToEdit method.

Regards,
Daniil

I want to create a new entity. In 7.0.10 this was working like this.

The only way that works, is to create a new Entity in InitEvent when entity is null, but this seems wrong to me.
Am I missing something, or is this really the only way?

You don’t miss anything, the behavior is changed ofr CUBA 7.1

Okay, thanks.
I will implement it with InitEvent, then.