I’m using a StandardEditor for my process and everything is working fine, I can run the full process without any issue or any error.
The issue though is, when I try to start the process from the BProc menu:
BProc -> Start Process
Then select the very same process and click the “Start Process” button I get an the error: Entity is null:
Here is the error stack:
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.company.travelreq.web.screens.travelrequest.TravelRequestEdit.setupEntityToEdit(TravelRequestEdit.java:98)
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.gui.screen.Screen.show(Screen.java:309)
at com.haulmont.addon.bproc.web.screens.startprocess.StartProcessScreen.onProcessDefinitionsTableStartProcessActionPerformed(StartProcessScreen.java:58)
at com.haulmont.bali.events.EventHub.publish(EventHub.java:170)
at com.haulmont.cuba.gui.components.actions.BaseAction.actionPerform(BaseAction.java:221)
at com.haulmont.cuba.web.gui.components.WebButton.buttonClicked(WebButton.java:64)
at com.haulmont.cuba.web.widgets.CubaButton.fireClick(CubaButton.java:76)
at com.vaadin.ui.Button$1.click(Button.java:57)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:153)
at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:115)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:431)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:396)
at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:260)
at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:82)
at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40)
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1577)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425)
at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329)
at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CompositeFilter$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:200)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
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:408)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:834)