In 6.6.1 I get a NullPointerException when using a DataGrid generated column, if in the code I use the id of an existing column (created in Studio UI).
I have checked, and deleting the column (in Studio UI) solves the issue.
Below is the log:
17:54:18.800 ERROR com.haulmont.cuba.web.log.AppLog - Exception in com.haulmont.cuba.web.gui.components.WebTable$1:
com.vaadin.event.ListenerMethod$MethodException: Invocation of method itemClick in com.haulmont.cuba.web.gui.components.WebAbstractTable$$Lambda$102/816854275 failed.
at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:530)
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.Table.handleClickEvent(Table.java:3220)
at com.vaadin.ui.Table.changeVariables(Table.java:2997)
at com.haulmont.cuba.web.toolkit.ui.CubaTable.changeVariables(CubaTable.java:252)
at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:623)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:470)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:413)
at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:274)
at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:90)
at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41)
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1436)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:385)
at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:301)
at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:192)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at com.haulmont.cuba.web.sys.CubaHttpFilter.handleNotFiltered(CubaHttpFilter.java:108)
at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:95)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
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:474)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:789)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1437)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at com.haulmont.cuba.web.gui.components.WebDataGrid$ColumnImpl.setGridColumn(WebDataGrid.java:3119)
at com.haulmont.cuba.web.gui.components.WebDataGrid.removeColumn(WebDataGrid.java:671)
at com.haulmont.cuba.web.gui.components.WebDataGrid.addGeneratedColumn(WebDataGrid.java:2045)
at com.haulmont.cuba.web.gui.components.WebDataGrid.addGeneratedColumn(WebDataGrid.java:2034)
at com.company.tojm.web.concert.ConcertManage.initializeCpuDataGrid(ConcertManage.java:156)
at com.company.tojm.web.concert.ConcertManage.init(ConcertManage.java:145)
at com.haulmont.cuba.gui.WindowManager.init(WindowManager.java:1178)
at com.haulmont.cuba.gui.WindowManager.initWrapperFrame(WindowManager.java:1167)
at com.haulmont.cuba.gui.WindowManager.createWindow(WindowManager.java:540)
at com.haulmont.cuba.gui.WindowManager.openEditor(WindowManager.java:819)
at com.haulmont.cuba.web.WebWindowManager.openEditor(WebWindowManager.java:164)
at com.haulmont.cuba.gui.components.WindowDelegate.openEditor(WindowDelegate.java:247)
at com.haulmont.cuba.web.gui.WebWindow.openEditor(WebWindow.java:459)
at com.haulmont.cuba.gui.components.actions.EditAction.internalOpenEditor(EditAction.java:274)
at com.haulmont.cuba.gui.components.actions.EditAction.actionPerform(EditAction.java:223)
at com.haulmont.cuba.web.gui.components.WebAbstractTable.handleClickAction(WebAbstractTable.java:807)
at com.haulmont.cuba.web.gui.components.WebAbstractTable.lambda$initComponent$4fd149ee$1(WebAbstractTable.java:693)
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.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)
... 43 more
See the following issue in our bug tracker: