all database changes executed by this action were rolled back

0
Hi Experts,   I tried to import excel xls file and the console shows the records are imported . but when I try to open another page which has reference selector. It is showing below error  any one what this error is.   Thanks in advance. com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreRuntimeException: Exception occurred in action '{"changes":"Map(Name -> FCA_T1209.xlsx, Contents -> null, DeleteAfterDownload -> false)","type":"ChangeAction"}', all database changes executed by this action were rolled back     at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:84) Caused by: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreRuntimeException: Exception occurred in action '{"changes":"Map(Name -> FCA_T1209.xlsx, Contents -> null, DeleteAfterDownload -> false)","type":"ChangeAction"}', all database changes executed by this action were rolled back     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:23) Caused by: com.mendix.core.CoreRuntimeException: Exception occurred in action '{"changes":"Map(Name -> FCA_T1209.xlsx, Contents -> null, DeleteAfterDownload -> false)","type":"ChangeAction"}', all database changes executed by this action were rolled back     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.processErrorState(CoreActionHandlerImpl.scala:153) Caused by: java.lang.NullPointerException: null     at com.mendix.basis.objectmanagement.member.MendixBinaryFileStoreImpl.getValueFromString(MendixBinaryFileStoreImpl.scala:177)     at com.mendix.basis.objectmanagement.member.MendixBinaryFileStoreImpl.getValueFromString(MendixBinaryFileStoreImpl.scala:26)     at com.mendix.basis.action.user.Changer.setMemberValue(Changer.scala:95)     at com.mendix.basis.action.user.Changer.setMemberValue$(Changer.scala:84)     at com.mendix.basis.action.user.ChangeAction.setMemberValue(ChangeAction.scala:9)     at com.mendix.basis.action.user.Changer.changeMember(Changer.scala:67)     at com.mendix.basis.action.user.Changer.$anonfun$changeMembers$3(Changer.scala:38)     at com.mendix.basis.action.user.Changer.$anonfun$changeMembers$3$adapted(Changer.scala:37)     at scala.collection.immutable.List.foreach(List.scala:333)     at com.mendix.basis.action.user.Changer.changeMembers(Changer.scala:37)     at com.mendix.basis.action.user.Changer.changeMembers$(Changer.scala:25)     at com.mendix.basis.action.user.ChangeAction.changeMembers(ChangeAction.scala:9)     at com.mendix.basis.action.user.ChangeAction.executeAction(ChangeAction.scala:27)     at com.mendix.basis.action.user.ChangeAction.executeAction(ChangeAction.scala:9)     at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:46)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:71)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:48)     at com.mendix.core.actionmanagement.internal.InternalCoreAction.call(InternalCoreAction.scala:25)     at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:80)     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:19)     at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:79)     at com.mendix.basis.component.ObjectManagementCore.change(ObjectManagementCore.scala:36)     at com.mendix.basis.component.ObjectManagementCore.change$(ObjectManagementCore.scala:33)     at com.mendix.basis.component.InternalCore.change(InternalCore.scala:21)     at com.mendix.webui.requesthandling.helpers.StateHandling.$anonfun$addChangesToState$3(StateHandling.scala:194)     at scala.collection.immutable.List.foreach(List.scala:333)     at com.mendix.webui.requesthandling.helpers.StateHandling.addChangesToState(StateHandling.scala:154)     at com.mendix.webui.requesthandling.helpers.StateHandling.initializeState(StateHandling.scala:66)     at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:41)     at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:39)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.withState(RegularClientAction.scala:45)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:53)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:45)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:109)     at scala.util.Try$.apply(Try.scala:210)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2(RegularClientAction.scala:109)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2$adapted(RegularClientAction.scala:107)     at com.mendix.webui.requesthandling.helpers.ContextHandling.$anonfun$inContext$5(ContextHandling.scala:51)     at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)     at com.mendix.basis.actionmanagement.ActionMonitoring$.$anonfun$monitor$1(ActionMonitoring.scala:49)     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:19)     at com.mendix.basis.actionmanagement.ActionMonitoring$.monitor(ActionMonitoring.scala:49)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:51)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:26)     at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:86)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:23)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:18)     at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:86)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:107)     at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)     at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest(ProfileHandling.scala:14)     at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest$(ProfileHandling.scala:10)     at com.mendix.webui.actions.client.RegularClientAction.profileRequest(RegularClientAction.scala:86)     at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:104)     at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:106)     at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:79)     at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:35)     at com.mendix.external.connector.MxRuntimeConnector.lambda$processRequest$0(MxRuntimeConnector.java:74)     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:19)     at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.java:73)     at com.mendix.basis.impl.MxRuntimeImplBase.processRequest(MxRuntimeImplBase.java:838)     at com.mendix.m2ee.appcontainer.server.handler.RuntimeServlet.service(RuntimeServlet.scala:25)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)     at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)     at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)     at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228)     at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)     at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)     at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)     at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)     at org.eclipse.jetty.server.Server.handle(Server.java:516)     at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)     at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386)     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)     at java.base/java.lang.Thread.run(Thread.java:834)  
asked
1 answers
4

Hi Azam,

according to stacktrace, it is giving a null pointer error,

You should put a debugger on the microflow, and then trace which Object/attribute is coming empty, and to counter that, you can apply an empty check.

Let me know, if you have any issues,

Hope it helps!!

answered