Hi, we’re using the export/import feature in the questionnaire module to export surveys. When calling the Export to XML microflow, the export to xml action with export mapping fails and returns a nullpointer exception. Do you have suggestions or? java.lang.NullPointerException: null
at com.mendix.integration.exporter.DeepAssociationRetriever.$anonfun$createRetrievers$2(AssociationRetriever.scala:68)
at com.mendix.integration.exporter.DeepAssociationRetriever.$anonfun$batchRetriever$1(AssociationRetriever.scala:92)
at scala.collection.Iterator$$anon$9.next(Iterator.scala:173)
at scala.collection.Iterator$$anon$10.next(Iterator.scala:459)
at scala.collection.TraversableOnce$FlattenOps$$anon$2.hasNext(TraversableOnce.scala:467)
at scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:458)
at com.mendix.integration.model.collection.IteratorWithCurrent.hasNext(IteratorWithCurrent.scala:8)
at com.mendix.integration.exporter.DeepAssociationRetriever.fromNextResult$1(AssociationRetriever.scala:51)
at com.mendix.integration.exporter.DeepAssociationRetriever.$anonfun$retrieve$2(AssociationRetriever.scala:53)
at scala.Option.getOrElse(Option.scala:138)
at com.mendix.integration.exporter.DeepAssociationRetriever.retrieve(AssociationRetriever.scala:53)
at com.mendix.integration.exporter.AssociationRetriever$.$anonfun$apply$2(AssociationRetriever.scala:31)
at com.mendix.integration.exporter.Exporter.getObjectsByAssociation(Exporter.scala:330)
at com.mendix.integration.exporter.Exporter.$anonfun$getMendixObjects$1(Exporter.scala:316)
at scala.Option.flatMap(Option.scala:188)
at com.mendix.integration.exporter.Exporter.getMendixObjects(Exporter.scala:316)
at com.mendix.integration.exporter.Exporter.handleObjectMapping(Exporter.scala:75)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2(Exporter.scala:143)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2$adapted(Exporter.scala:137)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at scala.collection.IterableLike.foreach(IterableLike.scala:74)
at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1(Exporter.scala:137)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1$adapted(Exporter.scala:134)
at scala.Option.foreach(Option.scala:274)
at com.mendix.integration.exporter.Exporter.exportObject(Exporter.scala:134)
at com.mendix.integration.exporter.Exporter.handleObjectMapping(Exporter.scala:73)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2(Exporter.scala:143)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2$adapted(Exporter.scala:137)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at scala.collection.IterableLike.foreach(IterableLike.scala:74)
at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1(Exporter.scala:137)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1$adapted(Exporter.scala:134)
at scala.Option.foreach(Option.scala:274)
at com.mendix.integration.exporter.Exporter.exportObject(Exporter.scala:134)
at com.mendix.integration.exporter.Exporter.$anonfun$exportListOfObjects$2(Exporter.scala:121)
at com.mendix.integration.exporter.Exporter.$anonfun$exportListOfObjects$2$adapted(Exporter.scala:120)
at scala.collection.immutable.List.foreach(List.scala:392)
at com.mendix.integration.exporter.Exporter.$anonfun$exportListOfObjects$1(Exporter.scala:120)
at com.mendix.integration.exporter.Exporter.withContainer(Exporter.scala:100)
at com.mendix.integration.exporter.Exporter.exportListOfObjects(Exporter.scala:119)
at com.mendix.integration.exporter.Exporter.handleObjectMapping(Exporter.scala:84)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2(Exporter.scala:143)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2$adapted(Exporter.scala:137)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at scala.collection.IterableLike.foreach(IterableLike.scala:74)
at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1(Exporter.scala:137)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1$adapted(Exporter.scala:134)
at scala.Option.foreach(Option.scala:274)
at com.mendix.integration.exporter.Exporter.exportObject(Exporter.scala:134)
at com.mendix.integration.exporter.Exporter.handleObjectMapping(Exporter.scala:73)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2(Exporter.scala:143)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$2$adapted(Exporter.scala:137)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at scala.collection.IterableLike.foreach(IterableLike.scala:74)
at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1(Exporter.scala:137)
at com.mendix.integration.exporter.Exporter.$anonfun$exportObject$1$adapted(Exporter.scala:134)
at scala.Option.foreach(Option.scala:274)
at com.mendix.integration.exporter.Exporter.exportObject(Exporter.scala:134)
at com.mendix.integration.exporter.Exporter.handleObjectMapping(Exporter.scala:82)
at com.mendix.integration.exporter.Exporter.export(Exporter.scala:50)
at com.mendix.integration.exporter.Exporter.export$(Exporter.scala:49)
at com.mendix.integration.exporter.xml.XmlExporter.export(XmlExporter.scala:15)
at com.mendix.integration.exporter.Exporter.exportToStream(Exporter.scala:60)
at com.mendix.integration.exporter.Exporter.exportToStream$(Exporter.scala:59)
at com.mendix.integration.exporter.xml.XmlExporter.exportToStream(XmlExporter.scala:15)
at com.mendix.integration.internal.InternalIntegration.$anonfun$doExportToStream$2(InternalIntegration.scala:148)
at com.mendix.integration.util.AutoCloseableUtil$.using(AutoCloseableUtil.scala:10)
at com.mendix.integration.internal.InternalIntegration.doExportToStream(InternalIntegration.scala:147)
at com.mendix.integration.internal.InternalIntegration.doExportToStream$(InternalIntegration.scala:134)
at com.mendix.integration.internal.InternalIntegrationImpl.doExportToStream(InternalIntegrationImpl.scala:41)
at com.mendix.integration.actions.microflow.ExportAction.com$mendix$integration$actions$microflow$ExportAction$$exportToStream(ExportAction.scala:42)
at com.mendix.integration.actions.microflow.ExportAction$$anonfun$exportToFile$1.applyOrElse(ExportAction.scala:48)
at com.mendix.integration.actions.microflow.ExportAction$$anonfun$exportToFile$1.applyOrElse(ExportAction.scala:46)
at scala.PartialFunction$Lifted.apply(PartialFunction.scala:228)
at scala.PartialFunction$Lifted.apply(PartialFunction.scala:224)
at scala.Option.collect(Option.scala:299)
at com.mendix.integration.actions.microflow.ExportAction.exportToFile(ExportAction.scala:46)
at com.mendix.integration.actions.microflow.ExportAction.execute(ExportAction.scala:35)
at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.java:47)
at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.java:201)
at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.java:157)
at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:46)
at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:79)
at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:57)
at com.mendix.core.actionmanagement.CoreAction.call(CoreAction.java:55)
at com.mendix.basis.actionmanagement.ActionManagerBase$1.execute(ActionManagerBase.java:150)
at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)
at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:155)
at com.mendix.basis.component.InternalCoreBase.executeSync(InternalCoreBase.java:493)
at com.mendix.modules.microflowengine.actions.SubMicroflowAction.execute(SubMicroflowAction.scala:51)
at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.java:47)
at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.java:201)
at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.java:157)
at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:46)
at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:79)
at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:57)
at com.mendix.core.actionmanagement.CoreAction.call(CoreAction.java:55)
at com.mendix.basis.actionmanagement.ActionManagerBase$1.execute(ActionManagerBase.java:150)
at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)
at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:155)
at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:383)
at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:398)
at com.mendix.webui.actions.client.ExecuteMicroflowAction.runMicroflow(ExecuteMicroflowAction.scala:46)
at com.mendix.webui.actions.client.ExecuteMicroflowAction.apply(ExecuteMicroflowAction.scala:32)
at com.mendix.webui.actions.client.ExecuteMicroflowAction.apply(ExecuteMicroflowAction.scala:15)
at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$4(RegularClientAction.scala:46)
at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:33)
at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:21)
at com.mendix.webui.actions.client.RegularClientAction.withState(RegularClientAction.scala:21)
at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:44)
at scala.util.Try$.apply(Try.scala:213)
at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2(RegularClientAction.scala:44)
at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2$adapted(RegularClientAction.scala:42)
at com.mendix.webui.requesthandling.helpers.ContextHandling.$anonfun$inContext$6(ContextHandling.scala:47)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.mendix.basis.actionmanagement.IMonitoredAction$$anon$1.execute(IMonitoredAction.scala:47)
at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)
at com.mendix.basis.actionmanagement.IMonitoredAction.monitor(IMonitoredAction.scala:49)
at com.mendix.basis.actionmanagement.IMonitoredAction.monitor$(IMonitoredAction.scala:25)
at com.mendix.webui.requesthandling.helpers.ContextHandling$ClientMonitoredAction.monitor(ContextHandling.scala:59)
at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:47)
at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:27)
at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:21)
at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:24)
at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:19)
at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:21)
at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:42)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest(ProfileHandling.scala:14)
at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest$(ProfileHandling.scala:10)
at com.mendix.webui.actions.client.RegularClientAction.profileRequest(RegularClientAction.scala:21)
at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:39)
at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:124)
at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:101)
at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:40)
at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:72)
at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:69)
at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)
at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.java:75)
at com.mendix.basis.impl.MxRuntimeImpl.processRequest(MxRuntimeImpl.java:909)
at com.mendix.m2ee.appcontainer.server.handler.RuntimeHandler.service(RuntimeHandler.java:42)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.Server.handle(Server.java:502)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
at java.lang.Thread.run(Thread.java:748)
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