hello experts, i am trying to import a excel file to import data in my database but when after sync my entities and MF using Mx model reflection when i click on new template by excel file on excel import overview page and choose a file that i want to import i got error com.mendix.core.CoreException: com.mendix.modules.microflowengine.MicroflowException: com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreException: Document could not be read, because: null at ExcelImporter.IVK_SaveContinue_CreateTemplateFromDoc (JavaAction : 'Get the columns from the template document') Advanced stacktrace: at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:354) Caused by: com.mendix.modules.microflowengine.MicroflowException: com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreException: Document could not be read, because: null at ExcelImporter.IVK_SaveContinue_CreateTemplateFromDoc (JavaAction : 'Get the columns from the template document') Advanced stacktrace: at com.mendix.modules.microflowengine.MicroflowUtil.processException(MicroflowUtil.java:146) Caused by: com.mendix.core.CoreException: com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreException: Document could not be read, because: null at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:383) Caused by: com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreException: Document could not be read, because: null at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:155) Caused by: com.mendix.systemwideinterfaces.MendixRuntimeException: com.mendix.core.CoreException: Document could not be read, because: null at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:36) Caused by: com.mendix.core.CoreException: Document could not be read, because: null at excelimporter.reader.readers.ExcelReader.getHeaders(ExcelReader.java:144) Caused by: java.lang.NullPointerException: null at excelimporter.reader.readers.ExcelXLSXReader$ExcelSheetHandler.closeTextProcessing(ExcelXLSXReader.java:288) at excelimporter.reader.readers.ExcelXLSXHeaderReader$SheetHandler.endElement(ExcelXLSXHeaderReader.java:118) at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:610) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1718) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2883) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112) at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:534) at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:888) at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:824) at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1216) at excelimporter.reader.readers.ExcelXLSXHeaderReader.<init>(ExcelXLSXHeaderReader.java:61) at excelimporter.reader.readers.ExcelReader.getHeaders(ExcelReader.java:132) at excelimporter.reader.ExcelImporter.getColumns(ExcelImporter.java:54) at excelimporter.actions.GetHeaderInformationFromExcelFile.executeAction(GetHeaderInformationFromExcelFile.java:43) at excelimporter.actions.GetHeaderInformationFromExcelFile.executeAction(GetHeaderInformationFromExcelFile.java:21) 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:49) at com.mendix.core.actionmanagement.CoreAction.call(CoreAction.java:54) at com.mendix.basis.actionmanagement.ActionManagerBase$1.execute(ActionManagerBase.java:146) at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32) at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:151) at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:379) at com.mendix.modules.microflowengine.actions.actioncall.JavaAction.execute(JavaAction.scala:53) 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:71) at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:49) at com.mendix.core.actionmanagement.CoreAction.call(CoreAction.java:54) at com.mendix.basis.actionmanagement.ActionManagerBase$1.execute(ActionManagerBase.java:146) at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32) at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:151) at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:348) at com.mendix.basis.component.InternalCoreBase.execute(InternalCoreBase.java:363) at com.mendix.webui.actions.client.ExecuteMicroflowAction.runMicroflow(ExecuteMicroflowAction.scala:75) at com.mendix.webui.actions.client.ExecuteMicroflowAction.apply(ExecuteMicroflowAction.scala:40) at com.mendix.webui.actions.client.ExecuteMicroflowAction.apply(ExecuteMicroflowAction.scala:18) at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$7(RegularClientAction.scala:63) at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:37) at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:30) at com.mendix.webui.actions.client.RegularClientAction.withState(RegularClientAction.scala:30) at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:61) at scala.util.Try$.apply(Try.scala:213) at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2(RegularClientAction.scala:54) at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2$adapted(RegularClientAction.scala:53) at com.mendix.webui.requesthandling.helpers.ContextHandling.$anonfun$inContext$3(ContextHandling.scala:41) at scala.runtime.java8.JFunction0$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$ClientMonitoredAction.monitor(ContextHandling.scala:49) at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:41) at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:27) at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:30) at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:24) at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:19) at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:30) at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:53) at scala.runtime.java8.JFunction0$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:30) at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:50) at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:130) at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:107) at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:40) at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:76) at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:73) at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32) at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.java:79) at com.mendix.basis.impl.MxRuntimeImpl.processRequest(MxRuntimeImpl.java:967) at com.mendix.m2ee.appcontainer.server.handler.RuntimeHandler.service(RuntimeHandler.java:42) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:502) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$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.base/java.lang.Thread.run(Thread.java:834) [Note : i have created my excel file using google sheet and downloaded] i am using mendix 8.2.2 Edit
asked
Sanjay Kushwah
1 answers
0
Hi Sanjay,
The release notes of the latest version of the marketplace module (https://marketplace.mendix.com/link/component/72https://marketplace.mendix.com/link/component/72) mentions a fix for nullpointer exceptions during import.
Maybe updating the excel importer module in your app will help.