2

I have to import a excel file using excel importer module but i am getting an error for creating a new template using excel file. I am getting following Stack traces An error occurred while executing an action of ExcelImporter.Template_New_FromDocument.microflowButton1:  Error: An error occurred while executing an action of ExcelImporter.Template_New_FromDocument.microflowButton1:      at http://localhost:8080/mxclientsystem/mxui/mxui.js?637315331848983570:80:16418     at we (http://localhost:8080/mxclientsystem/mxui/mxui.js?637315331848983570:35:9232)     at r (http://localhost:8080/mxclientsystem/mxui/mxui.js?637315331848983570:35:9128)     at d (http://localhost:8080/mxclientsystem/mxui/mxui.js?637315331848983570:40:140940)   An error has occurred while handling the request. [User 'Anonymous_2058de9e-2da5-440e-b61a-8fa8cdf97d00' with session id '2d831b0c-XXXX-XXXX-XXXX-XXXXXXXX4b47' and roles 'Administrator'] -------- com.mendix.modules.microflowengine.MicroflowException: 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:152) 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:156) 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:164) Caused by: java.lang.NumberFormatException: null     at java.base/java.lang.Integer.parseInt(Integer.java:614)     at java.base/java.lang.Integer.parseInt(Integer.java:770)     at excelimporter.reader.readers.ReadOnlySharedStringsTable.startElement(ReadOnlySharedStringsTable.java:191)     at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:510)     at java.xml/com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java:731)     at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1397)     at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$ContentDriver.scanRootElementHook(XMLDocumentScannerImpl.java:1292)     at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3063)     at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:836)     at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605)     at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:534)     at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:888)     at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:824)     at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)     at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1216)     at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:635)     at excelimporter.reader.readers.ReadOnlySharedStringsTable.readFrom(ReadOnlySharedStringsTable.java:141)     at excelimporter.reader.readers.ReadOnlySharedStringsTable.<init>(ReadOnlySharedStringsTable.java:110)     at excelimporter.reader.readers.ExcelXLSXHeaderReader.<init>(ExcelXLSXHeaderReader.java:47)     at excelimporter.reader.readers.ExcelReader.getHeaders(ExcelReader.java:152)     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:147)     at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)     at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:152)     at com.mendix.basis.actionmanagement.UserActionCallBuilderImpl.execute(UserActionCallBuilderImpl.scala:30)     at com.mendix.modules.microflowengine.actions.actioncall.JavaAction.execute(JavaAction.scala:56)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.java:49)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.java:215)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.java:165)     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$1.execute(ActionManagerBase.java:147)     at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)     at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:152)     at com.mendix.basis.actionmanagement.MicroflowCallBuilderImpl.execute(MicroflowCallBuilderImpl.scala:40)     at com.mendix.webui.actions.client.ExecuteMicroflowAction.runMicroflow(ExecuteMicroflowAction.scala:76)     at com.mendix.webui.actions.client.ExecuteMicroflowAction.$anonfun$apply$3(ExecuteMicroflowAction.scala:42)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$.$anonfun$liftEither$1(RegularClientAction.scala:29)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.$anonfun$apply$4(RegularClientAction.scala:55)     at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:35)     at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:32)     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.ExecuteMicroflowAction.apply(ExecuteMicroflowAction.scala:43)     at com.mendix.webui.actions.client.ExecuteMicroflowAction.apply(ExecuteMicroflowAction.scala:22)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:109)     at scala.util.Try$.apply(Try.scala:213)     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$5(ContextHandling.scala:47)     at scala.runtime.java8.JFunction0$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:86)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:24)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:19)     at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:86)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:107)     at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)     at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest(ProfileHandling.scala:14)     at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest$(ProfileHandling.scala:10)     at com.mendix.webui.actions.client.RegularClientAction.profileRequest(RegularClientAction.scala:86)     at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:104)     at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:104)     at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:81)     at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:46)     at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:76)     at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:73)     at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32)     at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.java:79)     at com.mendix.basis.impl.MxRuntimeImplBase.processRequest(MxRuntimeImplBase.java:942)     at com.mendix.m2ee.appcontainer.server.handler.RuntimeHandler.service(RuntimeHandler.java:42)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)     at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:755)     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:547)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)     at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1300)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:485)     at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1215)     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)     at org.eclipse.jetty.server.Server.handle(Server.java:500)     at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:547)     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)     at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)     at java.base/java.lang.Thread.run(Thread.java:834)    

asked 2020-07-28

4 answers