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An error has occurred while handling the request. [User 'Anonymous_953ae5e1-7019-43a8-8469-b06486000688' with session id 'b2a04ae0-XXXX-XXXX-XXXX-XXXXXXXX8d26' and roles 'Administrator'] -------- com.mendix.webui.WebUIException: Exception while executing runtime operation    at com.mendix.webui.actions.client.RuntimeOperationAction.apply(RuntimeOperationAction.scala:72) Caused by: com.mendix.webui.WebUIException: Exception while retrieving data for 'MyFirstModule.StepperPage_6.comboBox3' on document 'MyFirstModule.StepperPage_6'    at com.mendix.webui.actions.client.RetrieveAction.apply(RetrieveAction.scala:51) Caused by: com.mendix.modules.microflowengine.MicroflowException: com.mendix.systemwideinterfaces.MendixRuntimeException: java.lang.NullPointerException    at MyFirstModule.MF_GetArticles (JavaAction : 'ExecuteQuery') Advanced stacktrace:    at com.mendix.modules.microflowengine.MicroflowUtil.processException(MicroflowUtil.java:83) Caused by: com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: java.lang.NullPointerException    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:108) Caused by: com.mendix.systemwideinterfaces.MendixRuntimeException: java.lang.NullPointerException    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:23) Caused by: java.lang.NullPointerException: null    at externaldatabaseconnector.impl.ResultSetIterator.getColumnInfo(ResultSetIterator.java:59)    at externaldatabaseconnector.impl.ResultSetIterator.lambda$createColumnInfos$0(ResultSetIterator.java:45)    at java.base/java.util.stream.IntPipeline$1$1.accept(IntPipeline.java:180)    at java.base/java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:108)    at java.base/java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:699)    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)    at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)    at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)    at externaldatabaseconnector.impl.ResultSetIterator.createColumnInfos(ResultSetIterator.java:46)    at externaldatabaseconnector.impl.ResultSetIterator.<init>(ResultSetIterator.java:31)    at externaldatabaseconnector.impl.ResultSetReader.<init>(ResultSetReader.java:24)    at externaldatabaseconnector.impl.JdbcConnector.executeQuery(JdbcConnector.java:59)    at externaldatabaseconnector.actions.ExecuteQuery.executeAction(ExecuteQuery.java:59)    at externaldatabaseconnector.actions.ExecuteQuery.executeAction(ExecuteQuery.java:22)    at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:58)    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.java:57)    at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:104)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:103)    at com.mendix.basis.actionmanagement.UserActionCallBuilderImpl.execute(UserActionCallBuilderImpl.scala:59)    at com.mendix.modules.microflowengine.actions.actioncall.ForegroundJavaAction.doExecute(ForegroundJavaAction.scala:35)    at com.mendix.modules.microflowengine.actions.actioncall.ForegroundJavaAction.doExecute(ForegroundJavaAction.scala:11)    at com.mendix.modules.microflowengine.actions.actioncall.JavaAction.execute(JavaAction.scala:38)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.$anonfun$execute$1(MicroflowObject.scala:31)    at scala.Option.flatMap(Option.scala:283)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.scala:28)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.scala:176)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.scala:116)    at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:58)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:71)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:48)    at com.mendix.core.actionmanagement.internal.InternalCoreAction.call(InternalCoreAction.java:57)    at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:104)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:103)    at com.mendix.basis.actionmanagement.MicroflowCallBuilderImpl.execute(MicroflowCallBuilderImpl.scala:64)    at com.mendix.webui.actions.client.RetrieveAction.retrieveAllByMicroflow(RetrieveAction.scala:111)    at com.mendix.webui.actions.client.RetrieveAction.retrieveData(RetrieveAction.scala:70)    at com.mendix.webui.actions.client.RetrieveAction.apply(RetrieveAction.scala:43)    at com.mendix.webui.actions.client.RuntimeOperationAction.$anonfun$retrieve$1(RuntimeOperationAction.scala:86)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$.$anonfun$liftEither$1(RegularClientAction.scala:30)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.$anonfun$apply$4(RegularClientAction.scala:56)    at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:46)    at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:43)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.withState(RegularClientAction.scala:46)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:54)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:46)    at com.mendix.webui.actions.client.RuntimeOperationAction.retrieve(RuntimeOperationAction.scala:89)    at com.mendix.webui.actions.client.RuntimeOperationAction.apply(RuntimeOperationAction.scala:68)    at com.mendix.webui.actions.client.RuntimeOperationAction.apply(RuntimeOperationAction.scala:25)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$.$anonfun$liftEither$1(RegularClientAction.scala:30)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:120)    at scala.util.Try$.apply(Try.scala:210)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2(RegularClientAction.scala:120)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2$adapted(RegularClientAction.scala:118)    at com.mendix.webui.requesthandling.helpers.ContextHandling.$anonfun$inContext$7(ContextHandling.scala:59)    at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)    at com.mendix.basis.actionmanagement.ActionMonitoring$.$anonfun$monitor$1(ActionMonitoring.scala:52)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionMonitoring$.monitor(ActionMonitoring.scala:52)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:59)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:33)    at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:94)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:30)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:22)    at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:94)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:118)    at scala.runtime.java8.JFunction0$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:94)    at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:115)    at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:95)    at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:68)    at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:37)    at com.mendix.external.connector.MxRuntimeConnector.$anonfun$processRequest$1(MxRuntimeConnector.scala:54)    at com.mendix.external.connector.MxRuntimeConnector.$anonfun$processRequest$1$adapted(MxRuntimeConnector.scala:54)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.scala:54)    at com.mendix.basis.impl.MxRuntimeImpl.processRequest(MxRuntimeImpl.scala:513)    at com.mendix.m2ee.appcontainer.server.handler.RuntimeServlet.service(RuntimeServlet.scala:40)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)    at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)    at org.eclipse.jetty.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:170)    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)    at org.eclipse.jetty.server.Server.handle(Server.java:563)    at org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)    at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)    at java.base/java.lang.Thread.run(Thread.java:829)

asked 2024-05-22

1 answers