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Hi All, I have recently updated my application from 6.10.9 to 7.5.1 and am now experiencing this error in the console when running a microflow which commits a new row to the database and then shows a page: org.codehaus.jackson.JsonGenerationException: Can not write a field name, expecting a value at org.codehaus.jackson.impl.JsonGeneratorBase._reportError(JsonGeneratorBase.java:480) at org.codehaus.jackson.impl.WriterBasedGenerator.writeFieldName(WriterBasedGenerator.java:195) at com.mendix.webui.jsonserialization.JsonGeneratorWrapper$$anonfun$writeFieldName$1.apply(JsonGeneratorWrapper.scala:43) at com.mendix.webui.jsonserialization.JsonGeneratorWrapper$$anonfun$writeFieldName$1.apply(JsonGeneratorWrapper.scala:43) at scala.collection.immutable.List.foreach(List.scala:381) at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35) at scala.collection.mutable.ListBuffer.foreach(ListBuffer.scala:45) at com.mendix.webui.jsonserialization.JsonGeneratorWrapper.writeFieldName(JsonGeneratorWrapper.scala:43) at com.mendix.webui.jsonserialization.FeedbackSerializer$.serializeFeedback(FeedbackSerializer.scala:17) at com.mendix.webui.jsonserialization.ResultSerializer.serializeFeedback(ResultSerializer.scala:50) at com.mendix.webui.requesthandling.FeedbackHandling$class.processFeedback(FeedbackHandling.scala:54) at com.mendix.webui.requesthandling.ClientRequestHandler.processFeedback(ClientRequestHandler.scala:36) at com.mendix.webui.requesthandling.ClientRequestHandler$$anonfun$handleRequest$1.apply$mcV$sp(ClientRequestHandler.scala:359) at com.mendix.webui.requesthandling.ClientRequestHandler$$anonfun$handleRequest$1.apply(ClientRequestHandler.scala:300) at com.mendix.webui.requesthandling.ClientRequestHandler$$anonfun$handleRequest$1.apply(ClientRequestHandler.scala:300) at com.mendix.basis.actionmanagement.IMonitoredAction$$anon$1.execute(IMonitoredAction.scala:47) at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:33) at com.mendix.basis.actionmanagement.IMonitoredAction$class.monitor(IMonitoredAction.scala:49) at com.mendix.webui.requesthandling.ClientRequestHandler$ClientMonitoredAction.monitor(ClientRequestHandler.scala:417) at com.mendix.webui.requesthandling.ClientRequestHandler.handleRequest(ClientRequestHandler.scala:300) at com.mendix.webui.requesthandling.ClientRequestHandler.handleActionWithSessionRequired(ClientRequestHandler.scala:238) at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:205) at com.mendix.webui.requesthandling.ClientRequestHandler.liftedTree1$1(ClientRequestHandler.scala:104) at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:96) at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:40) at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:70) at com.mendix.external.connector.MxRuntimeConnector$1.execute(MxRuntimeConnector.java:67) at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:33) at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.java:73) at com.mendix.basis.impl.MxRuntimeImpl.processRequest(MxRuntimeImpl.java:875) at com.mendix.m2ee.appcontainer.server.handler.RuntimeHandler.handle(RuntimeHandler.java:41) at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:368) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:953) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) at java.lang.Thread.run(Thread.java:745)   I've upgraded the widgets on both the page used for the commit and the page being shown after it.   Any help is greatly appreciated.

asked 2017-09-22

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