Starting the runtime failed. An unknown error occured. After Update to Mendix 8.2

3
Hello, after updating from Mendix Version 8.1 to 8.2 my Application wont start anymore. The error is M2EE. Log:  com.mendix.m2ee.api.AdminException: An error occurred while initializing the Runtime: null     at com.mendix.basis.impl.MxRuntimeImpl.start(MxRuntimeImpl.java:423) Caused by: java.lang.NullPointerException: null     at com.mendix.connectionbus.modelsynchronization.renderers.ChangeRenderer.createColumn(ChangeRenderer.java:349)     at com.mendix.connectionbus.modelsynchronization.renderers.ChangeRenderer.renderCreateOrUpdateColumns(ChangeRenderer.java:272)     at com.mendix.connectionbus.modelsynchronization.renderers.ChangeRenderer.renderCreatesOrUpdates(ChangeRenderer.java:135)     at com.mendix.connectionbus.modelsynchronization.renderers.ChangeRenderer.getSqlCommands(ChangeRenderer.java:62)     at com.mendix.connectionbus.modelsynchronization.ModelSynchronizationUpdater.analyzeAndRender(ModelSynchronizationUpdater.java:121)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.analyzeMappingModel(SynchronizationManager.scala:243)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.analyzeModel(SynchronizationManager.scala:233)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.analyzeCurrentDatabase(SynchronizationManager.scala:149)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.$anonfun$stateMachine$3(SynchronizationManager.scala:83)     at com.mendix.connectionbus.modelsynchronization.SimpleStateMachine$SimpleStateMachine.effect(SynchronizationManager.scala:57)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.analyzeCopying(SynchronizationManager.scala:190)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.$anonfun$stateMachine$2(SynchronizationManager.scala:82)     at com.mendix.connectionbus.modelsynchronization.SimpleStateMachine$SimpleStateMachine.effect(SynchronizationManager.scala:57)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.analyzeSourceStructureForCopy(SynchronizationManager.scala:158)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.$anonfun$stateMachine$1(SynchronizationManager.scala:81)     at com.mendix.connectionbus.modelsynchronization.SimpleStateMachine$SimpleStateMachine.effect(SynchronizationManager.scala:57)     at com.mendix.connectionbus.modelsynchronization.SynchronizationManager.analyze(SynchronizationManager.scala:139)     at com.mendix.connectionbus.ConnectionBusImpl.collectDatabaseSynchronizationInformation(ConnectionBusImpl.java:359)     at com.mendix.basis.impl.MxRuntimeImpl.initializeConnectionBusAnyway(MxRuntimeImpl.java:500)     at com.mendix.basis.impl.MxRuntimeImpl.start(MxRuntimeImpl.java:402)     at com.mendix.m2ee.appcontainer.actions.StartAction.startRuntime(StartAction.java:49)     at com.mendix.m2ee.appcontainer.actions.StartAction.execute(StartAction.java:30)     at com.mendix.m2ee.appcontainer.server.handler.HttpAdminHandler.handle(HttpAdminHandler.java:129)     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)   I would really appreciate some help.  
asked
1 answers
0

try to find what is the latest change in your domain model 
like some attribute name  or an association 
you should change it to another name

or if you are working in you local with oracle database or sql 
try to create other user in data base the run the project 
it will sync again without error

answered