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  Hi, I encountered this error while using Change object action in a microflow. Stack trace: Starting Mendix Runtime failed. -------- com.mendix.m2ee.api.AdminException: Starting Mendix Runtime failed.     at com.mendix.basis.impl.MxRuntimeImplBase.fireZeMissiles(MxRuntimeImplBase.java:565) Caused by: com.mendix.m2ee.api.AdminException: An error occurred while initializing modules     at com.mendix.basis.impl.MxRuntimeImplBase.initializeModules(MxRuntimeImplBase.java:727) Caused by: java.lang.NullPointerException: null     at com.mendix.languages.mxexpressions.MxExpressionParser.exitEnumerationValue(MxExpressionParser.scala:35)     at com.mendix.languages.parsers.MxExpressionsParser$EnumerationValueContext.exitRule(MxExpressionsParser.java:237)     at org.antlr.v4.runtime.tree.ParseTreeWalker.exitRule(ParseTreeWalker.java:47)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:30)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at org.antlr.v4.runtime.tree.ParseTreeWalker.walk(ParseTreeWalker.java:28)     at com.mendix.languages.ASTBuilder$.buildAST(ASTBuilder.scala:22)     at com.mendix.languages.mxexpressions.MxExpressionParser.parse(MxExpressionParser.scala:21)     at com.mendix.languages.mxexpressions.MxExpressionASTBuilder$.buildMxExpressionAST(MxExpressionASTBuilder.scala:12)     at com.mendix.languages.LanguageParser$.parseMxExpression(LanguageParser.scala:33)     at com.mendix.languages.LanguageParser$.parseMxExpression(LanguageParser.scala:27)     at com.mendix.languages.LanguageParser.parseMxExpression(LanguageParser.scala)     at com.mendix.modules.microflowengine.actions.impl.CoreMicroflowActionFactory.createChangeItems(CoreMicroflowActionFactory.java:269)     at com.mendix.modules.microflowengine.actions.impl.CoreMicroflowActionFactory.createChangeAction(CoreMicroflowActionFactory.java:251)     at com.mendix.modules.microflowengine.actions.impl.CoreMicroflowActionFactory.createMicroflowAction(CoreMicroflowActionFactory.java:128)     at com.mendix.modules.microflowengine.actions.impl.MicroflowActionRegistry.createMicroflowAction(MicroflowActionRegistry.scala:28)     at com.mendix.modules.microflowengine.actions.impl.MicroflowActionBuilder.createMicroflowAction(MicroflowActionBuilder.java:56)     at com.mendix.modules.microflowengine.microflowstructure.MicroflowStructureFactory.processActivity(MicroflowStructureFactory.java:250)     at com.mendix.modules.microflowengine.microflowstructure.MicroflowStructureFactory.createMicroflowStructure(MicroflowStructureFactory.java:133)     at com.mendix.modules.microflowengine.internal.MicroflowEngineModuleImpl.$anonfun$reload$2(MicroflowEngineModuleImpl.scala:40)     at scala.collection.Iterator$$anon$9.next(Iterator.scala:575)     at scala.collection.mutable.Growable.addAll(Growable.scala:62)     at scala.collection.mutable.Growable.addAll$(Growable.scala:59)     at scala.collection.mutable.HashMap.addAll(HashMap.scala:111)     at scala.collection.mutable.HashMap$.from(HashMap.scala:549)     at scala.collection.mutable.HashMap$.from(HashMap.scala:542)     at scala.collection.MapFactory$Delegate.from(Factory.scala:425)     at scala.collection.MapOps$WithFilter.map(Map.scala:352)     at com.mendix.modules.microflowengine.internal.MicroflowEngineModuleImpl.reload(MicroflowEngineModuleImpl.scala:39)     at com.mendix.basis.impl.MxRuntimeImplBase.initializeModules(MxRuntimeImplBase.java:722)     at com.mendix.basis.impl.MxRuntimeImplBase.doFire(MxRuntimeImplBase.java:576)     at com.mendix.basis.impl.MxRuntimeImplBase.fireZeMissiles(MxRuntimeImplBase.java:562)     at com.mendix.basis.impl.MxRuntimeImplBase.start(MxRuntimeImplBase.java:344)     at com.mendix.m2ee.appcontainer.actions.StartAction.startRuntime(StartAction.java:48)     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:127)     at org.eclipse.jetty.server.Server.handle(Server.java:501)     at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:272)     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)     at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$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)       This is my microflow:

asked 2020-12-23

2 answers