error while establishing a connection with OPC-UA server

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com.mendix.systemwideinterfaces.MendixRuntimeException: org.eclipse.milo.opcua.stack.core.UaRuntimeException     at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:156) Caused by: org.eclipse.milo.opcua.stack.core.UaRuntimeException     at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:30) Caused by: null     at org.eclipse.milo.opcua.stack.core.types.builtin.NodeId.parse(NodeId.java:410)     at org.eclipse.milo.opcua.stack.core.types.builtin.NodeId.parse(NodeId.java:371)     at opcuaclientmx.actions.OpcUaRead.executeAction(OpcUaRead.java:49)     at opcuaclientmx.actions.OpcUaRead.executeAction(OpcUaRead.java:25)     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$1.execute(ActionManagerBase.java:147)     at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:26)     at com.mendix.basis.actionmanagement.ActionManagerBase.executeSync(ActionManagerBase.java:152)     at com.mendix.basis.actionmanagement.UserActionCallBuilderImpl.execute(UserActionCallBuilderImpl.scala:30)     at com.mendix.modules.microflowengine.actions.actioncall.JavaAction.execute(JavaAction.scala:56)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.$anonfun$execute$1(MicroflowObject.scala:32)     at scala.Option.flatMap(Option.scala:283)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.scala:29)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.$anonfun$executeAfterBreakingIfNecessary$2(MicroflowImpl.scala:172)     at scala.Option.flatMap(Option.scala:283)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.scala:172)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.scala:119)     at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:46)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:71)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:49)     at com.mendix.core.actionmanagement.CoreAction.call(CoreAction.java:54)     at com.mendix.basis.actionmanagement.DefaultActionMonitor$.$anonfun$run$1(CustomMonitoredAction.scala:18)     at com.mendix.basis.actionmanagement.IMonitoredAction$$anon$1.execute(IMonitoredAction.scala:47)     at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:26)     at com.mendix.basis.actionmanagement.IMonitoredAction.monitor(IMonitoredAction.scala:49)     at com.mendix.basis.actionmanagement.IMonitoredAction.monitor$(IMonitoredAction.scala:25)     at com.mendix.basis.actionmanagement.CustomMonitoredAction.monitor(CustomMonitoredAction.scala:22)     at com.mendix.basis.actionmanagement.DefaultActionMonitor$.run(CustomMonitoredAction.scala:18)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.runMonitoredAction(CoreActionHandlerImpl.scala:60)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:47)     at com.mendix.core.actionmanagement.CoreAction.call(CoreAction.java:54)     at com.mendix.basis.actionmanagement.ActionManager.$anonfun$execute$1(ActionManager.scala:118)     at scala.concurrent.Future$.$anonfun$apply$1(Future.scala:671)     at scala.concurrent.impl.Promise$Transformation.run(Promise.scala:430)     at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)     at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)     at java.base/java.lang.Thread.run(Thread.java:834)  
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1 answers
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You are trying to use an empty value in an OPC Read action. It looks like the the NodeID field. I would put a breakpoint on this action, and inspect the values you are passing in to ensure both NodeID and OPC UA Server config are not empty.


Hope this helps, good luck!

answered