I recently started getting the following error in my v8.1.35 gateway log:
java.lang.IllegalArgumentException: missing event subscriber for an annotated method. Is com.inductiveautomation.ignition.gateway.script.GatewaySystemUtilities@1d069735 registered?
at com.google.common.eventbus.SubscriberRegistry.unregister(SubscriberRegistry.java:109)
at com.google.common.eventbus.EventBus.unregister(EventBus.java:254)
at com.inductiveautomation.ignition.gateway.project.ProjectScriptManager.unregisterEventBus(ProjectScriptManager.java:107)
at com.inductiveautomation.ignition.gateway.project.ProjectScriptLifecycle.createScriptConfig(ProjectScriptLifecycle.java:269)
at com.inductiveautomation.ignition.gateway.project.ProjectScriptLifecycle.startupScriptConfig(ProjectScriptLifecycle.java:235)
at com.inductiveautomation.ignition.gateway.project.ProjectScriptLifecycle.restartScriptConfig(ProjectScriptLifecycle.java:231)
at com.inductiveautomation.ignition.gateway.project.ProjectScriptLifecycle.onResourcesModified(ProjectScriptLifecycle.java:733)
at com.inductiveautomation.ignition.gateway.project.ProjectLifecycle$LifecycleResourceListener.resourcesModified(ProjectLifecycle.java:176)
at com.inductiveautomation.ignition.common.project.AbstractProject.notifyResourceListeners(AbstractProject.java:351)
at com.inductiveautomation.ignition.common.project.AbstractProject.updateEffectiveState(AbstractProject.java:153)
at com.inductiveautomation.ignition.common.project.RuntimeProject.applyChange(RuntimeProject.java:274)
at com.inductiveautomation.ignition.gateway.project.ProjectLifecycleFactory$1.lambda$updateOrStartAffectedProjects$5(ProjectLifecycleFactory.java:185)
at java.base/java.util.ArrayList.forEach(Unknown Source)
at com.inductiveautomation.ignition.gateway.project.ProjectLifecycleFactory$1.updateOrStartAffectedProjects(ProjectLifecycleFactory.java:165)
at com.inductiveautomation.ignition.gateway.project.ProjectLifecycleFactory$1.projectUpdated(ProjectLifecycleFactory.java:143)
at com.inductiveautomation.ignition.gateway.project.BaseProjectManager.doProjectUpdatedNotification(BaseProjectManager.java:1055)
at com.inductiveautomation.ignition.gateway.project.BaseProjectManager.lambda$fireProjectUpdated$25(BaseProjectManager.java:1005)
at com.inductiveautomation.ignition.gateway.project.BaseProjectManager.lambda$submitToQueue$22(BaseProjectManager.java:983)
at com.inductiveautomation.ignition.common.util.ExecutionQueue$PollAndExecute.run(ExecutionQueue.java:239)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
The symptoms of this problem is I can update the Perspective projects gateway code and the session does not get the updated code. However, if I run the gateway code from a designer console the new code executes correctly.
Any ideas what causes this problem and how do I fix it?
How can the session run a different set of code then what is on the gateway?