Dan, thank you for the reply. I did what you advised and the error messages did not stop flowing. I have uninstalled the MQTT Transmission module and they are still coming! See below:
Full text of one of those errors is below.
java.util.concurrent.RejectedExecutionException: event executor terminated
at org.python.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:926)
at org.python.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:353)
at org.python.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:346)
at org.python.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:828)
at org.python.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:818)
at org.python.netty.channel.AbstractChannel$AbstractUnsafe.register(AbstractChannel.java:471)
at org.python.netty.channel.SingleThreadEventLoop.register(SingleThreadEventLoop.java:87)
at org.python.netty.channel.SingleThreadEventLoop.register(SingleThreadEventLoop.java:81)
at org.python.netty.channel.MultithreadEventLoopGroup.register(MultithreadEventLoopGroup.java:86)
at org.python.netty.bootstrap.AbstractBootstrap.initAndRegister(AbstractBootstrap.java:315)
at org.python.netty.bootstrap.AbstractBootstrap.doBind(AbstractBootstrap.java:264)
at org.python.netty.bootstrap.AbstractBootstrap.bind(AbstractBootstrap.java:260)
at jdk.internal.reflect.GeneratedMethodAccessor313.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:190)
at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:208)
at org.python.core.PyObject.__call__(PyObject.java:477)
at org.python.core.PyObject.__call__(PyObject.java:481)
at org.python.core.PyMethod.__call__(PyMethod.java:141)
at _socket$py._connect$79(C:/Program Files/Inductive Automation/Ignition/user-lib/pylib/_socket.py:912)
at _socket$py.call_function(C:/Program Files/Inductive Automation/Ignition/user-lib/pylib/_socket.py)
at org.python.core.PyTableCode.call(PyTableCode.java:173)
at org.python.core.PyBaseCode.call(PyBaseCode.java:150)
at org.python.core.PyFunction.__call__(PyFunction.java:426)
at org.python.core.PyMethod.__call__(PyMethod.java:141)
at _socket$py.connect$82(C:/Program Files/Inductive Automation/Ignition/user-lib/pylib/_socket.py:938)
at _socket$py.call_function(C:/Program Files/Inductive Automation/Ignition/user-lib/pylib/_socket.py)
at org.python.core.PyTableCode.call(PyTableCode.java:173)
at org.python.core.PyBaseCode.call(PyBaseCode.java:306)
at org.python.core.PyBaseCode.call(PyBaseCode.java:197)
at org.python.core.PyFunction.__call__(PyFunction.java:485)
at org.python.core.PyMethod.instancemethod___call__(PyMethod.java:237)
at org.python.core.PyMethod.__call__(PyMethod.java:228)
at org.python.core.PyMethod.__call__(PyMethod.java:223)
at org.python.core.PyObject._callextra(PyObject.java:589)
at _socket$py.meth$121(C:/Program Files/Inductive Automation/Ignition/user-lib/pylib/_socket.py:1443)
at _socket$py.call_function(C:/Program Files/Inductive Automation/Ignition/user-lib/pylib/_socket.py)
at org.python.core.PyTableCode.call(PyTableCode.java:173)
at org.python.core.PyBaseCode.call(PyBaseCode.java:306)
at org.python.core.PyFunction.function___call__(PyFunction.java:474)
at org.python.core.PyFunction.__call__(PyFunction.java:469)
at org.python.core.PyFunction.__call__(PyFunction.java:464)
at org.python.modules._functools.PyPartial.partial___call__(PyPartial.java:125)
at org.python.modules._functools.PyPartial.__call__(PyPartial.java:80)
at org.python.core.PyObject.__call__(PyObject.java:477)
at org.python.core.PyObject.__call__(PyObject.java:481)
at org.python.core.PyMethod.__call__(PyMethod.java:141)
at org.python.pycode._pyx40331.valueChanged$1(:365)
at org.python.pycode._pyx40331.call_function()
at org.python.core.PyTableCode.call(PyTableCode.java:173)
at org.python.core.PyBaseCode.call(PyBaseCode.java:306)
at org.python.core.PyFunction.function___call__(PyFunction.java:474)
at org.python.core.PyFunction.__call__(PyFunction.java:469)
at org.python.core.PyFunction.__call__(PyFunction.java:464)
at com.inductiveautomation.ignition.common.script.ScriptManager.runFunction(ScriptManager.java:847)
at com.inductiveautomation.ignition.common.script.ScriptManager.runFunction(ScriptManager.java:829)
at com.inductiveautomation.ignition.gateway.project.ProjectScriptLifecycle$TrackingProjectScriptManager.runFunction(ProjectScriptLifecycle.java:852)
at com.inductiveautomation.ignition.gateway.tags.scripting.TagScriptManagerImpl$FunctionInvokerImpl.run(TagScriptManagerImpl.java:533)
at com.inductiveautomation.ignition.gateway.tags.scripting.events.AbstractTagScript.invoke(AbstractTagScript.java:34)
at com.inductiveautomation.ignition.gateway.tags.scripting.TagScriptManagerImpl$Task.invoke(TagScriptManagerImpl.java:482)
at com.inductiveautomation.ignition.gateway.tags.scripting.TagScriptManagerImpl$TagScriptDispatcher.run(TagScriptManagerImpl.java:445)
at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$ThrowableCatchingRunnable.run(BasicExecutionEngine.java:544)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
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)
In the meantime I have gone through and set these specific log messages to ‘OFF’ in the settings. We were getting what felt like hundreds of these a minute, even causing the SQLite logging database to max out and throw its own set of errors.