We are having trouble getting the alarm status table in vision to work, any assistance is greatly appreciated:
Ignition 8.1.30 running on Windows Server
Alarm Status Table has error on alarmEvents = Error_IO
More information...
system.alarm.queryStatus() throws the following error:
Java Traceback:
Traceback (most recent call last):
File "<input>", line 1, in <module>
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.newGatewayException(GatewayInterface.java:360)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:334)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:287)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.invoke(GatewayInterface.java:967)
at com.inductiveautomation.ignition.client.script.ClientAlarmUtilities.queryStatusImpl(ClientAlarmUtilities.java:41)
at com.inductiveautomation.ignition.common.script.builtin.AbstractAlarmUtilities.queryStatus(AbstractAlarmUtilities.java:81)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
com.inductiveautomation.ignition.client.gateway_interface.GatewayException: com.inductiveautomation.ignition.client.gateway_interface.GatewayException: Error executing gateway function.
at org.python.core.Py.JavaError(Py.java:547)
at com.inductiveautomation.ignition.common.script.builtin.AbstractAlarmUtilities.queryStatus(AbstractAlarmUtilities.java:83)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.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 com.inductiveautomation.ignition.common.script.ScriptManager$ReflectedInstanceFunction.__call__(ScriptManager.java:552)
at org.python.core.PyObject.__call__(PyObject.java:400)
at org.python.pycode._pyx28.f$0(<input>:1)
at org.python.pycode._pyx28.call_function(<input>)
at org.python.core.PyTableCode.call(PyTableCode.java:173)
at org.python.core.PyCode.call(PyCode.java:18)
at org.python.core.Py.runCode(Py.java:1687)
at org.python.core.Py.exec(Py.java:1731)
at org.python.util.PythonInterpreter.exec(PythonInterpreter.java:277)
at org.python.util.InteractiveInterpreter.runcode(InteractiveInterpreter.java:130)
at com.inductiveautomation.ignition.designer.gui.tools.jythonconsole.JythonConsole$ConsoleWorker.doInBackground(JythonConsole.java:626)
at com.inductiveautomation.ignition.designer.gui.tools.jythonconsole.JythonConsole$ConsoleWorker.doInBackground(JythonConsole.java:614)
at java.desktop/javax.swing.SwingWorker$1.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.desktop/javax.swing.SwingWorker.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: com.inductiveautomation.ignition.client.gateway_interface.GatewayException: Error executing gateway function.
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.newGatewayException(GatewayInterface.java:360)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:334)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:287)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.invoke(GatewayInterface.java:967)
at com.inductiveautomation.ignition.client.script.ClientAlarmUtilities.queryStatusImpl(ClientAlarmUtilities.java:41)
at com.inductiveautomation.ignition.common.script.builtin.AbstractAlarmUtilities.queryStatus(AbstractAlarmUtilities.java:81)
... 23 more
Caused by: java.lang.NullPointerException
at com.inductiveautomation.ignition.client.gateway_interface.ResponseParser.startElement(ResponseParser.java:361)
at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.getResponse(GatewayInterface.java:498)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:292)
... 27 more
Traceback (most recent call last):
File "<input>", line 1, in <module>
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.newGatewayException(GatewayInterface.java:360)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:334)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:287)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.invoke(GatewayInterface.java:967)
at com.inductiveautomation.ignition.client.script.ClientAlarmUtilities.queryStatusImpl(ClientAlarmUtilities.java:41)
at com.inductiveautomation.ignition.common.script.builtin.AbstractAlarmUtilities.queryStatus(AbstractAlarmUtilities.java:81)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
com.inductiveautomation.ignition.client.gateway_interface.GatewayException: com.inductiveautomation.ignition.client.gateway_interface.GatewayException: Error executing gateway function.
We recently just had this error but was able to fix it by restarting the gateway. Would also like to know as well what's the cause of this?