Hello!
We are trying to do a query to the Tag Historian as follows:
table1=system.tag.queryTagHistory(paths=total_paths,startDate= startTime, endDate=endTime, returnSize=0, aggregationMode='Average', returnFormat='Wide',intervalMinutes =10)
Where total_paths is a list consisting of 6000 paths. When the query is executed, after a while this exception is thrown:
Caused by: com.inductiveautomation.ignition.client.gateway_interface.GatewayException: Unable to read response from Gateway.
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.newGatewayException(GatewayInterface.java:351)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.getResponse(GatewayInterface.java:474)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:283)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.runTagHistoryQuery(GatewayInterface.java:769)
at com.inductiveautomation.ignition.client.script.ClientTagUtilities.queryTagHistoryImpl(ClientTagUtilities.java:320)
at com.inductiveautomation.ignition.common.script.builtin.AbstractTagUtilities.queryTagHistory(AbstractTagUtilities.java:565)
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:188)
... 28 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 5966; columnNumber: 11; The end-tag for element type "Response" must end with a '>' delimiter.
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:472)
... 37 more
Traceback (most recent call last):
File "<input>", line 34, in <module>
File "<input>", line 25, in exportExcelString
File "<input>", line 21, in query
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.newGatewayException(GatewayInterface.java:351)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.getResponse(GatewayInterface.java:474)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:283)
at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.runTagHistoryQuery(GatewayInterface.java:769)
at com.inductiveautomation.ignition.client.script.ClientTagUtilities.queryTagHistoryImpl(ClientTagUtilities.java:320)
at com.inductiveautomation.ignition.common.script.builtin.AbstractTagUtilities.queryTagHistory(AbstractTagUtilities.java:565)
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: Unable to read response from Gateway.
Any clue on what is causing this? I have seen other posts with similar problems but I didn’t get a clear solution.
Thank you in advance