# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=14 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 15 --- ## [System.alarm.acknowledge() consistently throws TypeError: cannot compare sets using cmp() in Perspective Session](https://forum.inductiveautomation.com/t/system-alarm-acknowledge-consistently-throws-typeerror-cannot-compare-sets-using-cmp-in-perspective-session/116813)
**Author:** [@m\_tanaka](https://forum.inductiveautomation.com/u/m_tanaka)\ **Replies:** 1\ **Last updated:** [August 18, 2026, 4:45pm UTC](https://forum.inductiveautomation.com/t/system-alarm-acknowledge-consistently-throws-typeerror-cannot-compare-sets-using-cmp-in-perspective-session/116813 "2026-08-18T16:45:32Z")
Hello, I am running into an issue where calling system.alarm.acknowledge() from a Perspective button click script consistently throws the following Jython exception, and the alarm is not acknowledged: ''' (\ **Author:** [@Benjamin\_Furlani](https://forum.inductiveautomation.com/u/Benjamin_Furlani)\ **Replies:** 6\ **Last updated:** [August 18, 2026, 3:47pm UTC](https://forum.inductiveautomation.com/t/store-and-forward-named-query-usage/116819 "2026-08-18T15:47:28Z") I am feeling like a crazy person today. Why can you use an unsecure prep query to send off to store and forward (i.e runSFPrepUpdate), but cannot use a named query to do the same? --- ## [Easy Chart Dates Autopopulating wrong?](https://forum.inductiveautomation.com/t/easy-chart-dates-autopopulating-wrong/116818)
**Author:** [@Randolph\_Sewell](https://forum.inductiveautomation.com/u/Randolph_Sewell)\ **Replies:** 3\ **Last updated:** [August 18, 2026, 1:58pm UTC](https://forum.inductiveautomation.com/t/easy-chart-dates-autopopulating-wrong/116818 "2026-08-18T13:58:39Z")
It appears the dates on the Powerchart are populating out of order? It's just the labels that are wrong if I use the X-Trace it shows teh correct date and time. Depending on the date range like if I change it to just … --- ## [MariaDB Galera Cluster](https://forum.inductiveautomation.com/t/mariadb-galera-cluster/116817)
**Author:** [@tgarrison](https://forum.inductiveautomation.com/u/tgarrison)\ **Replies:** 1\ **Last updated:** [August 18, 2026, 12:49pm UTC](https://forum.inductiveautomation.com/t/mariadb-galera-cluster/116817 "2026-08-18T12:49:24Z")
Did some forum searching, and it's been a long time since there were any posts about this. Anyone out there using MariaDB Galera Cluster with redundant gateways? Looking at options for native (dB handled) replication. … --- ## [OPC UA Server: Failed to bind endpoint (Error during server startup)](https://forum.inductiveautomation.com/t/opc-ua-server-failed-to-bind-endpoint-error-during-server-startup/116774)
**Author:** [@paralisanmherwin12](https://forum.inductiveautomation.com/u/paralisanmherwin12)\ **Replies:** 3\ **Last updated:** [August 18, 2026, 12:18am UTC](https://forum.inductiveautomation.com/t/opc-ua-server-failed-to-bind-endpoint-error-during-server-startup/116774 "2026-08-18T00:18:52Z")
I just downloaded Ignition Maker and I immediately encountered an error regarding OPC UA Connections. The server couldn't connect. Is there anyone experienced this kind of error? Can anyone walk me through on how to trou… --- ## [Ignition redundancy url switch](https://forum.inductiveautomation.com/t/ignition-redundancy-url-switch/116808)
**Author:** [@Andrew\_Lin](https://forum.inductiveautomation.com/u/Andrew_Lin)\ **Replies:** 6\ **Last updated:** [August 17, 2026, 8:10pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy-url-switch/116808 "2026-08-17T20:10:46Z")
i am currently on ignition 8.3 (upgraded from 8.1) when i am doing redundancy testing and i do a switchover for some reason my screens (perspective) i have opened does not change to the other node. i have to manually up… --- ## [Strange Ruler Glitch / Bug?](https://forum.inductiveautomation.com/t/strange-ruler-glitch-bug/116811)
**Author:** [@Lackluster\_Engineer](https://forum.inductiveautomation.com/u/Lackluster_Engineer)\ **Replies:** 0\ **Last updated:** [August 17, 2026, 7:27pm UTC](https://forum.inductiveautomation.com/t/strange-ruler-glitch-bug/116811 "2026-08-17T19:27:43Z")
Strange bug that happened after saving to the designer. An error popped up once saying the designer could not save session props. Now the side ruler / margin measurer is in the middle of the screen and all views are now … --- ## [Transaction Groups Disabling Themselves After Gateway Restart](https://forum.inductiveautomation.com/t/transaction-groups-disabling-themselves-after-gateway-restart/116806)
**Author:** [@Matthew\_Karee](https://forum.inductiveautomation.com/u/Matthew_Karee)\ **Replies:** 4\ **Last updated:** [August 17, 2026, 4:16pm UTC](https://forum.inductiveautomation.com/t/transaction-groups-disabling-themselves-after-gateway-restart/116806 "2026-08-17T16:16:56Z")
I have two different projects which use transaction groups. I have had to restart my Ignition gateway a handful of times over the past few months. I have noticed that after restarting the gateway, the transaction groups… --- ## [Any way to change project Name?](https://forum.inductiveautomation.com/t/any-way-to-change-project-name/116748)
**Author:** [@aymen.mehrez.ca](https://forum.inductiveautomation.com/u/aymen.mehrez.ca)\ **Replies:** 3\ **Last updated:** [August 17, 2026, 2:57pm UTC](https://forum.inductiveautomation.com/t/any-way-to-change-project-name/116748 "2026-08-17T14:57:27Z")
I named the project at first Test and now its path is stuck at /perspective/client/Test Is there a way i can change it, i know its read only in the settings and i can only change the project title but is there a way to … --- ## [Is using an ORM like Hibernate recommended in a Gateway module?](https://forum.inductiveautomation.com/t/is-using-an-orm-like-hibernate-recommended-in-a-gateway-module/116802)
**Author:** [@rockson.agyeman](https://forum.inductiveautomation.com/u/rockson.agyeman)\ **Replies:** 4\ **Last updated:** [August 17, 2026, 1:46pm UTC](https://forum.inductiveautomation.com/t/is-using-an-orm-like-hibernate-recommended-in-a-gateway-module/116802 "2026-08-17T13:46:40Z")
I'm building a Gateway-scoped module with a decent-sized relational domain model, and I'd like to use an ORM like Hibernate rather than hand-writing data access objects over SRConnection. I'd like some clarification on w… --- ## [Best way to display results of a SQL query?](https://forum.inductiveautomation.com/t/best-way-to-display-results-of-a-sql-query/116725)
**Author:** [@daniel.soderborg](https://forum.inductiveautomation.com/u/daniel.soderborg)\ **Replies:** 9\ **Last updated:** [August 17, 2026, 1:02pm UTC](https://forum.inductiveautomation.com/t/best-way-to-display-results-of-a-sql-query/116725 "2026-08-17T13:02:28Z")
I'm trying to display values from SQL queries but don't know what the best/most effective way to bind my result to the UI fields... Made an example in PP to show what I'm trying to do: Every query comes from the sam… --- ## [Use of Æ, Ø and Å in system.perspective.download](https://forum.inductiveautomation.com/t/use-of-ae-o-and-a-in-system-perspective-download/116527)
**Author:** [@Hans\_Olav\_Ronning](https://forum.inductiveautomation.com/u/Hans_Olav_Ronning)\ **Replies:** 6\ **Last updated:** [August 17, 2026, 6:16am UTC](https://forum.inductiveautomation.com/t/use-of-ae-o-and-a-in-system-perspective-download/116527 "2026-08-17T06:16:01Z")
I'm using a script for saving and storing the Alarm Journal to a file. The alarm journal contains the Norwegian letters æ, ø and å. I'm using the system.perspective.download-function to save the file, but I'm not able to… --- ## [Postgres JDBC 2nd Connection Class not found](https://forum.inductiveautomation.com/t/postgres-jdbc-2nd-connection-class-not-found/116654)
**Author:** [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\ **Replies:** 6\ **Last updated:** [August 16, 2026, 6:18pm UTC](https://forum.inductiveautomation.com/t/postgres-jdbc-2nd-connection-class-not-found/116654 "2026-08-16T18:18:45Z")
Got an odd possible bug. v8.1 to v8.3 conversion testing. Client has a PostgreSQL cluster with two distinct databases. Both URLs point at the same IP and port--just the DB name is different: jdbc:postgresql://a.b.c.… --- ## [One or two pages reports](https://forum.inductiveautomation.com/t/one-or-two-pages-reports/116719)
**Author:** [@Francisco.Mejia](https://forum.inductiveautomation.com/u/Francisco.Mejia)\ **Replies:** 7\ **Last updated:** [August 16, 2026, 3:03pm UTC](https://forum.inductiveautomation.com/t/one-or-two-pages-reports/116719 "2026-08-16T15:03:43Z")
What is the best one to create a report containing one or two pages of information with some tabular data perhaps. The report should look like an Invoice, Bill or Certificate of Analysis --- ## [Power Chart Annotations With Remote History Provider](https://forum.inductiveautomation.com/t/power-chart-annotations-with-remote-history-provider/116780)
**Author:** [@James.Sletten](https://forum.inductiveautomation.com/u/James.Sletten)\ **Replies:** 8\ **Last updated:** [August 16, 2026, 1:45pm UTC](https://forum.inductiveautomation.com/t/power-chart-annotations-with-remote-history-provider/116780 "2026-08-16T13:45:47Z")
Hello, I think I already know the answer to this, but I wanted to see if anyone has found a workaround. I have a distributed Ignition application with one backend gateway and one frontend gateway. The backend handles a… --- ## [Best Practices for PLC and SCADA Integration in Industrial Facilities](https://forum.inductiveautomation.com/t/best-practices-for-plc-and-scada-integration-in-industrial-facilities/116749)
**Author:** [@ad12jbtworld](https://forum.inductiveautomation.com/u/ad12jbtworld)\ **Replies:** 20\ **Last updated:** [August 16, 2026, 3:30am UTC](https://forum.inductiveautomation.com/t/best-practices-for-plc-and-scada-integration-in-industrial-facilities/116749 "2026-08-16T03:30:15Z")
I would like to hear practical recommendations for integrating PLC and SCADA systems in industrial facilities such as factories and warehouses. What should be considered during the early design stage to ensure reliable … --- ## [Siemens Enhanced Driver - Arrays for Booleans / DBX](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-arrays-for-booleans-dbx/116788)
**Author:** [@kyvski](https://forum.inductiveautomation.com/u/kyvski)\ **Replies:** 5\ **Last updated:** [August 15, 2026, 8:44pm UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-arrays-for-booleans-dbx/116788 "2026-08-15T20:44:08Z")
According to the docs here: "...a variation that resembles the syntax used in the TIA portal, with the addition of supporting arrays" The format, DB.\[DB\]X\[.BitNumber\]\[ArrayDimensions\] is listed And an explicit exa… --- ## [Janitza Modbus RTU (Information)](https://forum.inductiveautomation.com/t/janitza-modbus-rtu-information/116792)
**Author:** [@Matrix\_Engineering](https://forum.inductiveautomation.com/u/Matrix_Engineering)\ **Replies:** 1\ **Last updated:** [August 15, 2026, 5:02am UTC](https://forum.inductiveautomation.com/t/janitza-modbus-rtu-information/116792 "2026-08-15T05:02:34Z")
I've done a stack of Janitza meters to Ignition with no issue on modbus TCP, now having to do one with RTU. Have battled with it for a few hours with no joy, using a Moxa MB3170 as a protocol converter. Finally got ther… --- ## [Unalarmed tag displays as active and can't be cleared](https://forum.inductiveautomation.com/t/unalarmed-tag-displays-as-active-and-cant-be-cleared/116796)
**Author:** [@Chris\_Buehrer](https://forum.inductiveautomation.com/u/Chris_Buehrer)\ **Replies:** 0\ **Last updated:** [August 14, 2026, 7:23pm UTC](https://forum.inductiveautomation.com/t/unalarmed-tag-displays-as-active-and-cant-be-cleared/116796 "2026-08-14T19:23:34Z")
I have an alarm from two months ago that is showing as "Active,Acknowledged" on an Alarm Status component and it is not active. The DisplayPath is close to the tag path. It's possible I changed the name and that may be t… --- ## [Gateway Timer Script to enable udt instance within a time frame and then disable outside that](https://forum.inductiveautomation.com/t/gateway-timer-script-to-enable-udt-instance-within-a-time-frame-and-then-disable-outside-that/116791)
**Author:** [@brillian.teope](https://forum.inductiveautomation.com/u/brillian.teope)\ **Replies:** 6\ **Last updated:** [August 14, 2026, 4:49pm UTC](https://forum.inductiveautomation.com/t/gateway-timer-script-to-enable-udt-instance-within-a-time-frame-and-then-disable-outside-that/116791 "2026-08-14T16:49:10Z")
Can Anyone help on checking if the script is correct, I have been struggling to make it work. below is the script. I wanted to enable multiple udt instances from 6:00am-7:00pm daily and then disabled them outside the sp… --- ## [Redundancy Sync status in tag browser](https://forum.inductiveautomation.com/t/redundancy-sync-status-in-tag-browser/116770)
**Author:** [@ericksone](https://forum.inductiveautomation.com/u/ericksone)\ **Replies:** 2\ **Last updated:** [August 14, 2026, 9:23am UTC](https://forum.inductiveautomation.com/t/redundancy-sync-status-in-tag-browser/116770 "2026-08-14T09:23:39Z")
Is there a way to read sync status of a redundant gateway? Recently we had an event were a primary gateway failed and therefore the redundant gateway failedover to be primary, however, the redundant gateway had not succ… --- ## [Tag Change Event Script Stops Executing (Ignition 8.3.6)](https://forum.inductiveautomation.com/t/tag-change-event-script-stops-executing-ignition-8-3-6/116727)
**Author:** [@rohitdas104](https://forum.inductiveautomation.com/u/rohitdas104)\ **Replies:** 5\ **Last updated:** [August 14, 2026, 5:06am UTC](https://forum.inductiveautomation.com/t/tag-change-event-script-stops-executing-ignition-8-3-6/116727 "2026-08-14T05:06:45Z")
I’m running Ignition 8.3.6 and have a Gateway Tag Change Event script that performs some data transformation and then inserts the results into MongoDB. The event is configured with a wildcard tag path, for example: Cod… --- ## [Gaps in Power Chart, but no bad data?](https://forum.inductiveautomation.com/t/gaps-in-power-chart-but-no-bad-data/116772)
**Author:** [@eaolson](https://forum.inductiveautomation.com/u/eaolson)\ **Replies:** 4\ **Last updated:** [August 13, 2026, 10:41pm UTC](https://forum.inductiveautomation.com/t/gaps-in-power-chart-but-no-bad-data/116772 "2026-08-13T22:41:14Z")
I've got an issue with the Power Chart that is confusing me. There are gaps in the lines, but I don't think there should be. This seems due to the "Show a break in the line when data is missing" checkbox, which I get is … --- ## [\[FEATURE\] Project Import Resources - Identify resources that already exist in the import resources tree](https://forum.inductiveautomation.com/t/feature-project-import-resources-identify-resources-that-already-exist-in-the-import-resources-tree/116777)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [August 13, 2026, 10:09pm UTC](https://forum.inductiveautomation.com/t/feature-project-import-resources-identify-resources-that-already-exist-in-the-import-resources-tree/116777 "2026-08-13T22:09:42Z")
When importing project resources, it would be useful to be able to identify which resources already exist. E.g. something like this: Idea: --- ## [\[IGN-12538\]Custom Session Properties Gone](https://forum.inductiveautomation.com/t/ign-12538-custom-session-properties-gone/72785)
**Author:** [@jacob.ramirez](https://forum.inductiveautomation.com/u/jacob.ramirez)\ **Replies:** 50\ **Last updated:** [August 13, 2026, 7:18pm UTC](https://forum.inductiveautomation.com/t/ign-12538-custom-session-properties-gone/72785 "2026-08-13T19:18:16Z")
This is the second time this has happened to me where my custom session properties are gone. I had approx. 20 of them and at some point they just disappeared. I see a lot of other posts about people losing bindings to t… --- ## [\[IGN-12088\] Perspective dropdown opened upward, clicking values registered on event behind it](https://forum.inductiveautomation.com/t/ign-12088-perspective-dropdown-opened-upward-clicking-values-registered-on-event-behind-it/81415)
**Author:** [@zacharyw.larson](https://forum.inductiveautomation.com/u/zacharyw.larson)\ **Replies:** 7\ **Last updated:** [August 13, 2026, 5:35pm UTC](https://forum.inductiveautomation.com/t/ign-12088-perspective-dropdown-opened-upward-clicking-values-registered-on-event-behind-it/81415 "2026-08-13T17:35:41Z")
I was showing a page to a person. They scrolled in a way I had not. They clicked a dropdown, and it went upwards which I did not realize it could do. Then when they clicked a selection, the page switched because the d… --- ## [Gateway Projects Page Description Column](https://forum.inductiveautomation.com/t/gateway-projects-page-description-column/116769)
**Author:** [@bschiv](https://forum.inductiveautomation.com/u/bschiv)\ **Replies:** 11\ **Last updated:** [August 13, 2026, 5:33pm UTC](https://forum.inductiveautomation.com/t/gateway-projects-page-description-column/116769 "2026-08-13T17:33:03Z")
Is there a way to get the Gateway to remember that I want to display the Description column all the time? It's really annoying to have to re-check that box every time I access the Gateway. --- ## [Powerchart no trend data source available](https://forum.inductiveautomation.com/t/powerchart-no-trend-data-source-available/54606)
**Author:** [@codersmurf](https://forum.inductiveautomation.com/u/codersmurf)\ **Replies:** 21\ **Last updated:** [August 13, 2026, 7:19am UTC](https://forum.inductiveautomation.com/t/powerchart-no-trend-data-source-available/54606 "2026-08-13T07:19:22Z")
So I noticed that if we use more than like 2 days of data we get a message where the tags as pens show up saying there’s no trend data available. Is this a bug, I remember it used to work. We are on 8.1.12.Thx, jake --- ## [Ignition Core Certification updates](https://forum.inductiveautomation.com/t/ignition-core-certification-updates/86615)
**Author:** [@Paolo.Mariani](https://forum.inductiveautomation.com/u/Paolo.Mariani)\ **Replies:** 74\ **Last updated:** [August 13, 2026, 1:02am UTC](https://forum.inductiveautomation.com/t/ignition-core-certification-updates/86615 "2026-08-13T01:02:24Z")
I am excited to announce a new Core Certification Test system that we are launching today! This new Core Certification Test system is a fully online and automatically graded system that can grade your test and send resul… --- ## [How to upload a Custom Theme from scratch using the Gateway API?](https://forum.inductiveautomation.com/t/how-to-upload-a-custom-theme-from-scratch-using-the-gateway-api/116771)
**Author:** [@Michael\_Lindon](https://forum.inductiveautomation.com/u/Michael_Lindon)\ **Replies:** 1\ **Last updated:** [August 13, 2026, 12:00am UTC](https://forum.inductiveautomation.com/t/how-to-upload-a-custom-theme-from-scratch-using-the-gateway-api/116771 "2026-08-13T00:00:40Z")
Trying to see if I can setup a Theme remotely using the Ignition API. I have gotten my API calls to read theme data and have used the create theme API endpoint to create the theme instance. Now, I am trying to figur… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=13) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=15)