# Module Development **URL:** https://forum.inductiveautomation.com/c/module-development/7.md?page=51 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 52 --- ## [Run Multiple Versions of Custom Modules](https://forum.inductiveautomation.com/t/run-multiple-versions-of-custom-modules/11855)
**Author:** [@rnovak](https://forum.inductiveautomation.com/u/rnovak)\ **Replies:** 2\ **Last updated:** [July 22, 2016, 1:54pm UTC](https://forum.inductiveautomation.com/t/run-multiple-versions-of-custom-modules/11855 "2016-07-22T13:54:39Z")
Hello, We're in the process of developing a custom module and would like to know if it is possible to install multiple versions of the same module on the same gateway and somehow associate each version with a particula… --- ## [Gateway module, addservlet buit how to invoke it?](https://forum.inductiveautomation.com/t/gateway-module-addservlet-buit-how-to-invoke-it/11914)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 1\ **Last updated:** [July 11, 2016, 3:46pm UTC](https://forum.inductiveautomation.com/t/gateway-module-addservlet-buit-how-to-invoke-it/11914 "2016-07-11T15:46:55Z")
With …getGatewayContext().addServlet(“test”,com.xyz.TestServlet.class) we can add servlet in the Gateway scope of a module. I woulld like to know the url to invoke this servlet localhost:8088/…? --- ## [Customization of Configure Page](https://forum.inductiveautomation.com/t/customization-of-configure-page/9042)
**Author:** [@bdev](https://forum.inductiveautomation.com/u/bdev)\ **Replies:** 3\ **Last updated:** [June 23, 2016, 7:07pm UTC](https://forum.inductiveautomation.com/t/customization-of-configure-page/9042 "2016-06-23T19:07:27Z")
I'd like to add configuration settings for my module to the Ignition Gateway Configure page. Specifically, I'd like to add to the tree panel on the left hand side. Is that possible? How would I go about doing that? T… --- ## [Module Idea for Importing Jars](https://forum.inductiveautomation.com/t/module-idea-for-importing-jars/11847)
**Author:** [@Jonathan](https://forum.inductiveautomation.com/u/Jonathan)\ **Replies:** 2\ **Last updated:** [June 22, 2016, 6:07pm UTC](https://forum.inductiveautomation.com/t/module-idea-for-importing-jars/11847 "2016-06-22T18:07:41Z")
I had a thought after trying to figure out the new module SDK and signing process. all the modules we have created internally are just wrappers to get various Java libraries from jar files into different scopes of the Ig… --- ## [Quarantined Modules](https://forum.inductiveautomation.com/t/quarantined-modules/11594)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 21\ **Last updated:** [June 22, 2016, 5:35pm UTC](https://forum.inductiveautomation.com/t/quarantined-modules/11594 "2016-06-22T17:35:54Z")
Hi , I just signedup a new (Private) module on developer portal for a few times with a simple or no changes yesterday. Today I find them appear (7 times that I signedup) on my module list of modules. Is this a new featu… --- ## [Exposed OPC TAGS](https://forum.inductiveautomation.com/t/exposed-opc-tags/11826)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 3\ **Last updated:** [June 22, 2016, 3:26am UTC](https://forum.inductiveautomation.com/t/exposed-opc-tags/11826 "2016-06-22T03:26:37Z")
Hi Kevin, Just curious from which version onwards of Ignition is the Exposed OPC Tags option available? From 7.6 onwards or 7.7 onwards. This will ease having to maintain multiple versions of my modules accessing OPC Ta… --- ## [getSamplingRate on passive gateway?](https://forum.inductiveautomation.com/t/getsamplingrate-on-passive-gateway/11761)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 0\ **Last updated:** [June 1, 2016, 9:20am UTC](https://forum.inductiveautomation.com/t/getsamplingrate-on-passive-gateway/11761 "2016-06-01T09:20:41Z")
I have a redundant gateway with Standby Activity Level set to Warm My driver keep track of subscribed tags with : driverContext.getSubscriptionModel().getSubscriptionItems() I’ve a driven scan class with slow rate to 0… --- ## [Acces to opc-ua server statistics and Subscriptions](https://forum.inductiveautomation.com/t/acces-to-opc-ua-server-statistics-and-subscriptions/11646)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 2\ **Last updated:** [May 12, 2016, 6:34pm UTC](https://forum.inductiveautomation.com/t/acces-to-opc-ua-server-statistics-and-subscriptions/11646 "2016-05-12T18:34:57Z")
I’m looking for a way with the SDK to request for the list of opc-ua serveur Subscriptions, with the list listof monitored item and other information about opc-ua client connection ? Those information are available in t… --- ## [Modify the Client menu bar from a module](https://forum.inductiveautomation.com/t/modify-the-client-menu-bar-from-a-module/11627)
**Author:** [@pmclean2](https://forum.inductiveautomation.com/u/pmclean2)\ **Replies:** 0\ **Last updated:** [May 5, 2016, 6:21pm UTC](https://forum.inductiveautomation.com/t/modify-the-client-menu-bar-from-a-module/11627 "2016-05-05T18:21:40Z")
Is it possible to modify the Client menu bar from a module. In particular the the Help menu. We want to add one item in the help menu to allow users to send automatic support tickets to our help desk. Thanks --- ## [How to adjust build date with maven build module](https://forum.inductiveautomation.com/t/how-to-adjust-build-date-with-maven-build-module/11614)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 2\ **Last updated:** [May 5, 2016, 4:25pm UTC](https://forum.inductiveautomation.com/t/how-to-adjust-build-date-with-maven-build-module/11614 "2016-05-05T16:25:56Z")
In the build pom, with 1.0.0 the module gateway page mention : 1.0.0 (b0) How to set the build date like IA module : 1.0.0 (b2016030813) 1.0.0 ${maven.build.timestamp} don’t work. --- ## [Continuous warnings generated in LOG file](https://forum.inductiveautomation.com/t/continuous-warnings-generated-in-log-file/11591)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 6\ **Last updated:** [April 27, 2016, 5:19pm UTC](https://forum.inductiveautomation.com/t/continuous-warnings-generated-in-log-file/11591 "2016-04-27T17:19:34Z")
Hi , On activating OPC UA, I am getting continuous WARN in wrapper log file of Ignition every 5 seconds 3kb of this message is continuously appended in the log file every 5 seconds. How to get rid of is, what is wrong w… --- ## [Build failed for sdk7.7.8](https://forum.inductiveautomation.com/t/build-failed-for-sdk7-7-8/11579)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 4\ **Last updated:** [April 27, 2016, 10:29am UTC](https://forum.inductiveautomation.com/t/build-failed-for-sdk7-7-8/11579 "2016-04-27T10:29:08Z")
Hi I am trying to compile my module for SDK 7.7.8 on 64 bit version of Ignition 7.7.8. I get following error on build: BUILD FAILED C:\\Ignition-ModuleSDK-7.7.8\\gatewaycomm\\Build\\build.xml:83: java.io.FileNotFoundExcept… --- ## [Differences between OPC server in version 7.7 and 7.8](https://forum.inductiveautomation.com/t/differences-between-opc-server-in-version-7-7-and-7-8/11582)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 3\ **Last updated:** [April 27, 2016, 10:28am UTC](https://forum.inductiveautomation.com/t/differences-between-opc-server-in-version-7-7-and-7-8/11582 "2016-04-27T10:28:10Z")
Hi, I find that the tag path for OPC tags (expose option set to true) in 7.7.8 is for example "ns=2:s=\[System\]Gateway/Redundancy/IsActive" where as in 7.8 it was "ns=2;s=\[System\]Gateway/Redundancy/IsActive" (the : ins… --- ## [Gateway is running in emergency activation mode](https://forum.inductiveautomation.com/t/gateway-is-running-in-emergency-activation-mode/11587)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 1\ **Last updated:** [April 27, 2016, 10:27am UTC](https://forum.inductiveautomation.com/t/gateway-is-running-in-emergency-activation-mode/11587 "2016-04-27T10:27:06Z")
On my newly installed version 7.7.8 and activation of the Developer License key I get a warning "This Gateway is running in emergency activation mode. 7 days, 11 hours, 43 minutes, 27 seconds remaining." What does it me… --- ## [Error in starting 64 bit version](https://forum.inductiveautomation.com/t/error-in-starting-64-bit-version/11571)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 11\ **Last updated:** [April 25, 2016, 5:37pm UTC](https://forum.inductiveautomation.com/t/error-in-starting-64-bit-version/11571 "2016-04-25T17:37:55Z")
Hi I installed 64bit JDK/JRE and the 64 bit version of Ignition (version 7.6.4) on Windows 10 Laptop. When I run the GCU it gives error : "A service specific error occured: 1. More help is available by typing NET HELPMSG… --- ## [Module versions to be maintained for Different Ignition vers](https://forum.inductiveautomation.com/t/module-versions-to-be-maintained-for-different-ignition-vers/11366)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 10\ **Last updated:** [March 23, 2016, 4:07pm UTC](https://forum.inductiveautomation.com/t/module-versions-to-be-maintained-for-different-ignition-vers/11366 "2016-03-23T16:07:13Z")
Hi, Just want to know how many versions of our modules should we maintain for different versions of Ignition. I believe one version of our modules for each major release of Ignition will suffice (like ffor version 6.. & … --- ## [Ignition 64 bit or 32 bit?](https://forum.inductiveautomation.com/t/ignition-64-bit-or-32-bit/11367)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 4\ **Last updated:** [March 15, 2016, 4:08pm UTC](https://forum.inductiveautomation.com/t/ignition-64-bit-or-32-bit/11367 "2016-03-15T16:08:33Z")
Hi, Just want to know whether we should use 32 bit version of ignition or 64 bit version for evaluation or final use. I have a windows 10 laptop, which is 64 bit os. Will there be a improvement in response time if we us… --- ## [Ignition OPC-UA/PLC tags](https://forum.inductiveautomation.com/t/ignition-opc-ua-plc-tags/11315)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 11\ **Last updated:** [March 7, 2016, 6:50pm UTC](https://forum.inductiveautomation.com/t/ignition-opc-ua-plc-tags/11315 "2016-03-07T18:50:30Z")
Hi, 1.0 I guess OPC-UA server of Ignition stores the PLC tags in a seperate name space, but how does this update? Is it thru Ignition OPC-UA acting as a client and subscribing to tags on PLC OPC server? Or there are PLC… --- ## [OPC server status after Ignition Trail period of 120 mins?](https://forum.inductiveautomation.com/t/opc-server-status-after-ignition-trail-period-of-120-mins/11307)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 2\ **Last updated:** [March 3, 2016, 5:59pm UTC](https://forum.inductiveautomation.com/t/opc-server-status-after-ignition-trail-period-of-120-mins/11307 "2016-03-03T17:59:59Z")
Does the OPC server of ignition also stop after the trail period of 120 mins in the latest version? As far as I remember , the OPC UA server was active (I was able to connect my OPC client to it successfully before). How… --- ## [Designer application blocked by Java Security!](https://forum.inductiveautomation.com/t/designer-application-blocked-by-java-security/11285)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 2\ **Last updated:** [February 29, 2016, 6:05pm UTC](https://forum.inductiveautomation.com/t/designer-application-blocked-by-java-security/11285 "2016-02-29T18:05:22Z")
Hi, Strange thing happened! Today when I try to launch the designer from the Ignition Gateway Home page I get "Application Blocked by Java Security" error window! What could be the reason? How to overcome it? regards … --- ## [OPC Browser error](https://forum.inductiveautomation.com/t/opc-browser-error/11209)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 4\ **Last updated:** [February 15, 2016, 3:25pm UTC](https://forum.inductiveautomation.com/t/opc-browser-error/11209 "2016-02-15T15:25:59Z")
Sometimes OPC Browser in the designer gives error after a long wait from gateway. Whereas the OPC client seems to be working fine. It gets triggers from the server for subscriptions. What could be the reason? Do we need … --- ## [OPC server fault conditions](https://forum.inductiveautomation.com/t/opc-server-fault-conditions/11145)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 9\ **Last updated:** [February 12, 2016, 3:30am UTC](https://forum.inductiveautomation.com/t/opc-server-fault-conditions/11145 "2016-02-12T03:30:56Z")
Hi, I observe that sometimes the OPC-UA server of Ignition gets faulted. I stop and restart the Ignition server from the GCU and it starts back again. (I have an evaluation version of Ignition 7.8.0). Under what circums… --- ## [Sequence of Tags in a browse or subscription from client](https://forum.inductiveautomation.com/t/sequence-of-tags-in-a-browse-or-subscription-from-client/11167)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 2\ **Last updated:** [February 5, 2016, 4:01am UTC](https://forum.inductiveautomation.com/t/sequence-of-tags-in-a-browse-or-subscription-from-client/11167 "2016-02-05T04:01:10Z")
Hi , When an OPC Client browses or subscribes to all tags under a folder, in what sequence to tags are sent to client? In my case the sequence isn't same as it appears on OPC Browser in Server. Any idea? Does OPC Spec … --- ## [Alarms and historization](https://forum.inductiveautomation.com/t/alarms-and-historization/11026)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 2\ **Last updated:** [January 11, 2016, 5:19pm UTC](https://forum.inductiveautomation.com/t/alarms-and-historization/11026 "2016-01-11T17:19:36Z")
Hi, How are Alarms and Historization translated from Ignition tag database to Ignition OPCUA server? Will the Alarm subscription and Historical data retrieval methods work properly on Ignition OPC US server? regards P… --- ## [Profiles and ns](https://forum.inductiveautomation.com/t/profiles-and-ns/11015)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 4\ **Last updated:** [January 9, 2016, 4:05am UTC](https://forum.inductiveautomation.com/t/profiles-and-ns/11015 "2016-01-09T04:05:49Z")
Hi, I have following questions about OPCUA tags in Ignition: How are user profiles and access rights translated to in Ignition OPC server? how many namespaces are supported in the Ignition OPC server. Will appreciate… --- ## [Adding OPC Tags](https://forum.inductiveautomation.com/t/adding-opc-tags/10939)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 25\ **Last updated:** [January 7, 2016, 4:54pm UTC](https://forum.inductiveautomation.com/t/adding-opc-tags/10939 "2016-01-07T16:54:44Z")
Hi, I tried to create a new OPC Tag in the Ignition version 7.8. The tag gets created under ROOT folder , but it doesn't appear in the OPC Browser window! What appears in the OPC Browser window? Do only PLC tags appear … --- ## [Connecting to the SQL database from a module](https://forum.inductiveautomation.com/t/connecting-to-the-sql-database-from-a-module/10916)
**Author:** [@pmclean2](https://forum.inductiveautomation.com/u/pmclean2)\ **Replies:** 1\ **Last updated:** [December 14, 2015, 7:54pm UTC](https://forum.inductiveautomation.com/t/connecting-to-the-sql-database-from-a-module/10916 "2015-12-14T19:54:38Z")
Hi, I tried to connect my module to the MySQL database in Ignition using the example found in the SDK developer guide. But it seems that the "context" variable is not the same as the GatewayContext. Can you provide a c… --- ## [Is there a Nexus repository with the current SDK?](https://forum.inductiveautomation.com/t/is-there-a-nexus-repository-with-the-current-sdk/9971)
**Author:** [@chi](https://forum.inductiveautomation.com/u/chi)\ **Replies:** 7\ **Last updated:** [November 5, 2015, 8:24pm UTC](https://forum.inductiveautomation.com/t/is-there-a-nexus-repository-with-the-current-sdk/9971 "2015-11-05T20:24:11Z")
Hi, i just found the SDK examples on Github and the Nexus repository. In this repository, the newest SDK version is 7.7.2. Is there another repository with more current versions or is this still a preview? It would be … --- ## [Restarting TagProvider after module upgrade](https://forum.inductiveautomation.com/t/restarting-tagprovider-after-module-upgrade/10334)
**Author:** [@idelamer](https://forum.inductiveautomation.com/u/idelamer)\ **Replies:** 9\ **Last updated:** [November 5, 2015, 8:20pm UTC](https://forum.inductiveautomation.com/t/restarting-tagprovider-after-module-upgrade/10334 "2015-11-05T20:20:23Z")
So we have our custom TagProvider, so we naturally implement startup(TagSubscriptionModel subModel) and shutdown(); We also have our ModuleGatewayHook which extends AbstractGatewayModuleHook When we upgrade our modul… --- ## [Module/Ignition upgrades](https://forum.inductiveautomation.com/t/module-ignition-upgrades/10696)
**Author:** [@nclemeur](https://forum.inductiveautomation.com/u/nclemeur)\ **Replies:** 5\ **Last updated:** [November 3, 2015, 1:38am UTC](https://forum.inductiveautomation.com/t/module-ignition-upgrades/10696 "2015-11-03T01:38:49Z")
Hello, I would like to know how is the licensing working regarding to upgrades. When a new version of ignition is released, all module needs to be updated to the new API (assuming the framework version is changed with … [Previous page](https://forum.inductiveautomation.com/c/module-development/7.md?page=50) [Next page](https://forum.inductiveautomation.com/c/module-development/7.md?page=52)