# Latest

**URL:** https://forum.opentap.io/latest.md

[Latest](https://forum.opentap.io/latest.md) · [Categories](https://forum.opentap.io/categories.md) · [Tags](https://forum.opentap.io/tags.md)

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## [Now Live! Contributing plugins to the OpenTAP Project](https://forum.opentap.io/t/now-live-contributing-plugins-to-the-opentap-project/1083)

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**Author:** [@bweinberg](https://forum.opentap.io/u/bweinberg)\
**Replies:** 1\
**Last updated:** [April 6, 2023, 10:05pm UTC](https://forum.opentap.io/t/now-live-contributing-plugins-to-the-opentap-project/1083 "2023-04-06T22:05:22Z")

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If you have developed an OpenTAP plugin and are eager to share it with other ecosystem participants, consider hosting your plugin in the OpenTAP project repository, for maximum exposure. This blog lays out the steps nee…

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## [OpenTAP White Paper](https://forum.opentap.io/t/opentap-white-paper/386)

<div class="topic-metadata">

**Author:** [@brennen\_direnzo](https://forum.opentap.io/u/brennen_direnzo)\
**Replies:** 2\
**Last updated:** [October 4, 2022, 12:48pm UTC](https://forum.opentap.io/t/opentap-white-paper/386 "2022-10-04T12:48:56Z")

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For anyone looking for more info on the reasoning behind OpenTAP and why we believe an open source test sequence is needed in the Test & Measurement industry, check out our new White Paper:

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## [Technical Lightning Videos](https://forum.opentap.io/t/technical-lightning-videos/227)

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**Author:** [@brennen\_direnzo](https://forum.opentap.io/u/brennen_direnzo)\
**Replies:** 5\
**Last updated:** [June 23, 2021, 12:39am UTC](https://forum.opentap.io/t/technical-lightning-videos/227 "2021-06-23T00:39:13Z")

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Edit: The growing playlist of videos, is now available The OpenTAP Team is planning on creating a series of “lightning” videos covering various areas of using and developing in OpenTAP. The idea is these will be \< 5 min…

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## [Python Virtual Environments](https://forum.opentap.io/t/python-virtual-environments/2700)

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**Author:** [@bice123](https://forum.opentap.io/u/bice123)\
**Replies:** 1\
**Last updated:** [September 17, 2026, 10:55pm UTC](https://forum.opentap.io/t/python-virtual-environments/2700 "2026-09-17T22:55:07Z")

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I am currently having an issue with OpenTap loading the Python virtual environment correctly during sessions, but skipping over the virtual environment during global initialization. Any tap CLI command, as well as the Ru…

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## [NATs Runner save ComponentSettings](https://forum.opentap.io/t/nats-runner-save-componentsettings/2695)

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**Author:** [@fauser](https://forum.opentap.io/u/fauser)\
**Replies:** 5\
**Last updated:** [September 17, 2026, 7:42pm UTC](https://forum.opentap.io/t/nats-runner-save-componentsettings/2695 "2026-09-17T19:42:47Z")

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Hi, how do I get ComponentSettings to be saved to the hard drive? When I use the SetComponentSettingsAsync method, it only updates the in-memory session value but doesn’t write it to the disk. await session.SetCompone…

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## [Is there a way to use the CE Editor on 9.28](https://forum.opentap.io/t/is-there-a-way-to-use-the-ce-editor-on-9-28/2698)

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**Author:** [@craig.petku](https://forum.opentap.io/u/craig.petku)\
**Replies:** 4\
**Last updated:** [August 27, 2026, 3:17am UTC](https://forum.opentap.io/t/is-there-a-way-to-use-the-ce-editor-on-9-28/2698 "2026-08-27T03:17:34Z")

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I have avoided going beyond 9.28 since that requires moving to a new net framework that caused trouble migrating my DLL when I tried. Up until a week or so ago everything worked fine with EditorX. Now I can’t launch it…

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## [Bench Profile location](https://forum.opentap.io/t/bench-profile-location/2682)

<div class="topic-metadata">

**Author:** [@GoranJohnsson](https://forum.opentap.io/u/GoranJohnsson)\
**Replies:** 9\
**Last updated:** [August 10, 2026, 5:08pm UTC](https://forum.opentap.io/t/bench-profile-location/2682 "2026-08-10T17:08:27Z")

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Currently the Bench Profile folder location is fixed to Settings in PWTAs installation folder as I understand. Would it be possible to have the location configurable?

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## [Identify all plugins required to run a test plan](https://forum.opentap.io/t/identify-all-plugins-required-to-run-a-test-plan/2694)

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**Author:** [@gortom](https://forum.opentap.io/u/gortom)\
**Replies:** 3\
**Last updated:** [August 6, 2026, 11:07am UTC](https://forum.opentap.io/t/identify-all-plugins-required-to-run-a-test-plan/2694 "2026-08-06T11:07:07Z")

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Hi! I’m currently developing a system for automated testing, based on OpenTAP and Runner. As part of this, the system shall create an image (using Runner functions) consisting of all plugins required to run the selected…

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## [OpenTAP/Keysight User account account issue](https://forum.opentap.io/t/opentap-keysight-user-account-account-issue/2689)

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**Author:** [@everthuijben](https://forum.opentap.io/u/everthuijben)\
**Replies:** 3\
**Last updated:** [August 5, 2026, 7:45am UTC](https://forum.opentap.io/t/opentap-keysight-user-account-account-issue/2689 "2026-08-05T07:45:48Z")

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Hi, My collegue is facing next issue when trying to login to either this forum or Editor CE. If he tries to sign up again, than an error is shown that the e-mail has already an account. It seems the combination of …

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## [Macros handling](https://forum.opentap.io/t/macros-handling/2690)

<div class="topic-metadata">

**Author:** [@mavo1](https://forum.opentap.io/u/mavo1)\
**Replies:** 1\
**Last updated:** [August 5, 2026, 7:25am UTC](https://forum.opentap.io/t/macros-handling/2690 "2026-08-05T07:25:50Z")

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Hello, I have a question regarding macros in OpenTAP. When using the standard OpenTAP Editor, macros seem to update or resolve automatically. Is this behavior provided by OpenTAP itself, or is it functionality that is …

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## [Limitation of SecureString](https://forum.opentap.io/t/limitation-of-securestring/2691)

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**Author:** [@fauser](https://forum.opentap.io/u/fauser)\
**Replies:** 3\
**Last updated:** [August 5, 2026, 7:22am UTC](https://forum.opentap.io/t/limitation-of-securestring/2691 "2026-08-05T07:22:55Z")

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I’ve noticed issues with SecureString when the string or password exceeds 16 characters. It works fine as long as the application remains open, but upon restarting, I only retrieve the first 16 characters instead of the …

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## [User sign up/verify error](https://forum.opentap.io/t/user-sign-up-verify-error/2685)

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**Author:** [@jakub](https://forum.opentap.io/u/jakub)\
**Replies:** 1\
**Last updated:** [August 5, 2026, 7:20am UTC](https://forum.opentap.io/t/user-sign-up-verify-error/2685 "2026-08-05T07:20:19Z")

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Hello, I am not able to verify new user. I’v got received verification email where i have to click verify link and it says: So I requested link again and the same message show every time. Is there any support page…

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## [Upgrade to OpenTap 9.33](https://forum.opentap.io/t/upgrade-to-opentap-9-33/2688)

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**Author:** [@rajanbabu033](https://forum.opentap.io/u/rajanbabu033)\
**Replies:** 1\
**Last updated:** [August 5, 2026, 7:19am UTC](https://forum.opentap.io/t/upgrade-to-opentap-9-33/2688 "2026-08-05T07:19:09Z")

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Hi Keysight Team, We are currently using OpenTap 9.26.1 in our application. Our Host Application (Exe) built for x86 platform which is targeted for .Net Framework4.8. Also, we are using Keysight Test Automation editor …

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## [Python overflow error found when importing yaml module](https://forum.opentap.io/t/python-overflow-error-found-when-importing-yaml-module/2692)

<div class="topic-metadata">

**Author:** [@everthuijben](https://forum.opentap.io/u/everthuijben)\
**Replies:** 0\
**Last updated:** [July 27, 2026, 11:20am UTC](https://forum.opentap.io/t/python-overflow-error-found-when-importing-yaml-module/2692 "2026-07-27T11:20:09Z")

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When you use the 32 bit OpenTAP environment and want to create a python result listener, An error is found when you import the yaml module: C:\\Program Files (x86)\\Test Automation\>tap Caught exception loading Test.Issu…

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## [OpenTAP removes configuration items](https://forum.opentap.io/t/opentap-removes-configuration-items/2681)

<div class="topic-metadata">

**Author:** [@matthewdumas](https://forum.opentap.io/u/matthewdumas)\
**Replies:** 4\
**Last updated:** [June 17, 2026, 6:13pm UTC](https://forum.opentap.io/t/opentap-removes-configuration-items/2681 "2026-06-17T18:13:26Z")

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Hello again, I am running into some cases where OpenTAP “helpfully” removes instruments from the configuration that it can’t find because they are disconnected or powered off. Is there a way to change this behavior to …

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## [How to deal with test bench initialisation](https://forum.opentap.io/t/how-to-deal-with-test-bench-initialisation/2676)

<div class="topic-metadata">

**Author:** [@everthuijben](https://forum.opentap.io/u/everthuijben)\
**Replies:** 5\
**Last updated:** [June 12, 2026, 8:30am UTC](https://forum.opentap.io/t/how-to-deal-with-test-bench-initialisation/2676 "2026-06-12T08:30:21Z")

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Hi, I am struggling with how to deal with test bench initialisation within OpenTAP. I like to know if there is a recommended way of working when we are executing a testplan for multiple DUT’s, where the testbench need…

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## [Exception Handling in DUT on TestPlan Close](https://forum.opentap.io/t/exception-handling-in-dut-on-testplan-close/2679)

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**Author:** [@ky058](https://forum.opentap.io/u/ky058)\
**Replies:** 2\
**Last updated:** [June 12, 2026, 5:24am UTC](https://forum.opentap.io/t/exception-handling-in-dut-on-testplan-close/2679 "2026-06-12T05:24:38Z")

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We’ve implemented a custom DUT and overridden the Close method. When the test plan is closed, there are cases where errors occur during DUT shutdown and we throw exceptions. However, it seems that these exceptions are no…

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## [Add unique Id for an output parameter](https://forum.opentap.io/t/add-unique-id-for-an-output-parameter/2671)

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**Author:** [@everthuijben](https://forum.opentap.io/u/everthuijben)\
**Replies:** 4\
**Last updated:** [May 28, 2026, 11:06am UTC](https://forum.opentap.io/t/add-unique-id-for-an-output-parameter/2671 "2026-05-28T11:06:57Z")

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Hi, Our company is making use of unique limit ID’s for each test(step) output to the database. This unique number is stored in the database together with the verdict, upper and lower limit, name, metadata and it’s fou…

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## [Extract a value from a List and asign this value as an output](https://forum.opentap.io/t/extract-a-value-from-a-list-and-asign-this-value-as-an-output/2674)

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**Author:** [@janwo](https://forum.opentap.io/u/janwo)\
**Replies:** 4\
**Last updated:** [May 19, 2026, 2:20pm UTC](https://forum.opentap.io/t/extract-a-value-from-a-list-and-asign-this-value-as-an-output/2674 "2026-05-19T14:20:13Z")

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Hello, I would like to know if there is a possibility to select specific (explicit) values that are set by a TestStep into a table (i.e., a list of class objects) and use only those as output values. My goal is to assig…

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## [Runner session error "Another session is already executing"](https://forum.opentap.io/t/runner-session-error-another-session-is-already-executing/2672)

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**Author:** [@frank](https://forum.opentap.io/u/frank)\
**Replies:** 4\
**Last updated:** [May 13, 2026, 4:47pm UTC](https://forum.opentap.io/t/runner-session-error-another-session-is-already-executing/2672 "2026-05-13T16:47:27Z")

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Hello all, I’ve a problem where I need your help. I’ve started a runner with 2 sessions and I’m starting a test plan run in each session. The first one starts without issues the second one throws an exception with the m…

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## [Certification link missing](https://forum.opentap.io/t/certification-link-missing/2658)

<div class="topic-metadata">

**Author:** [@GoranJohnsson](https://forum.opentap.io/u/GoranJohnsson)\
**Replies:** 3\
**Last updated:** [May 5, 2026, 8:15pm UTC](https://forum.opentap.io/t/certification-link-missing/2658 "2026-05-05T20:15:05Z")

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On the new certification page on opentap.io I cannot see any info/link how to start a course?

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## [Order of Close Operations](https://forum.opentap.io/t/order-of-close-operations/2668)

<div class="topic-metadata">

**Author:** [@matthewdumas](https://forum.opentap.io/u/matthewdumas)\
**Replies:** 2\
**Last updated:** [April 29, 2026, 4:21pm UTC](https://forum.opentap.io/t/order-of-close-operations/2668 "2026-04-29T16:21:57Z")

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I’m having trouble figuring out the order of operations when the test ends. When a test finishes, what is the order of operations to clean up? Specifically, what is the order for the following: Test Plan Close/Comple…

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## [Translate Display\[\] attribute](https://forum.opentap.io/t/translate-display-attribute/2651)

<div class="topic-metadata">

**Author:** [@fauser](https://forum.opentap.io/u/fauser)\
**Replies:** 6\
**Last updated:** [April 29, 2026, 12:26pm UTC](https://forum.opentap.io/t/translate-display-attribute/2651 "2026-04-29T12:26:37Z")

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How can I load the translated name directly from my resources.resx file? \[Display(Name:“Selection”, Description:“Description”)\] I thought I could just translate it like that, but unfortunately it doesn’t work. Is there…

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## [Python RAM Leaks](https://forum.opentap.io/t/python-ram-leaks/2667)

<div class="topic-metadata">

**Author:** [@mavo1](https://forum.opentap.io/u/mavo1)\
**Replies:** 4\
**Last updated:** [April 29, 2026, 10:56am UTC](https://forum.opentap.io/t/python-ram-leaks/2667 "2026-04-29T10:56:45Z")

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Hello everyone, I had opened an issue on RAM Leaks of Dynamic Types (https://github.com/opentap/opentap/issues/2318) not too long ago. This issue got solved and we do not have issues with mixins anymore causing ram leak…

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## [How to get Step Name atribute programmatically](https://forum.opentap.io/t/how-to-get-step-name-atribute-programmatically/2057)

<div class="topic-metadata">

**Author:** [@jakub](https://forum.opentap.io/u/jakub)\
**Replies:** 6\
**Last updated:** [April 24, 2026, 6:46am UTC](https://forum.opentap.io/t/how-to-get-step-name-atribute-programmatically/2057 "2026-04-24T06:46:44Z")

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Hello. Is this attribute part of the Keysight editor? I would like to somehow get the “Step Name” into my c# program and store the string in a variable. I usually write the attributes by myself with a description and …

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## [NATS Runner no control over instruments](https://forum.opentap.io/t/nats-runner-no-control-over-instruments/2664)

<div class="topic-metadata">

**Author:** [@fauser](https://forum.opentap.io/u/fauser)\
**Replies:** 1\
**Last updated:** [April 17, 2026, 12:50pm UTC](https://forum.opentap.io/t/nats-runner-no-control-over-instruments/2664 "2026-04-17T12:50:19Z")

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We can’t communicate directly with instruments or DUTs via Runner. This means I can’t, for example, manually perform a measurement using the multimeter via the panel. Will this API ever be expanded? Why isn’t the runne…

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## [Timeout while starting Leafnode NATS Server](https://forum.opentap.io/t/timeout-while-starting-leafnode-nats-server/2653)

<div class="topic-metadata">

**Author:** [@fauser](https://forum.opentap.io/u/fauser)\
**Replies:** 8\
**Last updated:** [April 15, 2026, 7:02am UTC](https://forum.opentap.io/t/timeout-while-starting-leafnode-nats-server/2653 "2026-04-15T07:02:42Z")

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Why am I getting a timeout error? I did everything exactly as described in the documentation.

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## [Load another test plan at runtime?](https://forum.opentap.io/t/load-another-test-plan-at-runtime/2649)

<div class="topic-metadata">

**Author:** [@fauser](https://forum.opentap.io/u/fauser)\
**Replies:** 6\
**Last updated:** [April 9, 2026, 4:28am UTC](https://forum.opentap.io/t/load-another-test-plan-at-runtime/2649 "2026-04-09T04:28:48Z")

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I want to create a test step that loads a different test plan at runtime. The TreeView in PathWave should also display the new TestSteps. Is this possible or why isn’t it possible? I have a lot of use cases and urgent…

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## [Editor login using CE fails to launch browser](https://forum.opentap.io/t/editor-login-using-ce-fails-to-launch-browser/2657)

<div class="topic-metadata">

**Author:** [@wittrock](https://forum.opentap.io/u/wittrock)\
**Replies:** 0\
**Last updated:** [March 12, 2026, 3:03pm UTC](https://forum.opentap.io/t/editor-login-using-ce-fails-to-launch-browser/2657 "2026-03-12T15:03:04Z")

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I am using the cross platform Editor on Ubuntu 24.04. When the time comes to login using a community edition license, the initial license selection and restart of the Editor succeeds, but the login prompt is never shown…

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## [Instrument Plugin Interfaces](https://forum.opentap.io/t/instrument-plugin-interfaces/2655)

<div class="topic-metadata">

**Author:** [@matthewdumas](https://forum.opentap.io/u/matthewdumas)\
**Replies:** 4\
**Last updated:** [March 5, 2026, 6:18pm UTC](https://forum.opentap.io/t/instrument-plugin-interfaces/2655 "2026-03-05T18:18:15Z")

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I am currently working on a custom test system that will require multiple interface drivers to simplify things for our test developers. Recently, I was asked to make it so that we can just swap in multiple different dev…

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