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Hey Community,

Here is a digest of the Developer Community videos on InterSystems Developers YouTube Channel in July 2022:

New Videos
№ Video Views
1 InterSystems Full Stack Contest 2022: Winners! 5068
2 Using Node js to connect to InterSystems IRIS 326
3 Multi Model Capabilities of InterSystems IRIS 184
4 Using Java to Connect to InterSystems IRIS 164
5 Using .NET to Connect to InterSystems IRIS 102
6 Continuing Success 73
7 Pulling Out All the Stops Disrupting Healthcare 68
8 Working with Globals in Embedded Python 63
9 InterSystems IRIS What’s New, What’s Next 58
10 Online Meetup with InterSystems Full Stack Contest Winners 54
11 The first Demo Day of InterSystems FHIR Startup Incubator — Caelestinus 47
12 Kozo Pages - Part 1 46
13 InterSystems Healthcare. What’s New, What’s Next. A panel discussion 44
14 Start Up Brilliance 39
15 Managing Brain Health at Scale Transforming Healthcare with AI & Interoperability 36
16 Greenhouse emssions calculator using GHG Protocol and InterSystems IRIS 36
17 Hackathons Fun & Innovative 34
18 Customer Success 28
19 Gaining Acceptance & Adoption Panel Discussion 28
20 Smart Data Fabric Enabling Future Innovations 20
21 Customer Innovations InterSystems IRIS Success Stories 20
22 Kozo Pages - Part 2 19
23 Breaking the Bank.How BBTS Integrated Data to Enable Open Banking 18
23 Leaving No Stone Unturned SPAR’s Transformation via Connected Retail Data 17
24 Learning as the Cornerstone of Success 15
25 Dealing with large content in Iris Python Native API 10

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Hi Developers,

A new exciting challenge introduced for Global Masters members of "Advocate" level and above: we invite you to record a 30-60 sec video with an answer to our question:

➥ What is the value of InterSystems IRIS to you?

🎁 Reward of your choice for doing the interview: $50 Gift Card (VISA/Amazon) or 12,000 points!

Follow this direct link to the challenge for more information. Please note that the link will work for GM members of "Advocate" level and above. More about GM levels you can read here.

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Hi,

Just thought I'd share quite a handy hook that has helped me out when developing on Health Connect Cloud with VS Code and GitBash. When developing on Health Connect Cloud, if changes are made directly on the server such as routing rules or component deployments, they aren't automatically included in source control, therefore you must export from the server into your local files and push to your remote repo. I'm sure there are easier methods to deal with that which I'm in the process of testing, but as a quick solution I thought it would be handy have a pre-commit hook which triggers a reminder in GitBash - see below.

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For example, you start debugging the AAA function, which calls the BBB function, then goes to the CCC^ABC function in a different routine and ends up while executing XXX^XYZ. No other routines or functions are visited in this example. What I would like is to get the record of AAA -> BBB -> CCC^ABC -> XXX^XYZ. No marking each function with recording code should be involved: too time consuming, too many functions in real code.

UPD: Iris has built in %SYS.Trace for this purpose but this class is apparently absent in Cache 2017. Did not find any substitutes yet.

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Article
· May 21, 2025 1m read
CCR Client Tools UI Upgrade

We're excited to announce the first-ever UI update for CCR Client Tools. The Client Tools UI has been upgraded to match the modern CCR UI, aiming to create a more seamless experience across both applications. The color scheme, fonts, and style elements have all been updated accordingly in the new UI:

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I have a scenario where I send a GET request to a broker and receive a FHIR response. When I attempted to use the built-in InterSystems functions to convert this FHIR response into SDA, the transformation failed—likely because it is not a standard FHIR request.

How should I handle this situation? Is there a recommended approach to processing FHIR responses in this context?

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Is it possible to check retroactive LOCK history?

context:

I found it in the application error log. Some LOCK errors - ERROR #5803
Is it possible to somehow identify the point in the job or process code that caused these locks?

At the moment I no longer have table LOCKS on the server, but I would like, if possible, to check the time at which the incidents occurred.

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Is anyone using the IPM client (e.g., running commands like zpm "install somepackagename") on an IRIS version earlier than 2022.1?

We're thinking about raising the minimum supported version so we can use Embedded Python in IPM. I'm curious if this would impact anyone. Of course, you'd be able to continue to use an earlier version of IPM.

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Hi we are migrating to Linux from OpenVMS. which includes a new server and SAN. after reading a prior post about the differences with ESX and a VSAN I would think that the a SAN with Virtual disks all SSD type would be similar. which after reading it makes me think that using thick provisioning is the way to go. the 3rd party vendor is arguing this point with me. is it the same premise? is non-dedupe the way to go with thick provisioning. we are currently on 2015.2 of Cache with the plans to go to 2018 until the app vendor is able to certify their product on the latest versin.

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Hi Guys,

I'm getting ERROR #6237: Unexpected tag in XML input: imageclickbutton when running Build All for all existing classes, imageclickbutton is one of custom components we use in our application and I can actually compile imageclickbutton.cls class with no issues and also I can compile the class containing the imageclickbutton tag with not issues but I get the errors when running the Build All not sure why?

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Working on a custom view for LookupSettings.cls. I've added code to adda Change Log entry into the table when rows are added/updated. I'm trying to do the same for when rows are deleted. How can I pull the key & value for the row when it is selected for delete /un-delete? The variable rowData is used a pointer for the row index. I know I'm missing something simple...

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I restore the “dirty” copy of the IRIS.DAT files, then apply the incremental backup as documented for Online Backup. As shown in the picture, restarting the service before mounting and rejoining the database to the mirror can restore the mirror database to the point in time of dirty data. I think the mount method used here is the default value, and I don't want it to perform mirrorcatchup. Is there any other way to recover the mirrored database to the point in time of dirty data？

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Does anyone know how to get the closing tab/menu changing event in a CSP? I've tried the JS "OnBeforeUnload" already but it seems the browsers aren't allowing it anymore. I need to show a pop-up that holds the user if trying to get away before completing the stage.

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Modern SQL engines are enormously complex pieces of software. Even when they appear stable and mature, subtle bugs can hide in their optimizers, type systems, predicate evaluation, or execution layers. These bugs rarely announce themselves loudly. Instead, they quietly produce incorrect results, behave inconsistently, or fail abruptly under specific combinations of SQL constructs.

This is precisely why tools like SQLancer exist. SQLancer automatically generates SQL queries and uses logical “oracles” to detect when a database behaves incorrectly. It has revealed hundreds of real bugs in widely used systems such as MySQL, PostgreSQL, SQLite, and DuckDB.

With this in mind, I attempted to bring SQLancer to InterSystems IRIS, starting with the NOREC oracle — a powerful method for detecting optimizer correctness issues. The journey, however, uncovered not just potential SQL correctness problems, but also a surprising number of driver-level and server-level failures that prevented SQLancer from running at full strength.

This article summarizes why SQLancer is important, how the NOREC oracle works, and what unexpected findings appeared while testing IRIS.

Open Exchange app
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Article
· Oct 10, 2025 9m read
IRIS install automation using Ansible

Deploying new IRIS instances can be a time-consuming task, especially when setting up multiple environments with mirrored configurations.

I’ve encountered this issue many times and want to share my experience and recommendations for using Ansible to streamline the IRIS installation process. My approach also includes handling additional tasks typically performed before and after installing IRIS.

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Securing IRIS Integrations with Mutual TLS (mTLS): A Practical Guide

In today’s enterprise environments, secure communication between systems is not optional—it’s essential. Whether you're integrating InterSystems IRIS with cloud APIs, internal microservices, or third-party platforms, Mutual TLS (mTLS) offers a powerful way to ensure both ends of the connection are authenticated and encrypted.

This post walks through how to configure IRIS for mTLS and how to validate your certificates to avoid common pitfalls.

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