Hi developers!
Happy holidays!

In ObjectScript there is neat option to log errors - call Log() method of an exception intance, e.g.:

ClassMethod MyMethod() {

Try {

w 1/0

}

Catch e {

do e.Log() // logging error in the app log

write "the error happened: "_e.DisplayString()

}

}

Is there anything like that for Embedded Python? e.g:

ClassMethod MyMethod() [Language = python] {

 try:

   print(1/0)

 except ZeroDivisionError as e:

   // how can I log e into IRIS App Error Log here?

   print("Caught exception: " + str(e))

}

Any ideas?

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Hey Developers,

Enjoy the new video on InterSystems Developers YouTube

⏯ Inside Vector Search - Technical Innovations In InterSystems IRIS @ READY 2025

https://www.youtube.com/embed/ofEfLqi-kU8
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Hi noble developers!

Have a question/discussion. Sometimes, while developing, we'd need to connect VSCode directly to a remote server (e.g., stage one) for debugging purposes. And after change back to local one. And then to remote again.

How do you perform this switching in VSCode in a convenient way?

I have several settings.json files (settings_local, settings_remote) which I put to a main settings.json when I need to make VSCode to connect to switch the connection:

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Hi,
Our production FHIR server is populated by several processes from several sources,
some of those sources send test data or wrong data (by mistake or as part of an integration test),
the data is consumed by our BI every 15 minutes.
when I mark a resource as test (using meta security) BI knows to update it on their system.
everything is fine up to here (except that there is test data in Prod)
my problem is that if someone send the same patient again it will recreate the patient without the security tag.
any thoughts?

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Hi Community,

As part of our birthday celebration, we’ve put together a special timeline video showcasing the key milestones, growth, and achievements of the Developer Community and its Ecosystem over the past decade 🎆

Take a look at how far we’ve come, and how much we’ve built together:

https://www.youtube.com/embed/iZCfGAdWB2g
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Article
· Dec 24, 2025 1m read
Using IRIS as a vector database

InterSystems IRIS embedded vector search capabilities lets us search unstructured and semi-structured data. Data is converted to vectors (also called ‘embeddings’) and then stored and indexed in InterSystems IRIS for semantic search, retrieval-augmented generation (RAG), text analysis, recommendation engines, and other use cases.

This is a simple demo of IRIS being used as a vector database and similarity search on IRIS.

Prerequisites:

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InterSystems API Manager (IAM) is a core component of the InterSystems IRIS Data Platform, offering centralized API management with a strong emphasis on security. IAM simplifies the entire API lifecycle, from creation to retirement, and provides a developer portal for easy API discovery and integration. Access control features allow administrators to define precise permissions, and IAM seamlessly integrates with the IRIS Data Platform, enhancing data management and integration capabilities.

Features of IAM include:

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Article
· Dec 24, 2025 2m read
"The Hidden HTTP Errors" (Behind IIS)

You send an HTTP request and get back an HTTP error but with an HTML error page which you didn't expect... what's happening?... 🤔

Specifically for example, perhaps you tried to READ a FHIR Resource (e.g. /Patient/123) and you get back a 404 error page, even though with other Patient IDs, you get back the Resource payload, so "the page" definitely does exist... why should you be getting a 404 error page? 🙄

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Question
· Dec 21, 2025
XDBC memory leaks

I have a business service that actively reads data from a remote Postgres database. OnProcessInput opens a XDBC (actually JDBC) connection, executes an SQL query, fetches several thousand rows, iterates the resultset, and closes the connection. On each iteration I also need to update each source row in the remote database using PreparedStatement.

In other words, in every OnProcessInput call I have a long running SELECT statement and several thousands small UPDATE statements.

The problems I'm facing are:

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Discussion
· Dec 16, 2025
Code Golf: Binary encoding!

Time for another round of code golf!

Develop a function that performs a two-step encryption process on a given string:

  • First Step: Reverse Cipher

    • Reverse the entire input string.
    • Relocate the last character of the original string (now the first character of the reversed string) to the end.

  • Second Step: Alphabetic Index Binary Encoding

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The Power of Indexing in Database Tables

When working with databases, most developers understand the concept of an index and why it's used: to speed up data retrieval. But the real impact of indexing often becomes clear only when you compare scenarios with and without it.

Do you Know what Happens Without an Index?
Imagine a table with three columns: Name, Age, and MobileNumber.

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Looking at my database I see I have a very big ^rINDEXSQL global? Why is that? 😬

In the Management Portal SQL page, under "SQL Statements" I see a 'Clean stale' button - what does this do? 🤔

In the list of Statements some have a 'Location' value and some don't? How is that? 🤨

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We have created a CSP application in the path /csp/ourapp. Due to some session handling issues, we created a new web application /csp/ourapp/hl7mapping that points to the sane namespace, and we now access the CSP pages using this new URL. This works fine in the local system.

After deploying the app to server, we are facing issues around compiling CSP pages.

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Hey Developers,

Enjoy the new video on InterSystems Developers YouTube

⏯ First Customers Using Vector Search - Real World Experiences and Lessons Learned @ READY 2025

https://www.youtube.com/embed/HZrxAxrQges
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Project Overview / Introduction

Developing and testing REST APIs in InterSystems IRIS often requires a significant amount of boilerplate code. While ObjectScript provides powerful tools for building APIs, writing consistent and repeatable tests can be time‑consuming. This is where IrisOASTestGen comes in.

Open Exchange app
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As part of our 10-year celebration, we are pleased to recognize certain members whose long-standing contributions have significantly shaped the InterSystems Developer Community.

Over the past decade, these individuals have shared knowledge, supported peers, and helped strengthen the collaborative spirit that defines our Community.

To honor their impact, we are introducing a special set of 10th Anniversary Edition awards and Global Masters badges:

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Hey Community!

We're happy to share a new video from our InterSystems Developers YouTube:

⏯ Using InterSystems Data Studio with Supply Chain Module as a Data Gateway @ Ready 2025

https://www.youtube.com/embed/Fsj90EItuBI
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I am experimenting with OpenTelemetry and recently connected all IRIS instances to telemetry servers.
I'm not interested in emitting custom metrics since IRIS does it fine, regarding tracing - we can use %Trace classes to emit custom traces, but what about logging?

I see that IRIS is able to send system log messages to the OpenTelemetry servers:

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Question
· Dec 10, 2025
Cache Studio Debugger

Hi,

I have Cache 2024.1. I attached the process ID from my terminal to the Cache Studio for Debugger. When I click on "Call Stack" tab I only see first 500 shown. Anyone know how to extend so I can see the rest of the information when i click on "Call Stack" tab? Thank you very much.

Second question: Using Cache Studio Debugger, anyone know how to expand the value of this variable when it display F,...

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Hello Community,

✨ As we wrap up another incredible year on the Developer Community, it’s time to look back at everything you accomplished in 2025! Your personal 2025 Recap is now live — a tailored snapshot of your activity, milestones, and the value you brought to the community this year.

From the articles you shared to the discussions you sparked, your contributions helped shape the knowledge and collaboration on our platform. Now you can revisit all of it in one place!

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Hi everyone.

I'm going to give you a quick tip on how to implement an AI agent to search the Intersystems documentation integrated into Teams.

Yes, I know the documentation page has its own AI search engine and it's quite effective, but this way we'd have faster access, especially if Teams is your company's corporate tool.

You can also create another AI agent to search articles published in the developer community (which also has its own integrated AI search engine).

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I want to extract data from IRIS (Health Share Provider Directory) and write the data out to a file that I can use within an external system. Using EnsLib.SQL.Service.GenericService do I need to supply Credentials if I am querying IRIS locally? I have always used JDBC to connect externally when creating Services and Operations to read/write SQL data from external Databases, but never internally. Normally I would just use sql or code to pull the data within a Process or DTC. But in this case, I want the Service to drive the workflow, and query the data from Local Tables

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Hello everyone.

I have a question regarding the priority when applying a default configuration.

I have several Business Services that use the same class, so I want them all to have a common "Schedule" configuration.

However, there's one that I don't want this default configuration applied to, so I've tried setting the Schedule value to empty for that element based on its name:

In this case, the elements that use the class Kurro.BS.SFTP.Marca have the default value "CargaFicheros".

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