InterSystems Official Bob Kuszewski · Aug 16, 2024

Welcome to the Q3’2024 quarterly platforms update.  We have some news on the AIX front to encourage better security, along with our usual round of OS version updates. 

If you’re new to these updates, welcome!  This update aims to share recent changes as well as our best current knowledge on upcoming changes, but predicting the future is tricky business and this shouldn’t be considered a committed roadmap. 

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Question Jack Liu · Aug 15, 2024

iris | [ERROR] Command "iris start IRIS quietly" exited with status 256iris |iris |iris |iris | *** Recovery started at Thu Aug 15 05:47:48 2024iris | Current default directory: /usr/irissys/mgriris | Log file directory: /usr/irissys/mgr/iris | WIJ file spec: /usr/irissys/mgr/IRIS.WIJiris | Recovering local (/usr/irissys/mgr/IRIS.WIJ) image journal file...iris | Starting WIJ recovery for '/usr/irissys/mgr/IRIS.WIJ'.iris | 0 blocks pending in this WIJ.iris | Exiting with status 3 (Success)iris | 08/15/24-05:47:48:778 (828) 3 [Utility.Event] Error while moving data directories ERROR #5001:

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Article Megumi Kakechi · Aug 15, 2024 3m read

InterSystems FAQ rubric

Temporary globals stored in the IRISTEMP/CACHETEMP databases are used when a process does not need to store data indefinitely, but requires the powerful performance of globals. The IRISTEMP/CACHETEMP databases are not journaled, so using temporary globals does not create journal files.

The system uses the IRISTEMP/CACHETEMP databases for temporary storage and are available to users for the same.

For more information about temporary globals and the IRISTEMP database, see the following document:
Temporary Globals and the IRISTEMP Database

The globals used as temporary are:

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InterSystems Official Bob Kuszewski · Aug 15, 2024

Alert: Database Corruption with Multi-Volume Databases after Truncation

InterSystems has corrected a defect that can cause database corruption or <DISKHARD> errors with multi-volume databases under extremely rare circumstances. Only databases that have been truncated are at risk.

The defect exists in the following products and any InterSystems offerings based on them:

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InterSystems Official Bob Kuszewski · Aug 14, 2024

The first developer preview of InterSystems IRIS 2024.3 and InterSystems IRIS for Health 2024.3 has been posted to the WRC developer preview site.  Containers can be found on our container registry and are tagged latest-preview.

This is a very early build in the release cycle and there aren’t any “highlight” worthy features that are complete.  They’ll start to arrive in future preview releases.

Initial documentation can be found at these links below.

Availability and Package Information

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Question Hannah Sullivan · Aug 14, 2024

If anyone has experience debugging Embedded Python or has insight into why an ObjectScript method when called from a Python method would not work but would work when called directly via ObjectScript or in a Python shell, your help would be appreciated! 

We have an ObjectScript ClassMethod called GetTemplateString() which takes in a templateName of String type and uses the template name to get the template object, access the Code, and read the code into a templateString. The string version of the Code is returned.

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Question john.smith4237 · Aug 13, 2024

Hi

I've more than 100 classes that are packed like  CRD.Health.MyClass so I've defined the global mapping as CRD*, but now I would like to map some of the classes (CRD.Health.SomeClass) to different database so how can I exclude it from my current mapping to be in the new one because if I map it in the new database it will still conflict with the old mapping?

Thanks     

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Discussion Eduard Lebedyuk · Aug 5, 2024

Today we have an unusual code golf: build a program (using only printable ASCII characters, tabs and newlines) that prints out exactly the characters in the printable ASCII space (characters 32 to 126) that don't appear in your program's source code (in any order, however many times you want).

As usual, the goal is to produce the shortest code to do this.

My (admittedly not very good, but does the job!) entry:

Classascii.ascii {

ClassMethodascii()
{
    setx="!#$%&'()*+,-./0123456789:;<>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdfghijklmnopqruvwyz{|}~"
}

}
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Question Arcady Goldmints-Orlov · Aug 14, 2018

Traditional Caché Objectscript has the multi-dimensional array as its main form of complex data structure and the $order command as the main means of traversing said data structures. But newer versions of Caché ObjectScript also have data structures that are direct parallels of what languages such as JavaScript provide, in the form of %DynamicObject and %DynamicArray. These have an easy to use iterator feature via the %GetIterator method, and even a handy built-in literal syntax for constructing new objects.

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Question Joshua Wigley · Jul 3, 2024

Hello,

I have a slight issue that's causing me some inconvenience when using the rule editor within Microsoft Edge (Version 126.0.2592.81).

Whenever I try to load up any ruleset, the ruleset displays an unhappy face like this:

This has only recently started, when opening up the rule editor in another browser e.g. Chrome, the problem disappears.

I've tried to remedy the situation by resetting Edge, Updating Edge Version, Clearing Cache/Cookies etc. but nothing seems to fix it.

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Question Don Martin · Jul 22, 2024

I'm trying to use the EnsLib.SQL.Operation.GenericOperation component in a production to read a column from a Redshift table that is set up as VARCHAR(65535) and am getting the following error.  

An error was received : ERROR #5023: Remote Gateway Error: JDBC Gateway getClob(0,1) errorRemote JDBC error: Cannot convert the column of type VARCHAR to requested type long..

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Question Colin Brough · May 18, 2023

Is CR/LF changes to DTL files edited/committed to git via VS Code a known issue?

We had an issue with exporting files from one server and importing on another, using XML code exported from Studio: ERROR #6301: SAX XML Parser Error. Turns out that issue was down to CR/LF changes made when transferring the XML from one server to the other.

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Question Robert Driver · Aug 5, 2024

Ok, I am attempting to clarify the required use of the RESIZE command, when you have a UNIVERSE or a UNIDATA DB attached to Cache. Traditional UNIVERSE / UNIDATA databases 'require' that hashed files be re-sized according to historic use, to prevent file overflow (aka. performance issues). It is not clear if that requirement is fully eliminated by attaching one of these databases to Cache. It is clear that, if you do not allocate 'enough' space on Cache for the database 'as a whole', that is a problem. But, Cache space allocation for the database 'as a whole' seems to be separate and distinct

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Question Scott Roth · Aug 9, 2024

I was looking for an easier way to build the FHIR Query String, given the Record Map request that is passed into the DTL.

I built this Function, but when I run a message through it, my Query String that is passed back into the DTL is a Reference Pointer and not the String I am looking for. 

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Question Kieran FitzPatrick · Aug 12, 2024

We've just started using Health Connect and I've found that a lot of the messages we get from our patient admin system (System C's CareFlow EPR) don't match the standard 2.3.1 schema (eg 2.3.1 ADT A02 message spec doesn't include NK1 segments, but the ones we receive do)

Does anyone have a custom schema they use for messages from CareFlow EPR that they'd be willing to share?

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Article Muhammad Waseem · Aug 12, 2024 8m read

Artificial intelligence (AI) has transformative potential for driving value and insights from data. As we progress toward a world where nearly every application will be AI-driven, developers building those applications will need the right tools to create experiences from these applications. Tools like vector search are essential for enabling efficient and accurate retrieval of relevant information from massive datasets when working with large language models. By converting text and images into high-dimensional vectors, these techniques allow quick comparisons and searches, even when dealing

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Question Chrissy Dykhouse · Aug 8, 2024

Hello! I was wondering if there was a way to have a Service in HealthConnect restart if there have not seen any messages in a certain amount of time? I have a connection problem that requires me to restart services often and I was hoping to create a task that would automatically restart the services. Thank you! 

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Article Guillaume Rongier · Jul 26, 2024 5m read

It's been a long time since I didn't write an update post on IoP.

So what's new since IoP command line interface was released?

Two new big features were added to IoP:

  • Rebranding: the grongier.pex module was renamed to iop to reflect the new name of the project.
  • Async support: IoP now supports async functions and coroutines.

Rebranding

The grongier.pex module was renamed to iop to reflect the new name of the project.

The grongier.pex module is still available for backward compatibility, but it will be removed in the future.

Async support

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Question Neerav Verma · Aug 10, 2024

What is wrong in this snippet??

Its an iris lab so nothing so personal that someone can't use it

{

    "workbench.colorTheme": "InterSystems Default Dark Modern",

    "intersystems.servers": {        

        "irislab": {

            "webServer": {

                "scheme": "https",

                "host": "35.188.112.210",

                "port": 29363

            },

            "username": "tech",

            "password": "demo"

        }

    },

    "objectscript.conn": {

        "server": "irislab",

        "ns": "USER", // Add your namespace here (e.g., USER)

        "active": true

    }

}

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Article Ray Fucillo · Dec 1, 2023 13m read

When there's a performance issue, whether for all users on the system or a single process, the shortest path to understanding the root cause is usually to understand what the processes in question are spending their time doing.  Are they mostly using CPU to dutifully march through their algorithm (for better or worse); or are they mostly reading database blocks from disk; or mostly waiting for something else, like LOCKs, ECP or database block collisions?

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