I'm attempting to configure VS Code's InterSystems Server Manager to establish a connection to an IRIS for Health server. It has a standalone CSP gateway running on an Apache server with TLS enabled. The port for all IRIS api and browser traffic is 443.

I've configured the webServer section's host, port, and variations on pathPrefix (including no pathPrefix entry), and have the correct user ID set. The password is stored in the server keychain.

The connection simply fails with "Server could not be reached." Nothing in the Output or Problems tabs.

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Having developed systems using Caché ObjectScript and Ensemble on various projects over the last 4 - 5 years I'm considering trying for some certifications. I've found details of the Caché Systems Administrator and Caché Application Developer certifications but have a couple of questions:

1) Is there a certification for Ensemble Application Developer?

2) Are any sample questions and/or practice exams available?


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Nic Lorenzen · Feb 28, 2016
Mocking tools for Unit Testing

Hello everyone!

Does anyone know of a library that can be used to create Mock objects for Objectscript classes?

Right now, my team has been building mock objects by hand to help circumvent dependencies when writing and executing unit tests, but I always wondered if someone had ever created a Mock library like Mockito to help quicken the process.


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Nigel Salm · May 12, 2017
Web Sockets


I am working on a project that will interact with some software called ROS (Robot Operating System). One of the development challenges we have is as follows:

ROS uses web sockets... So one connect with ws://localhost:9090 to the web socket server. It starts off as http, but then "upgrades" to web socket. It then keeps open this "tunnel" for bi-directional communication..

I need something like a HTTP Outbound adapter, but the Web Socket version of it...

Does anyone have any experience in this area?


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When I go through the Atelier Cheat Sheet on the connection configuration, it talks about an Eclipse master password and asks for two hints to remember the master password. However, it does not specify the master password. I can only assume the master password is the same as the Cache instance password.

Can anyone shed some light on this master password, where or how it is used, and any other useful information?

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Hi Team,
If any possible to add a rewards list of InterSystems cache certification to InterSystems Global Masters. For example ,developer or global master user have 10000 point as , we give any offer(price) to attend the InterSystems cache/Ensemble/IRIS certificate. So no.of developer try to attend the exam and get certification.This is very useful for developer career and we also have lot of Cache developers in the market. Please correct me, if I am wrong..

Thanks ,
Ponnumani Gurusamy.

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Hello All,

I have a question / issue regarding the calling list.FindOref(<object from indexOpen call>)
Here is a simple way to reproduce the issue:
2 classes: Utility.contacttypes and Utility.person

Class Utility.contacttypes Extends %Persistent
Property description As %Library.String(TRUNCATE = 1);
/// Index for property description
Index descriptionIndex On description [ Unique ];


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How suitable is Docker for standalone deployment of an Ensemble version and Ensemble application together?

The context is deployment by an application partner of an integration application and the supporting Ensemble version as a single package (single file ideally), to multiple environments and to multiple customer sites.

I don't have experience with Ensemble on Docker so I'm wondering what gaps and pitfalls may exist.

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Data transformations can be changed in Management portal, but the modifications are not synced with visual studio code. Classes are synced from VSCode to Iris. VSCode can take care of the git repository.

I am curious to know how people are developing data transformations on Iris with VSCode? Are you editing the DT classes with VSCode and forget about the UI? Are you exporting from management portal the files to VSCode directory? Are you using a source control hook?

Thank you

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Dmitry Maslennikov · Jan 12, 2020
Timeout for $zf

In one of the projects, when we have ECP with 10 ECP application servers, from time to time we faced the issue when our journals fail to purge, due to open transactions. While we have about 100-150 GB journal files per day, it quite quickly became a big issue, and with mirroring a very big issue. Mostly we just rebooted our ECP Data server, so it searches rollbacks any transactions, but such process is too long, may steal a few hours. I did not find any way, how to get the list of the open transactions from one place from ECP Data Server. We just migrated our Data server to 2018.1.

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