Article
· Mar 18, 2018 1m read
Replacing ZEN - Index to articles

Hi All
This is the index to a series of articles I hope to create over the coming months.

ZEN and ZEN Mojo are no longer being actively developed by Intesystems - this is a great shame as it is a fine product that works so well for business applications.
However ZEN is a 15 year old product and I need a path forward to replace the ZEN UI with a supported development framework.

This article is an index of the other articles I have, or plan to write. - the articles will be subject to change as I develop my thoughts and climb the learning curve.

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Hi everyone,

I have an existing application on HealthShare 2015 and decide to move it to HealthShare 2018 to make use of Atelier support. I am using Eclipse Photon with Atelier Plugin 1.3.

Most of things are working better on Atelier comparing with Built-in studio of HealthShare. However, when I tried debugging CSP file with Atelier I encounter 2 problems:

1.

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When you first start working with InterSystems IRIS, it’s a common practice to install a system with only a minimum level of security. You have to enter passwords fewer times and this makes it easier to work with development services and web applications when you're first getting acquainted. And, sometimes, minimal security is more convenient for deploying a developed project or solution.
And yet there comes a moment when you need to move your project out of development, into an Internet environment that’s very likely hostile, and it needs to be tested with the maximum security settings (that is, completely locked down) before being deployed to production. And that’s what we’ll discuss in this article.
For more complete coverage of DBMS security issues in InterSystems Caché, Ensemble, and IRIS, you may want to read my other article, Recommendations on installing the InterSystems Caché DBMS for a production environment.
The security system in InterSystems IRIS is based on the concept of applying different security settings for different categories: users, roles, services, resources, privileges, and applications.

Users can be assigned roles. Users and roles can have privileges on resources — databases, services, and applications — with varying read, write, and use rights. Users and roles can also have SQL privileges on the SQL tables located in databases.

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Question
· Jun 2, 2020
Node.js fails to open database

Hi,

My attempt to run a node.js command fails at the open command with a "Error loading Cache Library: C:/InterSystems/Cache2018/bin/cache.dll; Error Code 126 (The specified module could not be found.)" result. I can't argue with the error message as the cache.dll file doesn't exist. Apparently I missed an installation step. Could somebody point out what it might be please.

Version: Node.js Adaptor for Cache: Version: 1.1.136a (ABI=48)


Cache for Windows (x86-64) 2018.1.4 (Build 504) Thu May 14 2020 14:31:34 EDT

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Hello,

We are wondering how could we iterate over a segments list,

The use case is that we are sending from Process X to process Y a message, only if at the OBR4 CE1 there is a certain code. We were getting this field as follows:

set context.studyReason = request.GetValueAt("ORCgrp(1).OBRuniongrp.OBRunion.OBR:UniversalServiceIdentifier.Identifier")

How could we iterate over the following message and get both OBR4 CE1 (1 and 2):

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In this article, we will explore the development of an IRIS client for consuming RESTful API services that have been developed to the OData API standard.

We will be exploring a number of built-in IRIS libraries for making HTTP requests, reading and writing to JSON payloads, and seeing how we can use them in combination to build a generic client adaptor for OData. We will also explore the new JSON adapter for deserializing JSON into persistent objects.

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I am using the Java Binding to connect a Java Middleware Application to Cache. Originally I was using a CacheListOfDataTypes (JAVATYPE = "java.lang.List") object to bring data back. I was tasked with encrypting the data using AES and I was using the AESCBCEncrypt function on the List elements (up to 20k characters for each element) to bring it back before concatenating it on the middleware. This almost worked. Like 95% of the characters were being decrypted correctly but some text was coming back garbled. I couldn't understand how this was happening.

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Hi All,

So after finally getting cache to install (by enabling root user and disabling the gatekeeper) it tells me that it has started with one alert... that is "Private web server has not started after 5 seconds." - urgh!

Obviously i need access to the management portal to continue setup, I've done lots of googling but i cant find anything on this, does anyone have any ideas?

Many thanks,

Dan

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Hi ObjectScript developers!

How to Protect Your Belongings from Pests While Moving - Delicate ...

InterSystems ObjectScript is perhaps the best language on the planet to deal with globals - and it is an interpretable language.

Yes, it has a compiler. But even the compiler can compile some lines in ObjectScript which will then fire as bugs during the runtime.

There are some technics on how to avoid that such as unit testing, coding guidelines and your coding experience, of course ;)

Here I want to present to you the yet another approach to how you can reduce the number of errors in your ObjectScript runtime and enforce coding guidelines - it's an ObjectScript Quality tool developed by Lite Solutions, InterSystems solution partner.

See the details below.

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Question
· May 24, 2020
calling AIX command failed

I can run the following commands from the AIX command line prompt without any problem

-bash-2.05b$ echo t
t
-bash-2.05b$ echo œ
œ

When I call from insider cache, I have problem.

USER>D $ZF(-1,"echo t")
t

USER>D $ZF(-1,"echo œ")

D $ZF(-1,"echo œ")
^
<TRANSLATE>

I am using cache 2017.2. Can someone shed some light?

Thank you.

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