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#Debugging

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Debugging is the process of finding and resolving defects or problems within a computer program that prevents the correct operation of computer software or a system.

Contestant

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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Article
· Nov 24 4m read
Journal File Indexer

Hi community!

In this article, I'm excited to introduce my latest application, Journal File Indexer. The development of this application is rooted in the portal idea DPI-I-270.

In short, this application lets you load and index a log file in a database.

Why?

If you've ever used the log file search function in the management portal, you may have encountered a timeout error or even a blank page. This problem usually occurs when searching a large journal file. Journal File Indexer solves this problem by considerably increasing the speed of searches once the file has been loaded into the database.

Another problem arises during the restoration process. When searching for global entries in a log file to restore old or new values, the management portal doesn't have this specific functionality. A routine must therefore be coded to achieve this. Journal File Indexer comes to the rescue, incorporating a restore function!

Open Exchange app
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Pointers please for debugging a SOAP web-client.

We have several clients in different productions all accessing a web-service. We are trying to add another client in a new production, and its not working. The messages between the relevant Process and the SOAP web-client Operation are the same in the working and the non-working productions. But the web-service is reporting an XML parsing error to the non-working production. Here's the error as reported in the SOAP web-client Operation...

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With the world (as well as our own technology) moving to the cloud at such a fast pace it is easy (at least for myself) to get caught up in the little details. One thing I, and some clients of ours, had run into a couple of times was the necessity to specify the version of the images one plans to use with the IKO.

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Context

I have created a Business Operation (BO) named "Sender" that sends HTTP messages to an endpoint (for testing, I'm using Postman's Mock Servers).

Goal: I want to set up an automatic timeout mechanism so that if I don't receive a response from the server within 18 seconds, an alert is generated and the message is resent. This process should be repeated every 18 seconds, for a maximum of 90 seconds. If no response is received within 90 seconds, I would like to generate an error message. On the other hand, if a response is received, I want to stop the resending process and complete the operation by indicating successful reception.

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Hi I am trying to run a debugger in VS Code. I have the settings.json file and the launch.json file. I am trying to debug code using the attach to a process method, however when I run the debugger I get the following error.

Launch.json code

{

// Use IntelliSense to learn about possible attributes.

// Hover to view descriptions of existing attributes.

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Intro

If you ever wondered how to debug some requests that are being made to or from IRIS, well here is a little tutorial on how to do that.

During a complex project, usually you get the specifications and implement the communication between IRIS and other things based on that. But from the paper to the real world there's usually a huge gap and you need to know why you are receiving an error on a parameter, on a header, you are not receiving the data and so on.

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Question
· Apr 20
Uninstalling Ensemble

On a developer's laptop, having had two or three Ensemble installs with different settings/config changes made, and encountering unexplained errors compiling classes, wanting to scrub as much of the previous installs off the machine before doing any fresh installation... But can't find clear documentation on doing a complete uninstall!

Have stopped the server.

Am I safe to remove C:\InterSystems\Ensemble (for the instance installed into that folder)?

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Exported contents of a namespace on one server (classes, include files and lookup tables). Importing that code into a newly created namespace on another server. Both servers Ensemble 2018.1, same build. Export was via InterSystems Studio. Export is around 18Mb in total (XML file sizes).

When importing and compiling on the new server, getting errors as below - with #6301: SAX XML Parser error prominent - on a number of the imported files, all containing data transformations or business processes.

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Article
· Jan 23 2m read
Global-Streams-to-SQL #2

Some technical background information

There is not just one class in this package: rcc.gstream.cls but also rcc.gstreamT.cls

While rcc.gstream works with direct access to the stream globals, the *T version uses
a Process Private Global (PPG) as Temporary storage.
using SELECT * FROM RCC.gstreamT WHERE RCC.useT('^jpgS')=1 and similar.

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Article
· Jan 23 2m read
Global-Streams-to-SQL

In general Global Streams are data objects embedded in Classes / Tables.
Using and viewing them with SQL is normally a part of the access to the containing tables.

SO WHAT?

During debugging or searching for strange or unexpected behavior there could be the need to
get closer to the stored stream. No big problem with direct access to Globals with SMP or Terminal.
But with SQL you are lost.
So my tool provides dynamic access to Global Streams wherever you may need this
Special thanks to @Oliver Wilms for the inspiration for this tool.

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I've faced a problem that happens while debugging a process in VSCode. It doesn't seem to matter if this is in a container, on my development VM, or against a locally installed version of IRIS. The problem seems to be mostly with X12 Documents.

So, in a debug session, I can dump out a value to the debug console and it loos correct. The same variable in VSCode appears to be some uninitialized memory location.

In the interactive debugger window:

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Only a few days to go until the Global Summit! George James Software will be on hand to talk about any projects you may have on the horizon, such as application development, data and platform migration, system integration, training, and support – we can work with you to find practical and maintainable solutions that support the growing needs of your organization.

We're also running a User Group Session on Wednesday, July 22nd at 12pm. It's a great opportunity to find out more about our tools and ask us (and current users!) any questions.

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Come and say hi to us in the Partner Pavilion at the Global Summit!

We’ll be showcasing our Serenji on-the-spot debugger which has undergone some big changes in the last year—users can now enjoy a seamless debugging experience with zero configuration, along with taking advantage of the latest features in VS Code itself, enabling users to smoothly identify and quickly fix errors in your code, contributing to the production of quality, maintainable code.

If you want to see Serenji in action look for us in the Partner Pavilion, we'll be on hand to show you a demo. Prospective users are also welcome to join our User Group Session during the lunchtime session on Wednesday, June 22nd. Email laurelj@georgejames.com to let us know you'll be there.

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