Julien Delattre

USERID Syntax Warning in GoldenGate Migration Utility

When running the GoldenGate migration utility, which I presented in a previous blog post, you might encounter the following warning on USERID syntax: WARNING: USERID/PASSWORD parameter is no longer supported and(…)

OGG-08048 after patching GoldenGate: explanations and solutions

When patching GoldenGate Classic Architecture, you might encounter an OGG-08048 error when restarting your extracts and replicats. OGG-08048: Failed to initialize timezone information. Check location of ORACLE_HOME. What should you do exactly, and how do you avoid this(…)

Create a new GoldenGate deployment with the REST API

Is it possible to create a new GoldenGate deployment with the REST API ? This is the question I will try to answer in this blog, based on my experience with the REST API. I will dive in what(…)

Creating an Oracle Cloud Infrastructure VM Using the CLI

Oracle Cloud Infrastructure (OCI) provides an easy-to-use command line interface named oci, with which you can do a lot of administrative tasks. Let’s see in this blog how to create virtual machines in OCI with this. Setting(…)

Relocate trail files with convchk when migrating GoldenGate to the Microservices Architecture

Depending on the location of your GoldenGate trail files, you might have to use the convchk utility to relocate them before migrating to the Microservices Architecture. Oracle has the following restrictions for using the(…)

Production-ready GoldenGate REST client in Python

Updated in June 2026, based on the latest version of the client. In this blog, I provide GoldenGate administrators with a fully working, production-ready Python client to efficiently handle GoldenGate REST API calls. From extract creation to user(…)

Querying GoldenGate REST API log efficiently

In this blog post, I will guide you on how to query the restapi.log file of your GoldenGate deployments more efficiently. These logs are a valuable source of information for GoldenGate administrators but are unfortunately not easy to analyze.

Save your credential store before patching GoldenGate !

I recently had an issue with the GoldenGate credential store at a customer when patching a GoldenGate 19c setup with the latest 19.30 patch. Since it is not the first time that I have encountered this problem, I figured(…)

MongoDB DMK 2.4.0 : new features

In this blog, I will present the new features introduced with the latest release (2.4.0) of the MongoDB DMK. The DMK is a set of standardized tools that aims at easing the work of DBAs by having dbi’s(…)

OGG-08116 when creating a connection with GoldenGate REST API

When playing around with the GoldenGate REST API, you might have encountered the OGG-08116 error. It happens when using the Create Connection REST API call, with the following endpoint given in the GoldenGate documentation.