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OGG-02454 Trail not found in checkpoint file when migrating a Coordinated Replicat

When migrating a Coordinated Replicat for a client, I faced a very specific OGG-02454 error that I wanted to share. When using the migration utility on a Classic Architecture Coordinated Replicat, every attempt failed at(…)

GoldenGate DB2 z/OS upgrade checklist

Upgrading GoldenGate when the source is DB2 for z/OS is not quite the same exercise as upgrading a GoldenGate installation for Oracle. Most of what I described in my generic blogs about planning a GoldenGate(…)

GoldenGate extract abending on NFS trail: OGG-02897 / OGG-01668 Input/Output Error

While working on a client’s GoldenGate 26ai environment, I ran into a NFS-related replication issue that could have been serious, had it happened in production. Here is what happened and how the issue was fixed. The client’s GoldenGate(…)

GoldenGate 26ai out-of-place patching with the web UI

For some customers, the end of support for GoldenGate 19c in May this year and the migration to Microservices Architecture mean that they have to adapt their patching procedures (if they had any !). Let’s(…)

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(…)

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(…)