eCommerce Research Portal
Thousands of unstructured research articles trapped in a legacy CMS. The brief: migrate every piece of content into AEM 6.5 without losing fidelity, while the authoring team continued publishing at full pace.
The Challenge
A large eCommerce research portal had accumulated thousands of legacy research articles in an aging, non-AEM CMS — unstructured payloads with inconsistent formatting, broken taxonomies, and no native mapping to AEM component architecture. The business couldn't afford a freeze: heavy daily authoring traffic meant content teams were publishing throughout the migration window. Multi-tenant content drift was compounding the problem — different tenant environments were diverging in structure as the migration progressed, creating reconciliation risk. The pipeline had no formalised CI/CD backbone to govern content promotion across environments, which meant deployments were manual, error-prone, and impossible to audit at scale.
Our Solution
GYSP led the end-to-end technical migration strategy, starting with a structural analysis of the legacy payload formats to design a systematic mapping to AEM 6.5 native components. Custom adapter classes were built using Sling Models, translating unstructured legacy content into properly typed AEM components within the Sling runtime — preserving semantic structure and editorial fidelity across thousands of articles. Multi-tenant content drift was addressed by establishing tenant-scoped migration batches with reconciliation checkpoints, ensuring environment consistency throughout the ten-month programme. A formalised CI/CD pipeline was configured via Bitbucket and Adobe Cloud Manager to govern content promotion across Dev, Stage, and Production — removing manual handoffs and giving the team an auditable, repeatable deployment process capable of handling the authoring team's daily traffic without conflict.
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Get free briefKey Deliverables
- Technical migration strategy covering thousands of legacy research articles from a non-AEM CMS to AEM 6.5 On-Premises
- Custom Sling Model adapter classes built to transform unstructured legacy payloads into native AEM components
- Multi-tenant content drift resolved through scoped migration batches with reconciliation checkpoints
- CI/CD pipeline established via Bitbucket and Adobe Cloud Manager for auditable, repeatable content promotion
- Migration executed in parallel with live daily authoring — no content freeze required
Services Delivered
- CMS Migration
- Web Development
- Content Engineering
- IT Consulting
Tech Stack
Frequently Asked Questions
What is a Sling Model and how was it used in this AEM migration?+
Sling Models are Java annotation-driven adapter classes within the Apache Sling framework that underpin AEM. They allow developers to map resource properties to Java objects, effectively acting as a translation layer between raw repository data and AEM components. In this migration, GYSP built custom Sling Model adapters to transform unstructured legacy CMS payloads — which had no native AEM structure — into properly typed, component-ready content within the Sling runtime. This allowed thousands of articles to be ingested without manual reformatting.
How do you migrate content to AEM without disrupting live authoring?+
The key is designing the migration pipeline to run alongside — not in place of — the live authoring environment. GYSP structured the migration in tenant-scoped batches with reconciliation checkpoints, ensuring that newly published content from the authoring team was captured and not overwritten by in-flight migration jobs. The Bitbucket and Cloud Manager pipeline provided environment separation so migration promotion to Stage and Production never collided with the team's daily publishing workflow.
What is multi-tenant content drift and how was it resolved?+
In a multi-tenant AEM environment, each tenant's content structure can diverge over time — especially during a migration where different tenant batches are processed at different times. Content drift occurs when a tenant's repository state in one environment (e.g. Stage) no longer matches another (e.g. Production) due to out-of-order migrations, missed updates, or conflicting authoring activity. GYSP resolved this by implementing tenant-scoped reconciliation checkpoints — validating structural consistency for each tenant's content before promotion — and using Cloud Manager's pipeline governance to enforce sequenced, auditable deployments.
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