Jeroen Reijn is a Cloud Solutions Architect and AWS Community Builder from the Netherlands, writing about AWS, Serverless, DevOps, Java, and cloud engineering best practices.
111 articles from this blog
A tutorial on unit testing Hippo Site Toolkit (HST2) components using the EasyMock mocking framework to isolate and verify component behavior.
A guide to analyzing large Java heap dumps using Eclipse Memory Analyzer (MAT) to diagnose OutOfMemoryError issues.
A technical guide on writing Java-based updater modules for managing data model changes in Hippo CMS 7.2+.
A guide on adding WebDAV support to Hippo CMS 7, covering setup, configuration, and project status.
A guide to using Apache Tika for extracting content and metadata from various file formats like PDFs, images, and Office docs in content repositories.
An introduction to JBoss ModeShape, a federating Java Content Repository (JCR) that provides a unified interface for accessing content from diverse backend systems.
A guide to creating a custom application launcher for IntelliJ IDEA on Ubuntu Linux, including the necessary shell command.
Explores integrating semantic web standards like RDFa into content management systems to make web content machine-readable.
A guide to implementing on-the-fly JavaScript minification in Apache Cocoon using the JSMin library.
A developer solves a Java resource bundle encoding issue for Japanese characters using the native2ascii utility.
Explains a JCR query limitation in Apache Jackrabbit when sorting on child node properties and discusses a workaround.
Fixing Lightning calendar extension issues in Ubuntu Jaunty after a fresh install, enabling Google Calendar integration.
A developer shares useful Eclipse IDE plugins for Java development, including tools for resource bundle editing, JCR repository browsing, and Hudson build monitoring.
An introduction to Apache Camel, an open-source Java integration framework, covering its core concepts and a practical example for RSS feed processing.
A developer shares experiences from the Maven and Lucene meetups at ApacheCon, discussing tools, plugins, and large-scale Solr usage.
A technical tutorial on implementing background Daemon modules in Hippo CMS 7 for scheduled tasks and repository components.
A developer's troubleshooting guide for Apache Commons FileUpload, focusing on resolving a missing dependency issue in a Java web project.
A developer's preview and technical overview of the upcoming Hippo CMS 7 and ECM platform, discussing its architecture, plugins, and new features.
Fixing Lightning calendar and Thunderbird integration issues after an Ubuntu Intrepid clean install by installing libstdc++5.
A developer reflects on 5 years at Hippo, detailing growth through open source work with Apache projects like Cocoon and contributing to Hippo CMS.
