Recent Posts

Join the NLJUG JSpring Conference on Thursday, June 5

Author: Martin Smelt Original post on Foojay: Read More Join the Dutch Java community at J-Spring 2025, the premier Java conference in the Netherlands, taking place Thursday, June 5th at Jaarbeurs Utrecht. This international event, organized by the NLJUG (Dutch Java User Group), will be bigger than ever before, offering attendees a comprehensive program featuring world-class speakers from across the globe. Dive deep into …

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How to Deploy a Vaadin Application as a WAR on Tomcat 11

Author: Simon Martinelli Original post on Foojay: Read More Table of Contents Step 1: Download Tomcat 11Step 2: Create a New Vaadin ProjectStep 3: Adjust the pom.xmlStep 4: Update the Spring Boot Application ClassStep 5: Build the Application for ProductionStep 6: Deploy the WAR to TomcatConclusion If you want to run a Vaadin application on an external servlet container like Apache Tomcat …

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What is RAG, and How to Secure It

Author: Brian Vermeer Original post on Foojay: Read More Table of Contents Why use RAGHow RAG Works 1. Retrieval 2. Generation Security implications of using RAG Prompt injection through retrieved content Data poisoning Access control gaps in retrieval Leaking PII to third-party models Caching risks and session bleed Contradictory or low-quality information Proactive and remediation strategies for securing RAG Sanitize …

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