The daily ledger

IntelliJ IDEA 2026.2.4 Is Out!

IntelliJ IDEA 2026.2.4 is now available! You can update to this version from inside the IDE, using the Toolbox App, or using snaps if you are a Ubuntu user. You can also download it from our website. The latest update…

Compromised eMudhra Certificates: Update Your JetBrains IDEs, ReSharper, .NET Tools, Toolbox App, and Gateway Now

Summary Available fixed versions The issue is fixed in the following versions: The 2025.2.6.* updates for all IDEs now contain only the JBR fix. They will get a separate hotfix for the JCEF problem. Until then, use a…

JDK 27 G1/Parallel/Serial GC changes

Now that the JDK 27 has been released, I thought it would be time to discuss interesting changes in OpenJDK’s stop-the-world collectors in the HotSpot VM once more.

Cache Stampedes: Thundering Herds and the Fixes That Actually Work

Your cache hit rate is 99 percent, and the dashboard is green. Then one popular key expires. Within milliseconds, hundreds of requests miss together and rush to the database. That rush has a name, and it has a handful…

Java Weekly, Issue 669

Java 21 to 25 upgrades and lots of solid security releases. As expected after the weeks we've had :) The post Java Weekly, Issue 669 first appeared on Baeldung.

Query Transformation in Spring AI Modular RAG

Learn how to set up query transformation in Spring AI for retrieval augmented generation. The post Query Transformation in Spring AI Modular RAG first appeared on Baeldung.

Handle Forwarded Headers in Spring Boot

Learn various strategies for handling forwarded headers in a Spring Boot application. The post Handle Forwarded Headers in Spring Boot first appeared on Baeldung.

Snapshot Isolation and Write Skew: The Anomaly Your Database Default Allows

Most teams never touch the isolation level. The database picks one, the tests pass, and everyone moves on. Then, months later, two requests arrive at the same moment and a business rule quietly breaks, with no error in…

How hard is it to check for whitespace?