Tag: java

2 articles

Fix: java.lang.ClassNotFoundException (Class Not Found at Runtime)

Apr 16, 2026

How to fix Java ClassNotFoundException at runtime by resolving missing dependencies, classpath issues, Maven/Gradle configuration, JDBC drivers, classloader problems, and Java module system errors.

java maven gradle

Fix: java.lang.OutOfMemoryError: Java Heap Space / GC Overhead Limit Exceeded / Metaspace

Mar 25, 2026

How to fix Java OutOfMemoryError including 'Java heap space', 'GC overhead limit exceeded', 'Metaspace', and 'unable to create new native thread' with heap tuning, GC configuration, memory leak detection, and Docker container fixes.

java jvm docker gradle maven