Java OutOfMemoryError: every message, reproduced
An OutOfMemoryError is not one single problem. The text after the colon tells you which memory area is full: the heap, the Metaspace, the direct memory or the threads. And each area is checked and fixed in a different way. For each message, I wrote a small program that causes it. They are in the public repository java-gc-lab, one file per message, to run with java without compiling first (Java 11 or later). ...