Java: OutOfMemoryErrors Question Why does java.lang.OutOfMemoryError occur? (Click to reveal answer) Answer Occurs when JVM can't allocate memory for new objects. When your e-commerce site faces a surge on Black Friday, JVM may run out of space if there are too many requests being processed and objects being created, leading to an OutOfMemoryError. Additional NotesWhy does java.lang.OutOfMemoryError occur? Track: Java Topic: Performance Tuning Focus: OutOfMemoryErrors Topics: Java OutOfMemoryErrors Performance Tuning