Java crash?
App restart loop?
Memory spike?

It’s not “just heap”.

There are 9 JVM memory failure zones
9 types of OutOfMemoryError
9 different root causes
9 different fixes

Stop tuning blindly.
Start diagnosing correctly.

Visit: https://blog.heaphero.io/types-of-outofmemoryerror/

#Java #JVM #Programming #DeveloperLife #BackendDeveloper #OutOfMemoryError #TechEducation

OutOfMemoryError isn’t a memory problem.
It’s a reference problem.
Objects stay alive because references stay alive.
GC can’t free what’s still reachable.

Visit: https://blog.heaphero.io/java-outofmemoryerror-heap-space/

Fix references → Fix memory.
#Java #JVM #MemoryManagement #OutOfMemoryError

Every Java developer remembers their first:

java.lang.OutOfMemoryError: Java heap space

Logs flooding.
App crashing.
GC going crazy.
Panic mode ON. 😅

Most people react by increasing heap size.

More info - https://blog.heaphero.io/java-outofmemoryerror-heap-space/