java
Java heap space exhausted
java\.lang\.OutOfMemoryError:\s*Java heap space
Fixes
- 1.Increase heap size with -Xmx flag (e.g., -Xmx2g)
- 2.Profile memory usage with VisualVM or Eclipse MAT to find leaks
- 3.Check for unbounded collections or caches growing without eviction
- 4.Use streaming/pagination instead of loading all data into memory
memoryheapoom
Related Errors
java3 fixes
Spring Boot bean not found in application context
NoSuchBeanDefinitionException.*No qualifying bean of type
- •Add @Component/@Service/@Repository annotation to the class
- •Ensure the package is scanned: check @ComponentScan or @SpringBootApplication basePackages
java3 fixes
Spring circular dependency during bean creation
BeanCurrentlyInCreationException.*Requested bean is currently in creation
- •Use @Lazy annotation on one of the circular dependencies
- •Refactor to break the circular dependency with an event or interface
java3 fixes
Spring Boot unsatisfied dependency injection
UnsatisfiedDependencyException.*Error creating bean with name
- •Verify the required bean exists and is properly annotated
- •Use @Qualifier to disambiguate when multiple beans of same type exist