java

JVM ZGC allocation stall

ZGC.*Allocation Stall.*GC.*not keeping up

Fixes

1.Increase heap size to give ZGC more room
2.Set -XX:SoftMaxHeapSize to a value below -Xmx
3.Reduce allocation rate in application code (object pooling, etc.)

jvmzgcgc

Related Errors

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

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

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