JavaBeat

We encountered the dreaded java.lang.OutOfMemoryError: PermGen space error What does it means - Permgen Space is the space where the class files are all loaded for the first time and there after they are loaded or referenced from there. This error means there is a hell lot of duplicate classes being loaded and not all are being unloaded. [...]

1)Introduction JMS API is Java Message Service API that allows components to communicate asynchronously. JMS enables two components to send and receive message without knowing each other. Spring provides support for JMS programming. Spring is a widely used framework to develop enterprise application. It is bundled with many APIs like AOP, IOC Spring MVC,Spring JMS [...]

We encountered the dreaded java.lang.OutOfMemoryError: Java heap space error. How often do we hit this error and look in bewilderment. What does it means - Means there is a hell lot of objects being created and not all are being marked for GC. These stray objects are cluttering the heap space and resulting in this error. This is [...]