How to free up memory?

Question

We have been facing Out of Memory errors in our App server for sometime. We see the used heap size increasing gradually until finally it reaches the available heap in size. This

Answer 1

Triggering the garbage collection manually doesn't solve your problem - it won't free resources that are still in use.

You should use a profiling tool (like jProfiler) to find your leaks. You problably use code that stores references in lists or maps that are not released during runtime - propably static references.