-Xclassgc / -Xnoclassgc
Enables and disables the garbage collection (GC) of storage that is associated with Java classes that are no longer being used by the Eclipse OpenJ9™ VM.
When enabled, GC occurs only on class loader changes. To always enable dynamic class unloading regardless of class loader changes, set
Note: Disabling class GC is not recommended because unlimited native memory growth can occur, which can lead to out-of-memory errors.
||Enables dynamic class unloading on demand||yes|
||Disables dynamic class unloading|
These options can be used with all OpenJ9 GC policies.