Set the value for the {@code testWhileIdle} configuration attribute for pools created with this configuration instance.
@param testWhileIdle The new setting of {@code testWhileIdle} for this configuration instance
@see GenericObjectPool#getTestWhileIdle() @see GenericKeyedObjectPool#getTestWhileIdle()
See Implementation
Set the value for the {@code testWhileIdle} configuration attribute for pools created with this configuration instance.
@param testWhileIdle The new setting of {@code testWhileIdle} for this configuration instance
@see GenericObjectPool#getTestWhileIdle() @see GenericKeyedObjectPool#getTestWhileIdle()