ory overflow you should use resetHash() method. 
This method just clear hash table. After invocation of this method, you should not use any variable
referencing persistent objects. Instead you should invoke getRootObject method and access all other 
persistent objects only through the root.
</DL></A>


<HR>
<A NAME = "Storage.gc">
<B>gc()</B>
<DL><DD>
Explicit start of garbage collector. Garbage collector will collect only committed object, so there is no need
to invoke garbage collector more than once with