log.error( "key class=" + key.getClass() );
log.error( "key hashcode=" + key.hashCode() );
log.error( "key toString=" + key.toString() );
if ( key instanceof GroupAttrName )
{
GroupAttrName name = (GroupAttrName) key;
log.error( "GroupID hashcode=" + name.groupId.hashCode() );
log.error( "GroupID.class=" + name.groupId.getClass() );
log.error( "AttrName hashcode=" + name.attrName.hashCode() );
log.error( "AttrName.class=" + name.attrName.getClass() );
}