1.实际上schema是被缓存的,通过HashMap类型mapUrlToSchema缓存,获取的schema类型为SoftReference key是形如"file:///D:/eclipse/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/openbi_demo/WEB-INF/classes/cubes/work.xml.jdbc:oracle:thin:@192.168.129.118:1521:orcl{}.WORKLOAD”的。 2.在RolapSchema中,有internalConnection变量存放OlapConnection