JPetStore 5.0(iBATIS for java)ÖÐItem.xmlµÄbug

Caused by: java.sql.SQLException: ORA-00918: column ambiguously defined
Caused by: com.ibatis.common.jdbc.exception.NestedSQLException:  
--- The error occurred in com/ibatis/jpetstore/persistence/sqlmapdao/sql/Item.xml. 
--- The error occurred while applying a parameter map. 
--- Check the getItem-InlineParameterMap. 
--- Check the statement (query failed). 
--- Cause: java.sql.SQLException: ORA-00918: column ambiguously defined
change  com\ibatis\jpetstore\persistence\sqlmapdao\sql\Item.xml to
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<select id="getItem" resultClass="item" parameterClass="string" cacheModel="quantityCache">
      select
      I.ITEMID,
      I.LISTPRICE,
      I.UNITCOST,
      I.SUPPLIER AS supplierId,
      I.PRODUCTID AS "product.productId",
      NAME AS "product.name",
      DESCN AS "product.description",
      CATEGORY AS "product.categoryId",
      STATUS,
      ATTR1 AS attribute1,
      ATTR2 AS attribute2,
      ATTR3 AS attribute3,
      ATTR4 AS attribute4,
      ATTR5 AS attribute5,
      QTY AS quantity
    from ITEM I, INVENTORY V, PRODUCT P
    where P.PRODUCTID = I.PRODUCTID
      and I.ITEMID = V.ITEMID
      and I.ITEMID = #value#
  </select>