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Since ArrayList implements List
interface. Child class can be casted to super, but
super cannot be casted to its child Best, From:
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Found the problem and solution. The setter method in my code was accepting ArrayList,
so it was throwing the java.lang.IllegalArgumentException: argument type
mismatch. But the Ibatis was returning List object. Why Ibatis can not convert from List to
ArrayList. ????????????? Thanks n Regards, ============================= Rambabu Piridi. Software Engineer, Wipro Technologies, Madhapur, e-Mail : [EMAIL PROTECTED] ============================== From: Rambabu
Piridi (WT01 - TELECOM SERVICE PROVIDER) Hi, Can any one please spend some time for
this. I have to deliver the code today. I am doing lazy loading. I am doing
basically N+1 loading. I have two tables which has 1:N relationship. If the table have the data with 1:1 ratio
then my query is working fine. But if any of master is having more than one detail
record then it is throwing the following error. --- Check the result mapping for the 'properties'
property. --- Cause: java.sql.SQLException: Error: executeQueryForObject
returned too many results. Here i am giving the my mapping file. <resultMap id="userMapOne"
class="user"> <result property="userid" column="USR_ID"/> <result property="role" column="ROLE_ID"/> <result property="description" column="DESCRIPTION"/> <result property="properties" column="USR_ID" select="select2" /> </resultMap> ( I have set method for properties attribute and this accepts
object of type property) <resultMap id="userMapTwo" class="property"> <result property="userid" column="USR_ID"/> <result property="propertyname" column="PROPERTY_NAME"/> <result property="propertyvalue" column="PROPERTY_VALUE"/> </resultMap> <statement id="RamBabu" resultMap="userMapOne"> select * from USR_BASIC_INFO </statement> <statement id="select2" resultMap="userMapTwo"> select * from USR_EXTENSION_INFO where
USR_ID=#userid# </statement> thanks.
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