cmp2.0中find方法查询问题
jb8.0+weblogic7.00+sql2000
建了一个datasource,add USR表,从这个表Create cmp2.0 Entity Bean
在这个bean里创一个方法:findIDByName
return type:java.util.Collection
input parameter:String name
home interface:local home
其余属性空
query:select object(a) from USR as a where name = ?1
编译通过,可是测试客户端调用此方法时报如下错误,为什么,怎么解决?
"MyEjb1.ejbgrpx": Invalid Expression: Could not find an entity EJB for abstract schema name, 'USR', which is declared in a range variable declaration. Check to be sure that an EJB is defined in the ejb-jar.xml descriptor with this abstract schema name.