Could not set property 'products' of ' class bean.Order' with value 'bean.Pr oduct@190e513' Cause: j

<resultMap type="bean.Order" id="orderMap">
		<id property="id" column="oid"></id>
		<result property="name" column="oname"/>
		<result property="address" column="address"/>
		<result property="createTime" column="createtime"/>
		<collection property="products" ofType="bean.Product" column="odoid ">
		 	<id property="id" column="pid"></id>
		 	<result property="price" column="price"></result>
		 	<result property="name" column="pname"></result>
		 	<result property="description" column="description"></result>
		 	<result property="manufacturer" column="manufacturer"></result>
		 	<result property="num" column="amount"/>
		</collection>
	
	</resultMap><resultMap type="bean.Order" id="orderMap">
		<