错误object references an unsaved transient instance - save the transient instance

object references an unsaved transient instance - save the transient instance before flushing: com.xuguang.u8.rdrecord.bean.RdRecordTubeCode
hibernate 配置如下
<class name="RdRecords" table="rdrecords" schema="dbo">
<id name="autoID">
<generator class="assigned"></generator>
</id>
<many-to-one name="inventory" column="cInvCode" lazy="false" update="false" insert="false"></many-to-one>
<property name="quantity" column="iQuantity" update="false" insert="false"></property>
<property name="unitCost" column="iUnitCost" update="false" insert="false"></property>
<property name="price" column="iPrice" update="false" insert="false"></property>
<many-to-one name="RdRecord" column="ID" lazy="false" update="false" insert="false"></many-to-one>
<set name="tubeCodes" lazy="false">
<key column="autoID"/>
<one-to-many class="RdRecordTubeCode"/>
</set>
</class>

<class name="RdRecordTubeCode" table="rdrecordsTubeCode_002_2009" schema="dbo" catalog="U8_xuguang">
<id name="id">
<generator class="native"></generator>
</id>
<property name="autoID"></property>
<property name="tubeCode"></property>
<property name="rdID"></property>
</class>


在<set>中，加入及联更新  cascade="all"