hi im using thre tables table 1 which is a primary table which has two secondry tables table 2 and table 3 i want to insert the values to the secondry table table3 which colom is mapped to primary table using manyto one annotation Table structure Table1 1)Productid 2)ReviewId-primary key table3 1)Commentid---primarykey 2)reviewid--mapped with primary table 3)comments table2 1)userentryid------primarykey 2)2)reviewid--mapped with primary table i want to insert value in table3 only where the commentid is autogenerated and userid is get from the session but i cant able to set review id because it is mapped as oblect how to insert the value the example code is @Table(name="TBL_REVIEWS") | public class TblReviews implements Serializable { | @Id | @GeneratedValue(generator="SeqID") | @SequenceGenerator(name="SeqID",sequenceName="TBL_REVIEWS_SEQ",allocationSize=1) | @Column(name="REVIEW_ENTRY_ID") | private Long reviewEntryId; | | @OneToMany(mappedBy="reviewEntryId",fetch=FetchType.EAGER,cascade={CascadeType.ALL}) | private Set<TblComments> tblCommentsCollection; | | | public Set<TblComments> getTblCommentsCollection() { | return this.tblCommentsCollection; | } | | public void setTblCommentsCollection(Set<TblComments> tblCommentsCollection) { | this.tblCommentsCollection = tblCommentsCollection; | } | //other getters and setters | | @Table(name="TBL_COMMENTS") | @Name("tblcomm") | public class TblComments implements Serializable { | @Id | @GeneratedValue(generator="SeqID") | @SequenceGenerator(name="SeqID",sequenceName="TBL_COMMENTS_SEQ",allocationSize=1) | @Column(name="COMMENTS_ID") | private Long commentsId; | | private String comments; | @ManyToOne | @JoinColumn(name="REVIEW_ENTRY_ID") | private TblReviews reviewEntryId; | //other getters and setters | | public TblReviews getReviewEntryId() { | return this.reviewEntryId; | } | | public void setReviewEntryId(TblReviews wEntrreviewEntryIdyId) { | this.reviewEntryId = wEntrreviewEntryIdyId; | } when i try the code like this @In(required=false) | TblReviews tr=new TblReviews(); | | @In(required=false) | TblComments tblcomm; | @Out(required=false) | @RequestParameter | Long rid4comm; (review entry id value) | | public void writeComment() { | tr.setReviewEntryId(rid4comm); | tblcomm.setReviewEntryId(tr); | em.persist(tblcomm); | } it inserting the other values except reviewentryid in secondry table how to achive it thank u regards kaviarasu View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4082527#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...