How to write java.sql.Blob to JPA entity?

Question

I have a JPA entity with java.sql.Blob:

@Entity
public class LargeData {

  @Lob
  private java.sql.Blob data;

  //getters/setters
}

How t

Answer 1

Use a byte array:

@Lob
@Column(length=100000)
private byte[] data;

If you want to use streams, create the blob using Hibernate.createBlob(..)