hello,i am chinese ,so my english is not good ,sorry! i use hibernate orm + jdts.13 connection sqlserver 2008 , and there are a class of User . class User { .... private Blob pictureImg; ...... } when i save user ,i got a problem " net.sourceforge.jtds.jdbc.JtdsPreparedStatement.setBinaryStream(JtdsPreparedStatement.java:1234) ", i know jtds do not implement the method " setBinaryStream" . but i use hibernate 3 ,it's work well, why? has hibernate-release-4.3.4.Final this " bug" ,i hope your reply,thank you