help me

[赵峰]

Apache Derby Network Server － 10.4.2.0


String sql="insert into test (id,name) value(1,?)";
PreparedStatement ps=con.prepareStatement(sql);
ps.setObject(1,null);
ps.executeUpdate()


java.sql.SQLException: 不支持此类型。
 at org.apache.derby.client.am.SQLExceptionFactory.getSQLException(Unknown 
Source)
 at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
 at org.apache.derby.client.am.PreparedStatement.setObject(Unknown Source)

----------------------------
　　　   feng zhao
----------------------------