oracle存储过程，可以通过sqlcode 获取异常编码、通过sqlerrm获取异常信息。

例子：

create or replace procedure write2blob(p_id        in number, --id p_blob_data in blob, p_msg out varchar2) --数据 is v_lobloc blob; --目标blob字段 v_blob_data blob; --作为接受参数的字段，参数变量不能直接拿来赋值 v_amount binary_integer; --总长度 v_sub_length binary_integer; --一次读取的最大长度，不超过32766 v_sub_blob blob; --一次读取的子串 v_offset binary_integer; --游标 v_err_msg varchar2(1000); --测试用 v_id binary_integer; --要修改或新增的记录ID v_temp binary_integer; --临时变量用于判断是否有v_id对应的记录 begin v_amount := length(p_blob_data); v_blob_data := p_blob_data; v_sub_length := 32767; v_offset := 1; v_id := p_id; v_temp := 0; --execute immediate v_query_string into v_lobloc; select count(1) into v_temp from a where id = v_id; --查询是否有v_id对应的记录，并且赋值给v_temp /*注意：无论是修改还是新增，blob字段都需要用empty_blob()进行初始化，否则后边的blob内容，不能写进表里*/ /***************************这里为了演示异常信息，把if else判断给注释掉了********************/ /*if v_temp = 0 then insert into a (id, img) values (v_id, empty_blob()); --如果v_temp为0新增 else update a set img = empty_blob() where id = v_id; --如果v_temp为1修改 end if; */ commit; select img into v_lobloc from a where id = v_id for update; if v_amount > v_sub_length then --dbms_lob.open(v_lobloc, dbms_lob.lob_readwrite); while v_offset < v_amount loop dbms_lob.read(v_blob_data, v_sub_length, v_offset, v_sub_blob); --把读到的内容放到v_sub_blob中 dbms_lob.writeappend(v_lobloc, --DBMS_LOB.GETLENGTH(v_sub_blob), length(v_sub_blob), v_sub_blob); --写入v_lobloc,该变量已经在之前和sql语句绑定 v_offset := length(v_sub_blob) + v_offset; --游标移动 v_err_msg := length(v_lobloc); end loop; else dbms_lob.writeappend(v_lobloc, v_amount, v_blob_data); --若是小鱼32766直接写入 end if; commit; dbms_lob.close(v_lobloc); exception when others then p_msg := sqlcode || sqlerrm; --p_msg := v_err_msg; rollback; end; 

调用java代码

public static void main(String[] args) { final Connection srcConn = DbUtil.getOracleConnection("c##sjzjy", "sjzjy", "192.168.23.60", "orcl"); final QueryRunner srcOracle = new QueryRunner(); final Connection wsConn = DbUtil.getOracleConnection("c##sjzjy", "sjzjy", "192.168.23.60", "orcl"); try { srcOracle.query(srcConn, " select img from a where id = 1 ", new ResultSetHandler<Img>(){ @Override public Img handle(ResultSet rs) throws SQLException { while(rs.next()) { Blob blob = rs.getBlob("IMG"); try { String img = new String(blob.getBytes((long)1, (int)blob.length()), "ISO8859-1"); // String sql = "insert into a(img) values(?) "; // PreparedStatement stmt = wsConn.prepareStatement(sql); // stmt.setBytes(1, img.getBytes("ISO8859-1")); // stmt.executeUpdate(); String sql = "call write2blob(?,?,?)"; CallableStatement ps = wsConn.prepareCall(sql); ps.setInt(1, 8); //ps.setBlob(2, blob); ps.setBytes(2, img.getBytes("ISO8859-1")); ps.registerOutParameter(3, Types.VARCHAR); ps.execute(); String str = ps.getString(3); System.out.println(str); } catch (Exception e) { e.printStackTrace(); } } return null; }}); } catch (Exception e) { e.printStackTrace(); } } 

会在控制台输出异常编码和异常信息了