如何將 java 作為 SYS 連接到 Oracle？

Question

我收到此錯誤：

java.sql.SQLException: ORA-28009: connection as SYS should be as SYSDBA or SYSOPER

怎么修？ （我需要成為SYS ）。 謝謝。

Answer 1

試試這個：

import java.sql as jsql
import java.lang as lang
driver, url, user, passwd = (
"oracle.jdbc.driver.OracleDriver",
"jdbc:oracle:thin:@localhost:1234:xxx1",
"sys as sysdba",
"xxx1")
 lang.Class.forName(driver)
 c = jsql.DriverManager.getConnection(url,user,passwd)

Answer 2

答案已經在那里，

您正在嘗試以sys身份連接，但服務器允許

任何一個

sys as sysdba

要么

sys as sysoper

只需將用戶參數更改為上面的任何一個

user='sys as sysdba'

要么

user='sys as sysoper'

Answer 3

此代碼有效

String driverName = "oracle.jdbc.driver.OracleDriver";
Class.forName(driverName).newInstance();
String nameForConnect = "sys as sysdba";
String pass = "password";
String url = "jdbc:oracle:thin:@192.168.0.1:1521:ORCL";
Connection conn = DriverManager.getConnection(url, nameForConnect, pass);

Answer 4

如果您嘗試像這樣連接到數據庫： connect SYS/<password>您使用了不再有效的語法（Oracle 9i 之后）。

而是嘗試按以下方式連接：

connect SYS/<password> as SYSDBA or connect SYS/<password> as SYSOPER

Answer 5

您可以使用 OracleDataSource Object 嗎？

public class Database {    
    static OracleDataSource ods;    
    public static Connection openConnection(String URL, String user, String password,     String option) throws SQLException
    {
            Connection conn = null;
            Properties properties = new Properties();
            properties.put("user", user);
            properties.put("password", password);

            ods = new OracleDataSource();
            ods.setURL(URL);

            if(option != null)
            {
                properties.put("internal_logon", option);
            }

            ods.setConnectionProperties(properties);
            conn = ods.getConnection();

            return conn;
    }
}

並這樣稱呼它：

Connection con = null;    
con = Database.openConnection("YourJDBCConnectionURL", "YourSYSUser", "YourSYSPassword", "sysdba");

Answer 6

如果您想將數據庫與“sys”以外的用戶連接為“sysdba”，則必須將驅動程序從“thin”更改為“oci”才能成功連接。

try {
        Class.forName("oracle.jdbc.driver.OracleDriver");
        String DB_URL="jdbc:oracle:oci:@localhost:1521:orcl";
        OracleDataSource ds1=new OracleDataSource();
        Properties prop1 = new Properties();
        prop1.setProperty("user","ravi");
        prop1.setProperty("password","******");
        prop1.setProperty("internal_logon","sysdba");
        ds1.setConnectionProperties(prop1);
        ds1.setURL(DB_URL);
        OracleConnection conn1 = (OracleConnection)ds1.getConnection();
        Statement stmt = conn1.createStatement();
        ResultSet rs = stmt.executeQuery("select * from dba_users");
        while (rs.next())
            System.out.println(rs.getString(1));
        conn1.close();
    } catch (Exception e) {
        System.out.println(e);
    }

Answer 7

        /*It works for me*/
        /*also oci and thin is important if you want to connect with database which is installed in your clien (Computer) add oci if you want to install to server add thin*/

        String dbURL2 = "jdbc:oracle:oci:@172.16.24.123:1521:XE";
        String username = "sys as sysdba";
        String password = "XX Change it to your system password";
        
        try {
        Connection connection = DriverManager.getConnection(dbURL2, username, password);
            System.out.println("Connected to Oracle data");
        
    } catch (SQLException e) {
            System.out.println("Opps ! error");
            e.printStackTrace();
        
    }

Answer 8

您需要將 sysdba 與用戶字符串參數一起放置，例如

String user="sys as sysdba"

Answer 9

當我遇到同樣的異常時，我的兩分錢。 以下對我有用：

           try (Connection conn = DriverManager.getConnection(
                "jdbc:oracle:thin:@myserverip:1521:XE", "sys as sysdba", "Hello123")) {   
           // this worked too - "jdbc:oracle:thin:@myserverip:1521:XE", "system"
              if (conn != null) {
                  System.out.println("Connected to the database!");
              } else {
                System.out.println("Failed to make connection!");
              }
 
            } catch (SQLException e) {
              System.err.format("SQL State: %s\n%s", e.getSQLState(), e.getMessage());
            } catch (Exception e) {
            e.printStackTrace();
           }