import java.sql.*;
import oracle.jdbc.driver.OracleDriver;public class JdbcTest {
public static void addRecord() throws Exception {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection conn = DriverManager.getConnection(
"jdbc:oracle:thin:@loaclhost:1521:orcl", "SYSTEM", "manager");
conn.close();
} public static void main(String[] args) throws Exception {
addRecord();
}
}上面我的代码
出现的错误Exception in thread "main" java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:180)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:222)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:335)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:361)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:442)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:321)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at JdbcTest.addRecord(JdbcTest.java:7)
at JdbcTest.main(JdbcTest.java:13) 请各位大侠解决一下,万分感谢
import oracle.jdbc.driver.OracleDriver;public class JdbcTest {
public static void addRecord() throws Exception {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection conn = DriverManager.getConnection(
"jdbc:oracle:thin:@loaclhost:1521:orcl", "SYSTEM", "manager");
conn.close();
} public static void main(String[] args) throws Exception {
addRecord();
}
}上面我的代码
出现的错误Exception in thread "main" java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:180)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:222)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:335)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:361)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:442)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:321)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at JdbcTest.addRecord(JdbcTest.java:7)
at JdbcTest.main(JdbcTest.java:13) 请各位大侠解决一下,万分感谢
sql语句执错误
谢谢各位