java连接本地oracle数据库_用jdbc怎么连到oracle的连接类型为“本地/继承”的数据库...

这样写连不通：conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl","system","zhou5Hmyp2");会报这种错误：Exceptioninthread"main"java.sql.SQLRecoverable...

这样写连不通：

conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl","system","zhou5Hmyp2");

会报这种错误：

Exception in thread "main" java.sql.SQLRecoverableException: IO 错误: Socket read timed out

at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:673)

at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:715)

at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:385)

at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:30)

at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:564)

at java.sql.DriverManager.getConnection(DriverManager.java:571)

at java.sql.DriverManager.getConnection(DriverManager.java:215)

at bao.DBUtil.getConnection(DBUtil.java:13)

at bao.DBUtil.main(DBUtil.java:30)

Caused by: oracle.net.ns.NetException: Socket read timed out

at oracle.net.ns.Packet.receive(Packet.java:350)

at oracle.net.ns.NSProtocolStream.negotiateConnection(NSProtocolStream.java:153)

at oracle.net.ns.NSProtocol.connect(NSProtocol.java:263)

at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1360)

at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:486)

... 8 more

展开