链接方式:jdbc
链接:jdbc:oracle:thin:@10.147.162.90:1521:GZSI
用户名和密码保证正确的。错误信息:sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream@4cf04cf0
java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:274)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:319)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:344)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:148)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:545)
at java.sql.DriverManager.getConnection(DriverManager.java:562)
at java.sql.DriverManager.getConnection(DriverManager.java:186)
at mytools.sqlclient.DbOracle.createConnection(DbOracle.java:82)
at mytools.sqlclient.DbOracle.init(DbOracle.java:49)
at mytools.sqlclient.DbOracle.<init>(DbOracle.java:39)
at mytools.sqlclient.ConnectionTypeFactory.getDB(ConnectionTypeFactory.java:107)
at mytools.sqlclient.ConnectionTypeFactory.createDbConnection(ConnectionTypeFactory.java:129)
at mytools.sqlclient.JdbcConnection.createNewConnection(JdbcConnection.java:64)
at mytools.sqlclient.JdbcConnection.reconnect(JdbcConnection.java:73)
at mytools.sqlclient.JdbcConnection.<init>(JdbcConnection.java:45)
at mytools.sqlclient.ConnectionFactory.createNewConnection(ConnectionFactory.java:30)
at mytools.sqlclient.AbstractConnectManager.createNewConnection(AbstractConnectManager.java:59)
at mytools.sqlclient.ConnectManager.addConnect(ConnectManager.java:139)
at mytools.sqlclient.ConnectManager.init(ConnectManager.java:161)
at mytools.sqlclient.ConnectManager.<init>(ConnectManager.java:75)
at mytools.sqlclient.ConnectManagerFactory.getInstance(ConnectManagerFactory.java:34)
at mytools.sqlclient.SqlClt.<init>(SqlClt.java:26)
at mytools.sqlclient.SqlCltFactory.getSqlClt(SqlCltFactory.java:77)
at cn.gov.cj.CXPZXX.selectPZ(CXPZXX.java:44)
at cn.gov.cj.CXPZXX.insertZJK(CXPZXX.java:122)
at cn.gov.cj.CXPZXX.main(CXPZXX.java:1651)
java.lang.NullPointerException
at cn.gov.cj.CXPZXX.selectPZ(CXPZXX.java:51)
at cn.gov.cj.CXPZXX.insertZJK(CXPZXX.java:122)
at cn.gov.cj.CXPZXX.main(CXPZXX.java:1651)
链接:jdbc:oracle:thin:@10.147.162.90:1521:GZSI
用户名和密码保证正确的。错误信息:sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream@4cf04cf0
java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:274)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:319)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:344)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:148)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:545)
at java.sql.DriverManager.getConnection(DriverManager.java:562)
at java.sql.DriverManager.getConnection(DriverManager.java:186)
at mytools.sqlclient.DbOracle.createConnection(DbOracle.java:82)
at mytools.sqlclient.DbOracle.init(DbOracle.java:49)
at mytools.sqlclient.DbOracle.<init>(DbOracle.java:39)
at mytools.sqlclient.ConnectionTypeFactory.getDB(ConnectionTypeFactory.java:107)
at mytools.sqlclient.ConnectionTypeFactory.createDbConnection(ConnectionTypeFactory.java:129)
at mytools.sqlclient.JdbcConnection.createNewConnection(JdbcConnection.java:64)
at mytools.sqlclient.JdbcConnection.reconnect(JdbcConnection.java:73)
at mytools.sqlclient.JdbcConnection.<init>(JdbcConnection.java:45)
at mytools.sqlclient.ConnectionFactory.createNewConnection(ConnectionFactory.java:30)
at mytools.sqlclient.AbstractConnectManager.createNewConnection(AbstractConnectManager.java:59)
at mytools.sqlclient.ConnectManager.addConnect(ConnectManager.java:139)
at mytools.sqlclient.ConnectManager.init(ConnectManager.java:161)
at mytools.sqlclient.ConnectManager.<init>(ConnectManager.java:75)
at mytools.sqlclient.ConnectManagerFactory.getInstance(ConnectManagerFactory.java:34)
at mytools.sqlclient.SqlClt.<init>(SqlClt.java:26)
at mytools.sqlclient.SqlCltFactory.getSqlClt(SqlCltFactory.java:77)
at cn.gov.cj.CXPZXX.selectPZ(CXPZXX.java:44)
at cn.gov.cj.CXPZXX.insertZJK(CXPZXX.java:122)
at cn.gov.cj.CXPZXX.main(CXPZXX.java:1651)
java.lang.NullPointerException
at cn.gov.cj.CXPZXX.selectPZ(CXPZXX.java:51)
at cn.gov.cj.CXPZXX.insertZJK(CXPZXX.java:122)
at cn.gov.cj.CXPZXX.main(CXPZXX.java:1651)
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是不是账户被锁了,需要解锁。或者是服务器没启动,再或者看看你们的IP是静态的吗?如果连接外网是动态分配的,你就把那个外网连接先断开
这个异常的出现一般与数据库和你的PC的设置有关这种异常的出现大致上有下面几种:
1。IP错误。
在设置URL时错误,例如:jdbc:oracle:thin:@192.168.0.36:1521:sharp
数据库服务器不正确:ping 服务器IP是否正确。不正确,将URL更改为正确
端口号错误:一般不会错误。
进行一下操作:在DOS上键入sqlplus,检查oracle是否开启
一却正常,执行下面第2步。2。防火墙
如果机器上安装有放火墙,可能是服务器端口号屏蔽而造成的。关闭防火墙后,尝试重新连接。
仍然不行,执行第3步。3。数据库监听未启动 修改PC上注册表中的ImagePath值。