Io 异常: The Network Adapter could not establish the connection 有以下四个原因: 1.oracle配置 listener.ora 和tnsnames.ora 文件里面查看是否配置正确 2.IP错误 在设置URL时错误,例如:jdbc:oracle:thin:@192.168.0.36:1521:sharp 3.防火墙 机器上安装有其他放火墙,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. 4.数据库监听未启动 1.su o
博客分类: Oracle Tomcat服务器下的应用连接Oracle时报错,出现以下异常: java.sql.SQLException: Io 异常: Got minus one from a read call 查询数据库连接情况: SQL> select username,count(username) from v$session where username is not null group by username; USERNAME C
报错信息: Caused by: java.sql.SQLException: Io 异常: Invalid number format for port number at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
新接触一个项目,导入源码,在本地启动的时候后台报了一个错误: Could not discover the dialect to use. java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection at java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection at at o
Io 异常: The Network Adapter could not establish the connection解决方案 2016年06月04日 13:30:21 阅读数:46589 Io 异常: The Network Adapter could not establish the connection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: