我尝试将JavaEE连接到Oracle数据库。如果我从任何集成开发环境(如DBeaver )或从命令提示符测试连接,都没有问题。我使用Eclipse for IDE和Windows10 for OS。Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.getConnection("jdbc:oracle:thin("
我尝试用Java连接Oracle数据库。Cannot create PoolableConnectionFactory (Listener refused the connection with the following error: <Resource name="jdbc/TestDB"
auth="Container"username="admin"
我已经在我的windows 7 64位操作系统中安装了Oracle 11g Express Edition第2版,并尝试执行JDBC程序,然后我得到了以下错误:ORA-12505, TNS:listener does not currently:412)
at oracle.jdbc.driver.PhysicalConnection.