java.sql.SQLException: Io 异常: The Network Adapter could not establish the connec
WARN: SettingsFactory,103 - Could not obtain connection metadatajava.sql.SQLException: Io 异常: The Network Adapter could not establish the connectionat oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:74)at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:110)at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:171)at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:227)at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:494)at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:411)at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:490)at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:202)at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33)at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:474)at java.sql.DriverManager.getConnection(DriverManager.java:582)at java.sql.DriverManager.getConnection(DriverManager.java:154)at org.logicalcobwebs.proxool.DefaultConnectionBuilder.buildConnection(DefaultConnectionBuilder.java:39)检查:1:ip地址链接信息2:查看防火墙3:数据库监听器除了在网上找到的那几种查看方式以外。提醒各位不要和我范同样的错误。我的tomcat中有一个旧的项目war文件,会自动加载。在myeclipse里面没有看到那个项目的信息。所以一直以为是我的项目问题。今天突然进到tomcat/webapps下发现还有一个项目。而且那个项目的连接地址是个内网地址,自然连接不到。我把那个垃圾项目删了一切就Ok了。