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java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:189)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:231)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:345)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:428)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:515)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:345)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at com.thfund.data.util.ConnectionPoolOralce.addConnection(ConnectionPoolOralce.java:101)
at com.thfund.data.util.ConnectionPoolOralce.init(ConnectionPoolOralce.java:33)
at com.thfund.data.util.ConnectionPoolOralce.<init>(ConnectionPoolOralce.java:26)
at com.thfund.data.util.ConnectionPoolOralce.getInstance(ConnectionPoolOralce.java:74)
at com.thfund.crawl.main.mail.MyAuthenticatorGushou.queryPositionPeopleInfo(MyAuthenticatorGushou.java:229)
at com.thfund.crawl.main.mail.SenderGushou.main(SenderGushou.java:18)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.simontuffs.onejar.Boot.run(Boot.java:306)
at com.simontuffs.onejar.Boot.main(Boot.java:159)