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IO Error: The Network Adapter could not establish the connection
java.net.ConnectException: Connection refused	at java.net.PlainSocketImpl.socketConnect(Native Method)	at java.net.PlainSocketImpl.doConnect(Unknown Source)	at java.net.PlainSocketImpl.connectToAddress(Unknown Source)	at java.net.PlainSocketImpl.connect(Unknown Source)	at java.net.SocksSocketImpl.connect(Unknown Source)	at java.net.Socket.connect(Unknown Source)	at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:209)	at oracle.net.nt.ConnOption.connect(ConnOption.java:123)	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:353)	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:422)	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:678)	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:238)	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1054)	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)	at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:536)	at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:228)	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)	at java.sql.DriverManager.getConnection(Unknown Source)	at java.sql.DriverManager.getConnection(Unknown Source)	at com.cisco.server.persistence.util.OracleSchemaUtil.openConnection(OracleSchemaUtil.java:277)	at com.cisco.server.persistence.util.OracleSchemaUtil.dbServerUp(OracleSchemaUtil.java:836)	at com.cisco.packaging.DBAdmin.dbServerUp(DBAdmin.java:1429)	at com.cisco.packaging.WCSAdmin.status(WCSAdmin.java:833)	at com.cisco.packaging.WCSAdmin.status(WCSAdmin.java:757)	at com.cisco.packaging.WCSAdmin.wcsServerUp(WCSAdmin.java:637)	at com.cisco.packaging.WCSAdmin.start(WCSAdmin.java:294)	at com.cisco.packaging.WCSAdmin.runMain(WCSAdmin.java:281)	at com.cisco.packaging.WCSAdmin.main(WCSAdmin.java:901)