Caused by: java.sql.SQLRecoverableException: Io exception: The Network Adapter could not establish the connection
	at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:101)
	at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:112)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:173)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:229)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:458)
	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:465)
	at org.apache.tomcat.dbcp.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
	at org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)
	at org.apache.tomcat.dbcp.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1247)
	at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1221)
	... 46 more