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Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found
java.net.ConnectException: Connection refused	at java.net.PlainSocketImpl.socketConnect(Native Method)	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)	at java.net.Socket.connect(Socket.java:529)	at oracle.net.nt.MetricsEnabledSocket.connect(TcpNTAdapter.java:631)	at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:164)	at oracle.net.nt.ConnOption.connect(ConnOption.java:137)	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:374)	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:438)	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:711)	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:257)	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1229)	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:326)	at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:678)	at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:234)	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:567)	at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:410)	at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:386)	at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:353)	at oracle.odi.jdbc.datasource.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:332)	at oracle.odi.jdbc.datasource.LoginTimeoutDatasourceAdapter$ConnectionProcessor.run(LoginTimeoutDatasourceAdapter.java:217)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)	at java.util.concurrent.FutureTask.run(FutureTask.java:138)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)	at java.lang.Thread.run(Thread.java:662)