Error when trying to connect to the Virtual Data Port Administration tool

106198 [AWT-EventQueue-0] ERROR 2020-01-07T14:43:03.379 com.denodo.vdb.admin.gui.components.connection.ConnectionPanel [] - Connection error:
com.denodo.vdb.admin.model.vdbserverproxy.VDBServerProxyException: Initialization Error: connection error: Connection timed out: connect
at com.denodo.vdb.admin.model.vdbserverproxy.VDBServerProxy.getServerInformation(Unknown Source) ~[denodo-vdp-admintool.jar:7.0.0]
at com.denodo.vdb.admin.model.serverfacade.VDBServerFacade.getServerInformation(Unknown Source) ~[denodo-vdp-admintool.jar:7.0.0]
at com.denodo.vdb.admin.util.vql.VQLUtil.parseVQL(Unknown Source) ~[denodo-vdp-admintool.jar:7.0.0]
at com.denodo.vdb.admin.model.serverfacade.VDBServerFacade.login(Unknown Source) ~[denodo-vdp-admintool.jar:7.0.0]
at com.denodo.vdb.admin.gui.model.connection.VDPConnections$1.doInBackground(Unknown Source) ~[denodo-vdp-admintool.jar:7.0.0]
at com.denodo.vdb.admin.gui.model.connection.VDPConnections$1.doInBackground(Unknown Source) ~[denodo-vdp-admintool.jar:7.0.0]
at javax.swing.SwingWorker$1.call(SwingWorker.java:295) ~[?:1.8.0_162]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_162]
at javax.swing.SwingWorker.run(SwingWorker.java:334) ~[?:1.8.0_162]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_162]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_162]
at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_162]

Denodo uses the following ports and other applications may be running on the same port.

Server: * RMI Registry Port Number: 9999 * Shutdown Port Number: 9998 * RMI Factory Port Number: 9997 * ODBC Port Number: 9996

Web Container: * Web Container HTTP Port Number: 9090 * Web Container Shutdown Port Number: 9099 * Web Container JMX Port Number: 9098 * Web Container Auxiliary Port Number: 9097

To verify port usage, use the Powershell below:

    > Get-Process -Id (Get-NetTCPConnection -LocalPort 9999).OwningProcess

    NPM(K)    PM(M)      WS(M)     CPU(s)      Id  SI ProcessName
    ------    -----      -----     ------      --  -- -----------
        32   474.46     183.18      59.34    4640   1 javaw

If anything is in conflict, just close the conflicting application or restart the machine.