Trying to login using uploadfromdb.bat

I am not able to login using my account. It says

2012/07/05 14:59:07 IST:logging into https://accounts.zoho.com
2012/07/05 14:59:08 IST:java.net.UnknownHostException: accounts.zoho.com
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.<init>(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl.createSocket(Unknown Source)
    at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:82)
    at org.apache.commons.httpclient.protocol.ControllerThreadSocketFactory$1.doit(ControllerThreadSocketFactory.java:91)
    at org.apache.commons.httpclient.protocol.ControllerThreadSocketFactory$SocketTask.run(ControllerThreadSocketFactory.java:158)
    at java.lang.Thread.run(Unknown Source)

Can someone help pls.