Can anyone tell what this bug is all about?

Hi,
I am new to this SOAPUI.My application is very secure with robust firewall. When I import and run the WASDL I run into erro.Has anyone encountered the following error:


Tue Nov 23 14:43:56 IST 2010:ERROR:java.lang.Exception: Failed to access [http://www.soapui.org/appindex/soapui_start.php?version=2.5.1]
java.lang.Exception: Failed to access [http://www.soapui.org/appindex/soapui_start.php?version=2.5.1]
at com.eviware.soapui.support.components.BrowserComponent.navigate(BrowserComponent.java:139)
at com.eviware.soapui.ui.URLDesktopPanel$Navigator.run(URLDesktopPanel.java:70)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.UnknownHostException: http://www.soapui.org
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at java.net.HttpURLConnection.getResponseCode(Unknown Source)
at javax.swing.JEditorPane.getStream(Unknown Source)
at javax.swing.JEditorPane.setPage(Unknown Source)
at com.eviware.soapui.support.components.BrowserComponent.navigate(BrowserComponent.java:134)
... 2 more
Tue Nov 23 14:44:10 IST 2010:ERROR:java.lang.Exception: java.net.UnknownHostException: xxx.com
java.lang.Exception: java.net.UnknownHostException: xxx.com
at com.eviware.soapui.impl.wsdl.submit.transports.http.HttpClientRequestTransport.sendRequest(HttpClientRequestTransport.java:158)
at com.eviware.soapui.impl.wsdl.WsdlSubmit.run(WsdlSubmit.java:118)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.UnknownHostException: xxx.com
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
at org.apache.commons.ssl.Java14.connectSocket(Java14.java:178)
at org.apache.commons.ssl.Java14.buildSocket(Java14.java:157)
at org.apache.commons.ssl.JavaImpl.createSocket(JavaImpl.java:204)
at org.apache.commons.ssl.SSL.createSocket(SSL.java:581)
at org.apache.commons.ssl.SSLClient.createSocket(SSLClient.java:224)
at org.apache.commons.ssl.HttpSecureProtocol.createSocket(HttpSecureProtocol.java:90)
at com.eviware.soapui.impl.wsdl.support.http.SoapUIEasySSLProtocolSocketFactory.createSocket(SoapUIEasySSLProtocolSocketFactory.java:44)
at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
at com.eviware.soapui.impl.wsdl.support.http.SoapUIMultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(SoapUIMultiThreadedHttpConnectionManager.java:1401)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at com.eviware.soapui.impl.wsdl.submit.transports.http.HttpClientRequestTransport.sendRequest(HttpClientRequestTransport.java:153)
... 7 more


Kindly help. Thanks.