[JENKINS-7327] JDK download fails to take the proxy setting into account #688

Not able to Launch slave agent. Getting following error.
 I have added the java path to 

1. java - home
2. Path.

Choosing the download bundle
hudson.util.IOException2: Could not find any known supported java version in [java, /usr/bin/java, /usr/java/default/bin/java, /usr/java/latest/bin/java, /usr/local/bin/java, /usr/local/java/bin/java, /design/bsp/sla02/jdk/bin/java, /usr/java/jdk1.5.0_07/bin/bin/java], and we also failed to install JDK as a fallback
	at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:206)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:184)
	at java.util.concurrent.FutureTask$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: cds.sun.com
	at sun.reflect.GeneratedConstructorAccessor92.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at org.jvnet.robust_http_client.RetryableHttpStream.getStream(RetryableHttpStream.java:75)
	at org.jvnet.robust_http_client.RetryableHttpStream.<init>(RetryableHttpStream.java:68)
	at org.jvnet.robust_http_client.RetryableHttpStream.<init>(RetryableHttpStream.java:51)
	at hudson.tools.JDKInstaller.locate(JDKInstaller.java:308)
	at hudson.plugins.sshslaves.SSHLauncher.attemptToInstallJDK(SSHLauncher.java:285)
	at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:204)
	... 6 more
Caused by: java.net.UnknownHostException: cds.sun.com
	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 sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)
	at java.net.URLConnection.getHeaderFieldInt(Unknown Source)
	at java.net.URLConnection.getContentLength(Unknown Source)
	at org.jvnet.robust_http_client.RetryableHttpStream.<init>(RetryableHttpStream.java:67)
	... 10 more
[07/28/10 17:17:05] [SSH] Connection closed.