Java LiveUpdate is not configured to work with a proxy
To configure Java LiveUpdate on that collector computer to work with your proxy, read the Knowledge Base article: How do I set up a proxy server for LiveUpdate SSIM?
On step 8 in the document, add the collector computer to the configurations Computers tab instead of the appliance.
Java LiveUpdate proxy configuration isn't being used
If Java LiveUpdate is configured correctly, but still not using the settings you gave it, read the Knowledge Base article: Java LiveUpdate does not connect to the specified proxy server
Name Resolution Problems
If the collector computer is unable to resolve an IP Address for the LiveUpdate server(s), you must fix the problem with DNS. As a work around you can modify the hosts
file to include the LiveUpdate servers Name and IP Address.
By default, the hosts file in Windows is located in C:\Windows\System32\drivers\etc
By default, the hosts file in Linux is located in /etc