TheINQUIRER publishes daily news, reviews on the latest gadgets and devices, and INQdepth articles for tech buffs and hobbyists. Following is a list of code names that have been used to identify computer hardware and software products while in development. In some cases, the code name became. Computer Says There Is No Printer Installed Word. Eclipse%20Indigo%20update%20site%20proxied%20by%20Nexus%20proxy%20repo%20backed%20by%20P2%20update%20site%20provider%20.jpg' alt='Available Software Sites Eclipse Indigo Version' title='Available Software Sites Eclipse Indigo Version' />Error when updating eclipse Stack Overflow. What version of eclipse are you using It has been fixed in 3. It turns out the cause is one or more artifact repositories being lost from the list of known repositories. The workaround is to remove the repository from the list and add it back again. This restores the missing artifact repository. A possible workaround in eclipse 3. Software Updates Manage sites Export2 stop eclipse. Note, as mentioned by Fredrik in the comments, for Eclipse. RegistrySDKProfile. Software Updates Manage sites Import that was exported in step 1. As mentioned by mark author of this question in the comments of this answer, that workaround was a solution for his problem. Other advice. the solution is always to append a trailing to all repository URLs in my P2 UI. Leapfrog Didj Games'>Leapfrog Didj Games. My feeling is that this error is caused by a failure to construct a viable URL to a repo resource. The code in question is not inspecting the URL string from the UI and is assuming a trailing resulting in a 4. This last solution is confirmed working in Eclipse Indigo and Juno below in the comments.