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https://issues.apache.org/jira/browse/NETBEANS-112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16238890#comment-16238890
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lbruun commented on NETBEANS-112:
---------------------------------
I suspect the DTD file was removed by Oracle prior to donation because the file
wasn't their to donate. This is just speculation as the [commit
message|http://hg.netbeans.org/releases/rev/00ff3249694f] tells you absolutely
nothing about why Oracle did what they did.
Background: Netscape
[transferred|http://www.rssboard.org/news/181/rss-090-091-moving-rss-advisory-board]
the RSS 0.91 specification to the RSS Advisory Board in January 2008. From
their [website|http://www.rssboard.org/rss-0-9-1-netscape] I cannot figure out
what the license is for the 0.91 DTD file, but newer versions of the RSS spec
seem to published under the _Creative Commons Attribution/Share Alike 2.0_
license.
Some ideas for resolution:
# Put the DTD back into Apache NetBeans and change {{layer.xml}} accordingly,
i.e. revert the change done by Oracle. This of course triggers the question
about what exactly is the license for the DTD file.
# Change the RSS feed on netbeans.org site so that it publishes
{{<!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN"
"http://www.rssboard.org/rss-0.91.dtd";>}}
This will make NetBeans physically download the DTD from this location. (this
may not be desirable from a security point of view, but current situation is
worse)
# Leave it broken. It is not very important and netbeans.org will go away some
day anyway, I guess. I think the biggest problem here is that malware detectors
will see the netbeans process attempting to reach {{aol.com}} and therefore
possibly flag NetBeans as malware.
> Welcome module (RSS) feed broken in donation
> --------------------------------------------
>
> Key: NETBEANS-112
> URL: https://issues.apache.org/jira/browse/NETBEANS-112
> Project: NetBeans
> Issue Type: Bug
> Components: ide - Welcome
> Reporter: lbruun
> Priority: Minor
> Attachments: NB-2017.png
>
>
> !NB-2017.png!
> In Apache NetBeans the RSS feeds in Welcome Page no longer works. Works on
> current hg main-silver and works in NB 8.2.
> The problem occurs when the downloaded XML has a doctype declaration:
> {code:xml}
> <!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN"
> "http://my.netscape.com/publish/formats/rss-0.91.dtd";>
> {code}
> There used to be a "registered" DTD for this in the Welcome module but it was
> removed as part of Oracle's cleanup prior to donation. This is why it works
> on current hg main-silver, but not on the donated code.
> See:
> http://hg.netbeans.org/releases/rev/66633aaa2811
> http://hg.netbeans.org/releases/rev/00ff3249694f
> Because of the removal, the XML Reader will - in the absence of a registered
> DTD - attempt to download the DTD from the Internet, i.e. it will attempt to
> download http://my.netscape.com/publish/formats/rss-0.91.dtd, which will fail
> because it redirects to {{aol.com}} and there isn't a DTD at that location.
> (duh!, I'm actually surprised that {{netscape.com}} still exists and forwards
> to {{aol.com}}, it's been 18 years since the acquisition !)
> The RSS feed from planetnetbeans.org (right side of screenshot) doesn't have
> a DOCTYPE declaration which is why it works.
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