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Possible Duplicate:
Please prevent creation of tags that could trigger the IIS file extension filter

There’s a tag on SO [] (created by this question) that can’t be browsed — the server just returns an empty 404 page.

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marked as duplicate by Geoff Dalgas Sep 12 '12 at 16:59

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

The same happens with the [] tag. – ChrisF Nov 30 '10 at 13:42
@ChrisF: No, you can browse (visit) the tag page for but not for – Jonas Nov 30 '10 at 13:54
@Jonas - it didn't use to be the case - I can't find the reference though. Obviously the same fix needs applying in the [] case. – ChrisF Nov 30 '10 at 13:58
@ChrisF: Ok, I understand. However, see my answer below, I have renamed the tag to []. – Jonas Nov 30 '10 at 14:04
@Jonas - I did see, however it would be better to implement a generic solution. – ChrisF Nov 30 '10 at 14:05

this is a file extension issue. ASP.NET is refusing to serve a *.java file - same as if you wanted to check the tag soapi.cs on stackapps.

I have covered this in another post over on stackapps -

There are some very simple ways to handle this, but the issue has not gotten much attention.

A workaround, posited by systempuntoout, is to append an underscore, , as padding that will be converted to space and subsequently trimmed off AFTER the request gets past ASP.NET.

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+1 Thanks for the underscore-workaround. I decided to rename the tag to [] because of this issue, but I was struggling to find all questions that used the tag since I couldn't see the tag-page. But with this workaround I could re-tag them all. – Jonas Nov 30 '10 at 13:19

I created the [] tag because is a specific auto-generated file in Android projects. Many people is having problem with this file so a tag is helpful.

I didn't know this issue with *.java files/URIs. But I recongniced it myself a few days ago, when I clicked on the tag.

Now I have renamed the tag to [] which works better. I have also retagged the other few questions that used the [] tag.

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