XF 2.1 HELP! 80,000 Threads and Attachment IDs all 404s after migration from vB5

JasonJaz

JasonJaz

Member
Since we switched from vBulletin 5 to xF2 we now have over 80,000 404s that are a complete nightmare for our team to try and redirect.
This is very frustrating as we've been writing so many rules in htaccess to fix thousands of 404s for over 3 months now without patterns and now we got these. o_O:eek:o_O:eek:😡

The 404s are urls like this below and we have no idea what thread, attachment or post they are referencing. We cant even search for them

websitedotcom/threads/765197
websitedotcom/attachments/26571

If anyone can help to correct this, I will buy you coffee all week or even better!
 
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Slavik did the migration for us and all went well except for these 404s

He gave us this rule to try which fixed some of the 404s...

RewriteRule [^/]+/([\d]+)-.+.html showthread.php?t=$1 [NC,L]

That outputs the url as
mywebsite.com/forum/showthread.php?t=88135

Then we used
RewriteCond %{QUERY_STRING} t=([0-9]+)(&|$)
RewriteRule showthread\.php$ http://yoursite.com/threads/%1? [R=301,L]
 
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Jake Bunce also did some rules for us as well that fixed some

RewriteRule ^[^/]+/([0-9]+)-[^\./]+\.html$ /showthread.php?t=$1 [R=301,L]
RewriteRule ^(.*)$ /$1 [R=301,L]

first one matches any url that begins with a / and has digits after the next / and a - and ends with .html and redirects it to showthread.php when $1 would be the match

second rule matches the current url and redirects it to / and replaces $1 with the complete url from match
 
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