Problem With Voting And Cache [#734558]

I'm not sure if this is related to http://drupal.org/node/696500 or not so I'm posting it as a new issue just in case. I have Plus 1 enabled for anonymous users of my site. I also have page caching enabled. After seeing the volume of voting drop considerably recently I started doing a bit of testing and realized that anonymous visitors couldn't vote. When they clicked the voting image nothing happened on the front end. I checked the dblog and found two notices corresponding to the vote attempt.

1. An access denied error.
2. A voting form error: invalid token notice.

After I flush the page cache and try to vote anonymously I am able to do so and don't see errors in the dblog. You can try this out over on http://learnbythedrop.com. Depending on when I flushed the cache the voting may or may not work for you.

Rob Safuto
Awakened Voice

Comment	File	Size	Author
#2	plus1.anonymous-voting2.patch	480 bytes	nils.destoop

Comments

Comment #1

voxpelli commented 7 March 2010 at 10:27

The patch in #11 in #322735: Vote link is executed by search engines partly solves this bug by changing the vote links into POST forms - it should however be modified to not add a token for anonymous users since it conflicts with caching as noted in this issue.

Comment #2

nils.destoop commented 16 July 2010 at 08:05

Status	File	Size
new	plus1.anonymous-voting2.patch	480 bytes

Included a patch to resolve the conflict between tokens and anonymous users when page cache is enabled.

The patch in #11 in #322735: Vote link is executed by search engines won't resolve the problem, because the token is still in page cache, even when using a POST.