[buddypress-trac] [BuddyPress] #4759: Group forum permalink after reply broken when using persistent object cache

[buddypress-trac]

#4759: Group forum permalink after reply broken when using persistent object cache
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 Reporter:  wpdennis                  |       Owner:
     Type:  defect (bug)              |      Status:  new
 Priority:  normal                    |   Milestone:  Awaiting Review
Component:  Forums                    |     Version:  1.6.1
 Severity:  blocker                   |  Resolution:
 Keywords:  dev-feedback 2nd-opinion  |
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Comment (by wpdennis):

 If we are sure, and someone can confirm that ''wp_cache_flush()'' is the
 problem, we could add the following during the initialization of
 BuddyPress:

 {{{
 if (bp_is_active('forums') && function_exists('is_site_admin') &&
 function_exists('wp_cache_add_non_persistent_groups'))
     wp_cache_add_non_persistent_groups(array('bb_query',
 'bb_cache_posts_post_ids', 'bb_forums', 'bb_topics', 'bb_posts',
 'bb_forum', 'bb_topic', 'bb_post', 'bb_option', 'bb_option_not_set',
 'bb_topic_tag_terms'));
 }}}

 Read: if the function 'is_site_admin' exists ''wp_cache_flush()'' doesn't
 work, so we could disable forum caching by adding the bbPress groups to
 non persistent groups.

 This would hotfix the issue. Since it's obsolete in BP 1.7 maybe this
 hotfix is enough.

 This needs some testing. I'm not deep enough into bbPress but adding
 wp_cache_add_non_persistent_groups in one of my plugins solved the issues,
 as far as I can tell right now.

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/4759#comment:3>
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