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ROC has been working well for us for the last year. Just today our front page reported a critical error and it took flushing the cache manually and reconnecting to resolve.
Any idea what might have caused this? Thanks for any insight!
[07-Feb-2023 19:41:12 UTC] RedisException: read error on connection to 127.0.0.1:6379 in /home/redacted/public_html/production/wp-content/object-cache.php:738
Stack trace:
#0 /home/redacted/public_html/production/wp-content/object-cache.php(738): Redis->select(1)
#1 /home/redacted/public_html/production/wp-content/object-cache.php(539): WP_Object_Cache->connect_using_phpredis(Array)
#2 /home/redacted/public_html/production/wp-content/object-cache.php(257): WP_Object_Cache->__construct(true)
#3 /home/redacted/public_html/production/wp-includes/load.php(730): wp_cache_init()
#4 /home/redacted/public_html/production/wp-settings.php(131): wp_start_object_cache()
#5 /home/redacted/public_html/production/wp-config.php(79): require_once('/home/redacted...')
#6 /home/redacted/public_html/production/wp-load.php(50): require_once('/home/redacted...')
#7 /home/redacted/public_html/production/wp-admin/admin.php(34): require_once('/home/redacted...')
#8 /home/redacted/public_html/production/wp-admin/options-general.php(10): require_once('/home/redacted...')
#9 {main}