It seems the Redis connections aren't closed properly in rcube::sleep(). The same probably with Memcache.
So, if you have long-running process that 1) executes rcube::sleep(), 2) sleeps for a while, 3) attempts to use cache, it will fail if e.g. you restart Redis server in meantime.
It seems the Redis connections aren't closed properly in
rcube::sleep(). The same probably with Memcache.So, if you have long-running process that 1) executes
rcube::sleep(), 2) sleeps for a while, 3) attempts to use cache, it will fail if e.g. you restart Redis server in meantime.