Status: Not Connected

Your “host” isn’t reachable.

How to make it reachable ?

This line is causing issue when your redis is in master/slave replication mode. Command INFO is not allowed in replication mode.

$server_info = $this->redis->info( 'SERVER' );

Temporary fix.

@@ -572,11 +572,14 @@ class WP_Object_Cache
                 $this->redis->ping();
             }

-            $server_info = $this->redis->info( 'SERVER' );
-            if (isset($server_info['redis_version'])) {
-                $this->redis_version = $server_info['redis_version'];
-            } elseif (isset( $server_info['Server']['redis_version'])) {
-                $this->redis_version = $server_info['Server']['redis_version'];
+            // If not in replication mode.
+            if ( ! $options['replication'] ) {
+                $server_info = $this->redis->info( 'SERVER' );
+                if (isset($server_info['redis_version'])) {
+                    $this->redis_version = $server_info['redis_version'];
+                } elseif (isset( $server_info['Server']['redis_version'])) {
+                    $this->redis_version = $server_info['Server']['redis_version'];
+                }
             }

• This reply was modified 5 years ago by Bernard Traquena.

Would you mind submitting a PR on GitHub with you fix?

@tillkruess https://github.com/tillkruss/redis-cache/pull/135/files

Hi,

I am having the same issue.

I have replaced the lines that, according to Bernard Traquena, cause this error in the plugins folder>includes/object-cache.php

See how it now looks after I made the changes in my screenshot:

https://www.screencast.com/t/sIO27bnBSj2

However it still does not connect to my hosting’s server.
I cleared all cache and my host restarted Redis, but it keeps telling me it is “not connecting”.

Any idea’s what to do please?

Thanks,
Annie

• This reply was modified 4 years, 11 months ago by LogoLogics.

Hi Annie, please post the diagnostics from the settings.

Hi,

Thanks for reaching out!

Just recently, I got it connected.
I think I placed the code in the wrong place (below instead of above the Thats it happy blogging).

Have a great day,
Annie

I got the same issue.

Status: Not Connected
Redis Version: Unknown
Client: PhpRedis (v5.1.1)
Drop-in: Valid
Connection Exception: Connection refused (RedisException)
Redis Extension: 5.1.1
Predis Client: 1.1.1
PHP Version: 7.2.26
Multisite: No
Global Prefix: "wp_"
Blog Prefix: "wp_"
WP_CACHE_KEY_SALT: "exemple.com_"
Global Groups: [
    "blog-details",
    "blog-id-cache",
    "blog-lookup",
    "global-posts",
    "networks",
    "rss",
    "sites",
    "site-details",
    "site-lookup",
    "site-options",
    "site-transient",
    "users",
    "useremail",
    "userlogins",
    "usermeta",
    "user_meta",
    "userslugs"
]
Ignored Groups: [
    "counts",
    "plugins",
    "blog-details",
    "blog-id-cache",
    "blog-lookup",
    "global-posts",
    "networks",
    "rss",
    "sites",
    "site-details",
    "site-lookup",
    "site-options",
    "site-transient",
    "users",
    "useremail",
    "userlogins",
    "usermeta",
    "user_meta",
    "userslugs",
    "blog_meta",
    "themes"
]
Unflushable Groups: []
Dropins: 
 - advanced-cache.php v by 
 - Redis Object Cache Drop-In v1.5.5 by Till Kr???ss
Plugins: 

Before that I could use the Redis well, But after a while I got 500 Error, so I tried to disable the Redis Plugin and the website work agian, when I checked the server I found that Redis process use 90% from CPU. And Now when I try to active Object Caches I got Status: Not Connected.

What’s your connection exception? Still “refused”?

I have no idea

When I Verify Redis is Working with redis-cli ping
I got PONG but I can’t find anything about it in the server.I can’t find sudo nano /etc/redis/redis.conf.

When I run redis-server command I got

redis-server
15991:C 04 Jan 02:26:46.926 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf
15991:M 04 Jan 02:26:46.928 * Increased maximum number of open files to 10032 (it was originally set to 1024).
15997:C 04 Jan 02:26:56.709 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf
15991:M 04 Jan 02:26:46.928 # Creating Server TCP listening socket *:6379: bind: Address already in use
15997:M 04 Jan 02:26:56.712 * Increased maximum number of open files to 10032 (it was originally set to 1024).
15997:M 04 Jan 02:26:56.713 # Creating Server TCP listening socket *:6379: bind: Address already in use

When I run service redis status I got

service redis status
Redirecting to /bin/systemctl status redis.service
● redis.service - Redis persistent key-value database
   Loaded: loaded (/usr/lib/systemd/system/redis.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/redis.service.d
           └─limit.conf
   Active: failed (Result: exit-code) since Sat 2019-12-28 17:25:34 PST; 6 days ago
  Process: 4463 ExecStop=/usr/libexec/redis-shutdown (code=exited, status=1/FAILURE)
  Process: 387 ExecStart=/usr/bin/redis-server /etc/redis.conf --supervised systemd (code=killed, signal=KILL)
 Main PID: 387 (code=killed, signal=KILL)

Dec 28 17:25:34 vps****.inmotionhosting.com systemd[1]: redis.service: main ...
Dec 28 17:25:34 vps****.inmotionhosting.com systemd[1]: redis.service: contr...
Dec 28 17:25:34 vps****.inmotionhosting.com systemd[1]: Unit redis.service e...
Dec 28 17:25:34 vps****.inmotionhosting.com systemd[1]: redis.service failed.
Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.
Hint: Some lines were ellipsized, use -l to show in full.

Status: Connected
Redis Version: 3.2.12
Client: PhpRedis (v5.1.1)
Drop-in: Valid
Ping: 1
Redis Extension: 5.1.1
Predis Client: 1.1.1
PHP Version: 7.2.26
Multisite: No

• This reply was modified 4 years, 11 months ago by hassadr.

Just I want to know why I got Active: failed (Result: exit-code) when I run redis-server status command.

Thnak you.