ErrorNotes

🔴 Redis Errors

43 error notes

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redisintermediate

Fixing Redis Error: (error) ERR The server is running without a config file during CONFIG REWRITE

(error) ERR The server is running without a config file
redisconfigconfig-rewriteadministration
redisbeginner

Fixing Redis Error: (error) ERR wrong number of arguments for 'set' command

(error) ERR wrong number of arguments for 'set' command
redissyntaxcommandsdebugging
redisintermediate

Fixing the Redis 'ERR bit offset is not an integer or out of range' Error

(error) ERR bit offset is not an integer or out of range
redisdevopsdatabasebackend
redisintermediate

Fix Redis Sentinel 'NOGOODSLAVE No suitable slave to promote' Failover Error

NOGOODSLAVE No suitable slave to promote
redis-sentinelfailoverreplicahigh-availability
redisintermediate

Fixing the Redis 'Can't handle RDB format version 10' Error

Can't handle RDB format version 10 (or higher); Short read or OOM loading DB
redisdevopsdatabase-migrationtroubleshooting
redisintermediate

Fixing Redis NOREPLICAS: How to Restore Write Access Fast

NOREPLICAS Not enough good replicas to write.
redisreplicationhigh-availabilitydevops
redisintermediate

Fix Redis 'ERR offset is out of range' in SETRANGE and Bitmap Operations

ERR offset is out of range
redisstringbitmapsetrange
redisintermediate

Fix Redis Streams 'ERR The ID specified in XADD is equal or smaller than the target stream top item ID'

ERR The ID specified in XADD is equal or smaller than the target stream top item ID
redisstreamsxadd
redisintermediate

Fixing Redis 'fork: Cannot allocate memory' Errors on Linux

Can't save in background: fork: Cannot allocate memory
bgsaveforkovercommit-memorypersistence
redisintermediate

Fixing 'ERR Script attempted to access a non-local key' in Redis Cluster

ERR Script attempted to access a non-local key in a cluster node
redis-clusterluascriptingdevops
redisintermediate

Fix 'MASTERDOWN Link with MASTER is down' When Redis Replica Refuses Reads

MASTERDOWN Link with MASTER is down and replica-serve-stale-data is set to 'no'
redisreplicationreplicamasterdown
redisbeginner

Fixing the Redis "ERR invalid expire time" Error with Zero or Negative TTL

(error) ERR invalid expire time in 'set' command
redisttlcachingbackend
redisintermediate

Solving the Redis 'BUSYGROUP Consumer Group name already exists' Error

BUSYGROUP Consumer Group name already exists
redisstreamsxgroupbackend
redisintermediate

Fixing Redis 'ERR DUMP payload version or checksum are wrong' during DUMP/RESTORE

ERR DUMP payload version or checksum are wrong
redisdumprestoremigrate
redisbeginner

Fixing Redis Sentinel: (error) IDONTKNOW No such master with that name

(error) IDONTKNOW No such master with that name
redissentinelhigh-availabilitydevops
redisbeginner

Fix Redis "WRONGPASS invalid username-password pair or user is disabled" Error

WRONGPASS invalid username-password pair or user is disabled.
redisauthaclredis6
redisintermediate

Fix Redis 'READONLY You can't write against a read only replica' Error

READONLY You can't write against a read only replica.
redisreplicaslave-read-onlyreplication
redisbeginner

Fix Redis 'ERR value is not a valid float' When Using INCRBYFLOAT

ERR value is not a valid float
redisincrbyfloatfloatdata-type
redisbeginner

Fix Redis 'ERR value is not an integer or out of range' on INCR and DECR Commands

ERR value is not an integer or out of range
redisincrdecrdata-type
redisintermediate

Fix Redis 'ERR only (P)SUBSCRIBE / (P)UNSUBSCRIBE / PING / QUIT allowed in this context'

(error) ERR only (P)SUBSCRIBE / (P)UNSUBSCRIBE / PING / QUIT / RESET allowed in this context
redispubsubsubscribepublish
redisintermediate

Fix Redis 'ERR Background save already in progress' When Calling BGSAVE

(error) ERR Background save already in progress
redisbgsaverdbpersistence
redisintermediate

Fix Redis 'ERR This instance has cluster support disabled' When Running CLUSTER Commands

ERR This instance has cluster support disabled
redisclusterstandaloneconfig
redisintermediate

Fix Redis NOPERM Error: User Has No Permissions to Run Commands (ACL)

NOPERM this user has no permissions to run the 'get' command
redisaclsecuritynoperm
redisbeginner

Fix Redis 'ERR Client sent AUTH, but no password is set' Error

ERR Client sent AUTH, but no password is set. Did you mean ACL SETUSER with >password?
redisauthrequirepassacl
redisintermediate

Fixing Redis Streams 'NOGROUP No such consumer group' Error in XREADGROUP

NOGROUP No such consumer group 'mygroup' for key name 'mystream'
redisstreamsconsumer-groupxreadgroup
redisintermediate

Fixing Redis 'NOSCRIPT No matching script. Please use EVAL.' Error

NOSCRIPT No matching script. Please use EVAL.
redisluaevalshascripting
redisintermediate

Fixing Redis 'ERR no such key' Errors with OBJECT ENCODING and TTL

ERR no such key
rediskeyttlobject-encoding
redisintermediate

Fixing Redis Error: OOM command not allowed when used memory > 'maxmemory'

OOM command not allowed when used memory > 'maxmemory'
redisdevopsdatabasetroubleshooting
redisintermediate

How to Fix the Redis 'MOVED' Redirection Error in Cluster Mode

MOVED 7638 127.0.0.1:7001
redisclusterdevopsdatabase
redisbeginner

Fix Redis 'ERR DB index is out of range' When Using SELECT

ERR DB index is out of range
redisselectdatabaseconfig
redisintermediate

Fixing the Redis 'ERR Protocol error: invalid bulk length' Bug

ERR Protocol error: invalid bulk length
redisdevopsbackendtroubleshooting
redisintermediate

How to Fix Redis 'BUSY Redis is busy running a script' Error

(error) BUSY Redis is busy running a script. You can only call SCRIPT KILL or SHUTDOWN NOSAVE.
redisluascriptperformance
redisintermediate

Fix Redis 'ERR unknown command' Error — Command Not Found or Blocked

(error) ERR unknown command 'COMMAND_NAME'
rediscommandversionconfiguration
redisintermediate

Fixing the 'LOADING Redis is loading the dataset in memory' Error

LOADING Redis is loading the dataset in memory
redisdevopsdatabase-optimizationtroubleshooting
redisintermediate

Fixing Redis EXECABORT: Why Your MULTI/EXEC Transaction Was Discarded

(error) EXECABORT Transaction discarded because of previous errors.
redistransactiondebuggingmulti-exec
redisbeginner

How to Fix Redis `WRONGTYPE Operation against a key holding the wrong kind of value` Error

(error) WRONGTYPE Operation against a key holding the wrong kind of value
redisdata typeWRONGTYPE
redisintermediate

Fixing Redis 'CLUSTERDOWN Hash slot not served' when a slot lacks a serving node in Redis Cluster

CLUSTERDOWN Hash slot not served
redisclusterhash-slotreplication
redisintermediate

Fixing Redis 'CROSSSLOT Keys in request don't hash to the same slot' in Cluster Multi-Key Commands

CROSSSLOT Keys in request don't hash to the same slot
redisclustermulti-keyhash-slot
redisintermediate

Fix 'DENY COMMANDS ASKING WRITE. REPLICA can't execute write commands.' in Redis

(error) DENY COMMANDS ASKING WRITE. REPLICA can't execute write commands.
redisreplicationreplicawrite
redisintermediate

Fix Redis Error: ERR max number of clients reached

(error) ERR max number of clients reached
redisconnectionmaxclients
redisbeginner

Fix Redis MISCONF Error: Not Able to Persist to Disk (RDB Snapshots)

MISCONF Redis is configured to save RDB snapshots, but it's currently not able to persist to disk
redisrdbdiskpersistence
redisbeginner

Fix Redis NOAUTH Authentication required Error

NOAUTH Authentication required
redisauthpasswordrequirepass
redisbeginner

Fixing the "Could not connect to Redis at 127.0.0.1:6379: Connection refused" Error

Could not connect to Redis at 127.0.0.1:6379: Connection refused
redisconnectionserverport