Unable to cast the Object to Entity Type
I am trying to use Redis Cache to improve the performance of our application. I am referring this article for my implementation. I am getting this exception:class com.entity.UserEntity cannot be cast...
View ArticleSpring's Entity inside nodejs
The way I manage persistent state inside my backends in the past is by using Spring's @Entity. Basically, I define a regular java class like this:@Entity@Table(name = "users")class User { @Id...
View ArticleHow to create a Pub/Sub module in redis-cluster using Jedis Library 4.0.0
How can I create and test publish/subscribe module using updated Jedis library? Previously I was using jedis library version 3.7.0, from that version my code was something like.Subscriber Processimport...
View Articleorg.redisson.client.handler.PingConnectionHandler$1.run(PingConnectionHandler...
I am using redisson api 'org.redisson:redisson:3.13.6' to consume redis(redis 6.2.5) stream in my java project. After running for months. shows error:[02:45:28:123] [ERROR] -...
View ArticleUnable to connect to redis sentinal in docker from my pc
i am running redis with sentinel in docker and I am not able to connect to my redis using the sentinel. This is my docker-compose file:version: '3'networks: app-tier: driver: bridgeservices: redis:...
View ArticlePerformance improvement of redis trasactions
We are looking for ways to improve the performance of redis transactions. The intention is to look at specific location for a particular data set instead of looking at all the entries in the server....
View ArticleRedis - JUnit - Caused by: java.net.UnknownHostException: localhost
I have a SpringBoot application where I connect to Redis and it works on cloud environment: RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();...
View ArticleDelete cache by key is not working Springboot Redis
I would like to use Cache in my app.I set up Redis, connection is OK, cache seems to work but i'm having some trouble..First of all, can i use caching system like that with pagination ?And my other...
View ArticleRedis Server is not getting Refreshed
I'm using redis in my springboot redis application to store cache. But the problem I'm facing is once it is stored in redis my api only hits the redis not the database. I've added time out property it...
View ArticleHashSlots in Redis Cluster
Currently I am having the below lua scriptlocal job_id = KEYS[1]; local job_body = KEYS[2];if job_id ==nil or job_id == '' then error('Invalid job id') end; if job_body ==nil or job_body == '' then...
View ArticleI cannot create JedisConnectionFactory Bean no matter how hard I try
I know this question has been asked in stack overflow before, however the solutions given did not work for me.I get the following error:Error creating bean with name 'jedisConnectionFactory' defined in...
View ArticleSpring Data Redis: Failed to convert from type...
I've been struggling with this exception from Spring Redis Streams when I try to convert a message from the Stream to my entity. I believe it is occurring due to an issue with the Redis Stream's...
View ArticleStrategy to Cache MySQL tables
If you have an user table related to address table as many to many relationship, then what's the best strategy to cache it for Performance?
View ArticleRedis pub/sub connection give connection closed error with lettuce
This method publishes the message and also gets connection closed error constantly in calling publish message method. And for some of the instances for which i am getting this error after checking the...
View ArticleReturn all keys from jedis that match a partial key
In Redis cache I have 3 keys1111-2222-44441111-2222-33331112-2222-3333I have a partial key 1111, and I want to return the two keys 1111-2222-4444, 1111-2222-3333I have the following codepublic...
View ArticleDoes the command WATCH in Redis behave in the same way as volatile variable...
I'm a bit hesitating in terms of how Redis transaction concept works.As fas as I know transaction is list of command between multi and exec which is not executed immediately, but this deferred until...
View ArticleHow to serialize Java Instant type using redis
I'm using spring boot 2.0.3 andspring-boot-starter-data-redis.Also using jackson-datatype-jsr310.I want to store Object into redis.the object(MyObj):String text;Instant instant;Here's my...
View ArticleCan Make Redis server return NULL instead of JedisConnectionException?
We are developing an application that uses the Redis server as a cache server.So what We do are when a client request API it first go to Redis to get data if there is no data it returns null so the...
View ArticleCan Make Redis server return NULL or False instead of JedisConnectionException?
We are developing an application that uses the Redis server as a cache server.So what We do are when a client request API it first go to Redis to get data if there is no data it returns null so the...
View ArticleThe method jedis.hscan is not returning any data, for a partial key
I have 3 keys1111-2222-44441111-2222-33331112-2222-3333Using a partial key 1111, i want to be able to return the values for the keys 1111-2222-4444, 1111-2222-3333.As I understand it the method hscan...
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