redisson Questions

NotSerializableException with redisson-spring-boot-starter

September 22, 2020
zhaider
2 Answers

I'm using redisson-spring-boot-starter 3.13.2 and Kotlin for cache but I get the following exception: java.lang.IllegalArgumentException: java.io.NotSerializableException: com.service.message.State at org.redisson.RedissonObject.encodeMapValue(RedissonObject.java:338) at org.redisson.RedissonMapCache.fastPutOperationAsync(RedissonMapCache.java:843) at org.redisson.RedissonMapCache.fastPutAsync(RedissonMapCache.java:746) at org.redisson.RedissonMapCache.fastPut(RedissonMapCache.java:720) at org.redisson.spring.cache.RedissonCache.put(RedissonCache.java:107) at org.springframework.cache.interceptor.AbstractCacheInvoker.doPut(AbstractCacheInvoker.java:87) at org.springframework.cache.interceptor.CacheAspectSupport$CachePutRequest.apply(CacheAspectSupport.java:820) at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:429) at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:345) at org.springframework.cache.interceptor.CacheInterceptor.invoke(CacheInterceptor.java:61) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at…

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how to get the current time by use redisson client

August 26, 2020
silentfish
2 Answers

if i have several servers, maybe servers's current system time are different. how can i all use redisson to get current time? I've read the RedissonClient api, but I haven't found the way to get this yet

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Redisson client: retrieve top N keys

August 24, 2020
SlandShow
2 Answers

How can i get top of N keys from redisson client? I found next signature in getKeysByPattern() method: Iterable<String> getKeysByPattern(String pattern, int count); But looks like count - is keys loaded per request to Redis. How can i load top…

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How does the distributed executor service in Redisson work with regards to scoping / closuring?

August 24, 2020
mjs
2 Answers

If I push a Runnable to a redisson distributed executor service, what rules am I required to oblige by? Surely , I can not have free reign, I do not see how that is possible, yet, it is not mention…

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Register a custom serializer implementing instantiate or define empty constructor – redis cache on wildfly

July 7, 2020
Sunil Chauraha
2 Answers

I am running res client (Redisson) on wildfly server and for few cache key. I am getting below exception. Same code works on SpringBoot and standalone Java program. But fails on Wildfly. Any help/suggestion is appreciated. Caused by: java.io.IOException: java.io.IOException:…

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How can I use Redisson Write-through caching strategy with an auto-generated PK

May 12, 2020
ioan tinca
2 Answers

I am planning to use Redis with Redisson as a caching layer between my Java app and a PostgreSQL DB. I have a table called Nodes looking like this: CREATE TABLE nodes ( node_id bigint GENERATED BY DEFAULT AS IDENTITY(START…

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Is there a way to specify the TLS version to use in Redisson client?

April 27, 2020
anu talasu
2 Answers

We are using the Redisson client (redisson-3.11.4) to connect to a Redis server. With netty 4.1.42.Final, everything worked fine. But after upgrading to netty 4.1.48.Final, TLSv1 ClientHello is sent and therefore not able to connect to the server. Tried specifying…

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is there option provided by redis to do partial updates to cache objects

April 24, 2020
Anantha Pai
2 Answers

I am storing data in redis using JCA(java caching api) where key is String and value is Object which is JSON string. I have a requirement to perform partial update to cache value instead of retrieving cache value using key…

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How to fetch cached value using redisson client

April 21, 2020
user951215
2 Answers

I wanted to fetch cached(@Cachable) value using redisson client but it return strange data if i use any codec in redisson client (getBucket("fruit::1",StringCodec.INSTANCE)) and it throws error unless i use codec. i have used below code for caching @Cacheable(value =…

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Redis – Distributed locks in Microservice architecture

February 5, 2020
M. Shashanka
2 Answers

We have an architecture setup where we have the client application running in a server and we would want to have a Micro Service responsible for offering the Distributed Lock/Map/Cache functionality. This Micro service internally uses Redisson , a java…

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