spring-data Questions

How to use consumer groups with Spring Data Redis for Redis Streams (keep getting NOGROUP)?

April 27, 2020
WickedElephant
2 Answers

I'm trying to use Spring Data Redis to consume a Redis Stream using consumer groups, but keep getting the following exception: Caused by: io.lettuce.core.RedisCommandExecutionException: NOGROUP No such key 'event-stream' or consumer group 'my-group' in XREADGROUP with GROUP option The message…

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Redis – Difference between blocking Spring Data and reactive Spring Data?

Why do we need non-blocking db connectors if we can just wrap the standard blocking query result in a reactive stream? Are Mongo, Redis, etc non-blocking connectors actually streaming data from the datasource, or fetch data in a blocking fashion,…

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How to use ORDER BY in Spring Boot? – Telegram API

basically I am building a Web app for school and its using Telegram Bot API to send messages to my contacts. On left side of my web page I have contacts div and there is list of all contacts from…

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