Scenario: During development of a Spring Boot application, with a PostgreSQL backend, we randomly observe errors such as: hikaripool-1 - connection is not available, request timed out after 30000ms FATAL: remaining connection slots are reserved for non-replication superuser connections Solution: There are a few checks to perform: Ensure that you use the correct … Continue reading Lessons learned: Spring Data Postgres application configuration
Reactive Spring: Combining Server-Side Events with Redis PubSub for real-time push events
A simple example of using Redis PubSub and Spring Reactive Server Side Events for real-time push events to the browser Spring Boot v2.0.3.RELEASE Coding using reactive functional style (as opposed to annotation-based) Spring Initializr Dependencies: “Reactive Web” Redis Driver Used: Jedis Language: Kotlin Scenario and design choices The scenario described in this article is depicted below: … Continue reading Reactive Spring: Combining Server-Side Events with Redis PubSub for real-time push events
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