Let's imagine that we have n independent blocking IO tasks e.g. tasks for rest-call to another server. Then all answer we need to combine. Every task can be pro
I have a REST API service which makes an REST API to an external system using RestTemplate. Time out set is 3 sec. To make this external call, I have an Executo
I am using Executor Service for multithreading. I have the below code: ExecutorService executor = Executors.newFixedThreadPool(100); final Multimap<String,
10:59:35,454 ERROR [stderr] (pool-6-thread-1) org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: