my vertx (4.0.2) application written in Java (11) uses some data-heavy verticles that cause latency spikes because the eventloop gets blocked by them for a moment. For this reason i wanted to deploy these verticles as worker verticles, so that the eventloop and other verticles are no longer blocked. Unfortuna…
Tag: vert.x
Java common JDBC SQL Query strategy for Unit Test using HSQLDB and runtime using MySQL
I am developing Java Vert.x 3 application. I use HSQLDB for testing with in-memory DB and MySQL 8.0.20 for runtime. When the vertx verticle is deployed, it initializes the db and tables. Since this is a common code and there are differing SQL syntax between HSQLDB and MySQL and more ridiculously, the HSQLDB c…
Getting image in POST request using Java and vert.x
I got the following question, I can’t get image which I’m sending from android app to server, I’m sending image from app using kotlin, and receiving it on server written with Java using vert.x. I send it with following code: on server side I’m handling it like But I can’t get any…
Refresh access_token via refresh_token in Keycloak
I need to make the user keep login in the system if the user’s access_token get expired and user want to keep login. How can I get newly updated access_token with the use of refresh_token on Keycloak? I am using vertx-auth for the auth implementation with Keycloak on vert.x. Is it possible to refresh ac…
Tomcat vs Vert.x
For the past few days I have been reading Vert.x documents. I know that Vert.x is polyglot, single threaded, non-blocking IO, modular architecture, high scalability. Is there any other major differences between tomcat and Vert.x? Also when we should use tomcat and when to use Vert.x? Answer Tomcat is a servle…