I'm working on a Spring Boot project that connects to a PostgreSQL database, but I'm encountering issues with the database connection setup. The logs show the following: The database driver is reported as "undefined/unknown." There are warnings related to Hibernate,…
I have the project with following microservices: FE: Spring Boot 3 application which displays information to the user BE: Spring Boot 3 application which connects with DB and sends information to FE MySql: database which stores data Config Sever: Spring…
I have trouble tracing and understanding how Java (and Javascript) is handling the following code: // Java int i = 0; int[] a = {10, 20, 30, 40, 50, 60}; a[++i] = a[i++] = a[++i] = ++i; System.out.println(Arrays.toString(a)); // [10,…
I think I've found a bug, but I'm not sure whether to blame the JVM, JNI, NASM, GCC, or ld. The bug causes my compiled modding language called grug (see this for videos and explanations) to sporadically crash Minecraft (Java…
i am storing JSON data as jsonb column and searching for specific object by key . Here is my json structure [ { "item_tags": ["black", "optional"], "name": "Keyboard", "price": 50, "currency": "USD", "discount_price": 40 }, { "item_tags": ["white", "optional"], "name":…
I am trying to run an azure function that I wrote in Java locally using func start. This doesn't work and this is the error message that I'm getting: `PS C:UsersUserNamePicturesPowerPagesstyringsgruppen-powerpages-siteJavavscode> func start Azure Functions Core Tools Core Tools Version:…
I have simple query: /* crm_person */ select /*query crm_person*/ crm_pers.* from crm_person crm_pers where 1=1 and crm_pers.id = ? And params map: As result I am getting error - org.postgresql.util.PSQLException: ERROR: operator does not exist: bigint = character varying…
Let's say I want to get the content of java.runtime.version to the Linux shell. I don't want to call java -version and or doing any kind of grepping / sedding as we used this approach already in the past and…
TLDR at the bottom I'm fairly new to java and have been studying for around 2 years in my spare time. I've recently decided to try my hand at making some retail software for my small business. I am using…
As you will see below, I have integration tests running with LocalStack and TestContainers. Locally, the tests run end-to-end successfully. In GitLab Pipelines, they don't get past the configurations, where a table and queue are created on application start. The…