I have an Array List called getFields: This array list logs out the following: I need to convert getFields into a JSON Array called jsArray, so I have done this: jsArray logs out the following: The problem is, I do not want jsArray to have a nested array (i.e. I don’t want it to have double square brack…
Tag: java
How to separate and rotate numbers in integer? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 12 months ago. Improve this question I have a small problem. I think it’s simple, but I don’t know, how to manage i…
service.shutdownNow() not killing the thread
In my application im spawning a single thread executor and in the thread I’m doing logic of loading ML models/predictions. If any of the logic exceeds the time-limit(4 minutes), I’m shutting down the thread. But when the application is up, when time out happens, I’m able to see logs of threa…
ActiveMQ Artemis prefixes “jms.topic.” to all topic names defined on Spring Boot Client
I’m using ActiveMQ Artemis 2.18.0 and version 2.5.5 of the spring-boot-starter-artemis dependency on a Spring Boot client. In my use case clients are required to communicate with each other via topics. The issue is that the string jms.topic. is getting prefixed to every topic defined on the client. For …
How does install4j decide where in the registry to store the installation dirs?
I am observing some instdir keys stored in local machine, and some in current user: Is that based on a configuration setting? Answer The local machine keys are only writable with elevated privileges. If no “Request privileges” action has been executed, the current user keys are used.
Spring Boot 2.3.x – How to apply a projection in a custom @RestController?
I am trying to apply projection on an entity returned from a custom controller annotated @RestController. But I am getting an infinite recursion exception This code works fine in Spring Boot 1.5.17 (I can apply projections and even get HAL formatted JSON) but it breaks in Spring 2.3.x. So what I essentially w…
Converting line and column coordinate to a caret position for a JSON debugger
I am building a small Java utility (using Jackson) to catch errors in Java files, and one part of it is a text area, in which you might paste some JSON context and it will tell you the line and column where it’s found it: I am using the error message to take out the line and column as a
Is this code realiable for working out hours in Java, considering summer time changes?
could someone pls help me solve this confusion? I need to display the total work hours for each worker. There are different work shifts. The most complex one, in this case, is the dawn-shift when the person works from 21:00 on a day to 7:00 on the next day, considering day offsets, i.e. on 31th October there …
I getting an error while i am trying to update an user and not able to show my users roles using SpringBoot
what i am trying to do after logging in, in the usersPage, i am trying to show all users with their roles and when i click on edit on one of them i get to edit_user page which i will allow me to edit users but i get an error while am doing that and in the usersPage i can’t
gitlab CI/CD with maven doesn’t setup environment variables in application.properties
I am trying to build CI/CD pipeline with maven. Problem that I meet is that in application.properties I set variables like that: and I cannot setup them it gitlab. Every time if gitlab will build package all time I cannot run it because connection string is wrong I get error: “The connection string is i…