Category "java"

Firestore Recyclerview item doesn't update when doing add, update, delete data

I have a problem when doing add, update, and delete with my firestore recyclerview. The problem is my recyclerview item updating automatically when doing add, u

Parse Huge xml file in spring boot and load to oracle

I have a requirement to load huge xml file having 1 million records and load to the oracle table. Each record has starting and end tags as and there are many a

How to distinguish regular organizations from non-profit ones with Google API?

We have an app that's getting license info about our clients' Google organizations. We've been using SKU IDs before but now we've faced with non-profit organiza

How to write test cases for Service layer using Junit 4 and mockito

My Repository layer is returning list object, But in my service layer i am filtering out all other and return a single Object. when i try to create test cases i

Sort a Map<Integer, Map<Integer, Integer>> by value length

I want to sort a Map by value length. For example, I have this code: public static void main(String[] args) { Map<Integer, Map<Integer, Integer>>

Getting exception when trying to add entry to PROTOSTREAM based cache in Wildfly

I want to use an Infinispan cache with a PROTOSTREAM marshaller in my app running on Wildfly 26.0.1. I found the following post on StackOverflow, where both @My

How i can duplicate a record with your dependents in spring boot

In my use case I need to create an endpoint that duplicates a record and its dependents by copying the data from the current record to a new record creating new

How to add eye symbol in JPasswordField?

How can I add an eye symbol in my java application using java swing?

How to connect NodeJS and Java?

I need for my Node application to be able to send and recieve data to/from an already running Java app or to launch Java app from Node. So, is there a way to se

GCP PubSub java client's Publisher - concurrency not working Multi threaded environement

I am trying to consume messages from Kafka and publish them to Google PubSub. We have 4 Kafka concurrent consumer threads and I injected the Google pubsub clien

Selenium RemoteWebDriver Usage Example (How to fix selenium.WebDriverException: chrome not reachable)

Not exactly as Chrome not reachable Selenium WebDriver error selenium.WebDriverException: chrome not reachable selenium.WebDriverException: chrome not reachable

JavaFX setup is not working, because of environment variables possibly

I will be using JavaFX on a project. I am no expert but I did install it once with no major issue or problem. But I switched to a new computer and after trying

GCP PubSub java client's Publisher - concurrency not working Multi threaded environement

I am trying to consume messages from Kafka and publish them to Google PubSub. We have 4 Kafka concurrent consumer threads and I injected the Google pubsub clien

GSON JsonObject and LinkedTreeMap

I noticed there wasn't an easy all-inclusive (POJO-free) way to convert (in GSON) a JsonArray to a List. I found an example that uses a TypeToken and when I tri

Is using @CrossOrigin the same as overriding addCorsMapping() in Spring?

In my controller I currently added the following annotation @CrossOrigin: @RestController @RequestMapping(value = "/dev/test") @CrossOrigin publ

Apache Commons Net FTP does not throw any exception on wrong credentials

I just managed to upload some files to an FTP server using Apache Commons Net FTP. When I use everything as it should be it works fine, I mean, the file uploadi

Vaadin Refer to mainLayout from RouterLayout

I need to create a buffer between the application screens. I think to make a buffer in the mainLayout but I can't access it from the child layers I tried to do

How to call multiple routes sequentially without messing with body

I have something like the following: .from("direct:start") .to("direct:a") .to("direct:b") .to("direct:c"); The issue I have is direct:a modifies t

Slf4j logger log fields from parent class

I have following code: @Slf4j public class Main { @Data public static class AClass { private String title; } @Data public static class BClass extends ACla

How to convert List<Integer> into JSONArray of Integers, using stream() method in Java

I'm trying to find best way to convert List of Integers to JSONArray of org.json.JSONArray library for API call. For that purpose I'm trying to implement stream