Category "java"

KTable-KTable foreign-key join not producing all messages when topics have more than one partition

See Update below to show potential workaround Our application consumes 2 topics as KTables, performs a left join, and outputs to a topic. During testing, we fou

Mockito mock Java @Value with spring boot

Hi I have this simple code for my Spring Boot Project: @Component public class UserRowMapper implements RowMapper<User> { @Value("${bug.value}") p

java.lang.InternalError: platform encoding not initialized when running EXE4J .exe w/ Java14 on PATH

So this error is a weird one... I'm using EXE4J 6 to build a .exe file for my JavaFX Application. This has worked with no issues through Java version 13.0.1. I

Error creating bean with name 'mongoTemplate' defined in class path resource Mongobee

Using the Mongobee for Data Migration creating and error as Error creating bean with name 'mongoTemplate' defined in class path resource Migration configuration

Colored Emojis in Java Swing Labels

I was wondering how to dispaly colored emojis in swing. I have a feeling that the Swing (awt) font engine is unable to do this. I've tried using the windows emo

How to read a file from internal storage or external storage and store the file in a arrayList in android

My requirement is the end-user must be able to upload files into the application from internal or external storage and finally display the name of the file in t

How to fetch the conversation id from a .msg file using MAPIMessage

I'm trying to parse a .msg file. How do I get the conversation id? I'm using org.apache.poi.hsmf.MAPIMessage

Retrofit 2 Response is null even when response code is 200 and response.isSuccessful() is true

My json response file is : { "access_token": "3lfX6-GCJv8uWZE8h8OSDL5eY5oiiInNjLKZTy2ZFxj7Tru4Ounb3jIdPGMe48Ed6QchTGI3il3NxAOTdHe-3hc-1jAsqiCk6Jq_w5DfRESOfj

Electronics Shop

I have been working on this question, and after submitting my code 7 cases passed, however, 9 cases failed. The question link is here of HackerRank : Electronic

How to test logstash Marker in Junit

I have to create a Junit test for my class logging Map<String, Object> mapMarker = new HashMap<>(); mapMarker.put("input_source", "test_input_source

Missing table [rev_info] after bump liquibase version, spring data envers

I have problem with my project after bump liquibase version to 4.9.1. There is error: BeanCreationException: Error creating bean with name 'entityManagerFactor

Kotlin methods accepting inline classes as parameters - how access from Java?

Let's say I have: inline class Email(value: String) and fun something(email: Email) now if I want to call something() from Java I can't. Because any method

Apache HttpClient 5 as transport option in Google Cloud Storage API

When using the Google Cloud Storage API in Java, we can create an instance of Storage using a builder while specifying some transport options, as follows: Stora

Error in reading the Firebase value: pricecode

Please tell me what is my mistake? I'm trying to count the pricecode and shove it into user -> price. But instead, it gives an error or a link, and not the v

How to find Z highest subset Sums from the array of N elements

I have an array of numbers, now I want to find all possible subset sums and get the top z elements in it. Example: Input : arr[] = {2, 4, 5}, z = 3 SubsetSums

Canvas center two different paints drawText align with each other

First of all really sorry for my English. I am new to android studio. I want to center two different canvas drawText align with each other. Currently, I just se

Accessing a JSON array inside of a JSON object in Android Studio

I am testing my knowledge and ability with android studio and API's, I have been using volley and I have come across a little problem. The API I have been using

How to rename xs:simpleType during jaxb XJC generation?

I'm using jaxb and xjc to autogenerate java classes from xsd files. Problem: I have two files that show the same simpleType name. And thus get a compilation err

VS code - SonarLint:Simplify the expression produce invalid syntax

I'm getting S1125 for a code smell: MyVO vo; public boolean is() { return vo == null ? false : vo.is(); } Remove the unnecessary boolean literal.sonarlint

VS code - SonarLint:Simplify the expression produce invalid syntax

I'm getting S1125 for a code smell: MyVO vo; public boolean is() { return vo == null ? false : vo.is(); } Remove the unnecessary boolean literal.sonarlint