Category "java"

Firebase read and onClick handler Error in reading the Firebase value: pricecode

Please tell me specifically how to fix the function so that when the button is clicked (onclick handler) passes the value from the database to the firebase USER

Jolt transform JSON array keep rest of the fields

How to keep other fields in the Jolt transform JSON array, I am trying to use wildcard but fields are not added in the final output? Here is the example input I

Service info.mqtt.android.service.MqttService has > leaked IntentReceiver

I keep having this error log when ever i toggle off a switch in my app. E/ActivityThread: Service info.mqtt.android.service.MqttService has leaked IntentReceiv

Spring Boot with common Authentication

I am trying to set up authentication server for spring boot application. I have multiple microservices application. Let say hospitals, patients, reports applica

What is the best way to do async side effect in Reactor?

Let's assume I have a main chain with some processing and I want to call billing service on each item processed and then return the results of the processing fu

log4j JsonTemplateLayout doesn't work when jar file built by shadowJar

I use shadowJar I use log4j2 and I need to log everything in json format. But once I add 'org.apache.logging.log4j:log4j-layout-template-json:2.17.1' into build

Plugin [id: 'org.jetbrains.intellij', version: '1.1.2'] was not found in any of the following sources

When i try to create a Gradle project in Intellij IDEA, with JAVA & Intellij Platform Plugin as options, i am getting following error as shown below. Build

How to exclude a null value computed in JsonValue from JSON serialized by Jackson?

class Wrapper(private val value: String?) { @JsonValue fun asValue(): String? { return value } } val mapper = ObjectMapper()

Dagger-Hilt Did you forget to apply the Gradle Plugin? But I applied the plugin

Hello I'm trying to use the Dagger Hilt library In my project but when I'm trying to build it, it fails with this message public final class MyApplication exten

How do I add environment variables in IntelliJ Spring Boot project

I Am trying to add an environmental variable inside my spring-boot application.properties file. I know how to add it normally on a non spring-boot project, but

Unable to persist Spring data mongodb using save on repository

I am using Spring Data Mongodb and Embeded mongoDB to persist the data. Pom.xml <dependency> <groupId>org.springframework.boot</group

Adding Java home not working on windows ZSH

I have java installed and set up properly and works fine with the normal Windows Powershell. However, I'm trying to make java work with the ZSH terminal and I c

Make R2DBC use the same connection for all interactions with the database in a @Transactional method (Java, Sprint)

Motivation I have a service which I want to make @Transactional. My service is storing complex data in multiple tables, there is a referential integrity between

I am going to use log4j version 2.3.2 . is it safe for me? [closed]

I want to use log4j library for my web app that is created with Java 6. Which version is safe for me ? Do you recommend log4j or log4j2 consid

Mvn is not recognized as a command on Github Actions on Windows a self hosted runner

I set up a simple Github Actions workflow simply to check if my self-hosted Windows Virtual Machine is able to recognize the installed java/git/maven versions.

Servlet returns "HTTP Status 404 The requested resource (/servlet) is not available"

I have an HTML form in a JSP file in my WebContent/jsps folder. I have a servlet class servlet.java in my default package in src folder. In my web.xml it is map

Many to many relationship doesn't add new Entity into the table

I have two entities Book and BookTag. They are connect by many to many relationship. @Getter @Setter @Entity @NoArgsConstructor @AllArgsConstructor @Builder(toB

Using custom function call in CriteriaQuery multiselect cause a null pointer exception

I have a spring boot based application with hibernate-types included to properly map Postgres array to JPA entities. It works fine, but I run into an issue when

How to insert records into a Nested HashMap?

I want to create a nested HashMap of: var myHashMap = new HashMap<String, HashMap<String, int>>(); And I want to insert records into the inner Hash

train a model with djl

Good evening ! I'm starting with DJL. My code source is here https://github.com/ngandji/green_anthill.git someone can tell what is wrong in my code! I learn wit