I just migrated from Spring boot 2 to Spring boot 3. When I run the project I get the error | Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:6379 | Caused by: java.net.ConnectException: Connection refused | at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na] | at…
Trying to delete multiple row of DynamoDB. Querying only on one table of DynamoDB.On basis the of Partition key, its returning 2 values as output, which is save in list. Now after deleting this value using BatchDelete only first element…
I am new to AWS, and I am having problem to use SSL https to connect my Angular frontend (S3 and CloudFront) to the backend (EC2 with Load Balancer). Here is what I have done: Backend is Spring boot (no…
I am using Spring boot with Mysql. I have implemented Datasource and defined properties in application.xml file. I have a long running query: @Query(value - "select sleep(10)", nativeQuery=true) public void test(); in JPA repository methods. I want to implement query…
I have a small Java Springboot backend and a mySQL database. The data class for the objects to be saved in the database looks as follows: @Entity public class Product { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private int id; private String…
I wonder if anyone got an insights regarding this error I got from postman below: { "timestamp": "2022-12-29T07:59:00.313+0000", "status": 500, "error": "Internal Server Error", "message": "could not execute statement; SQL [n/a]; nested exception is org.hibernate.exception.SQLGrammarException: could not execute statement", "path":…
I have a Spring cloud API gateway talking to keycloak server for JWT authentication. If I run my application from eclipse and keycloak as single docker container, it works fine. However when I run my spring boot application as docker…
I am creating a simple Java/Gradle/Spring application. I am working on Dockerizing the app. When I run the app locally without docker, it properly uses the values in my application.yml file. However, when I run the Docker image, it doesn't…
As the title described, in Ubuntu 20.04 how to set Tomcat 9 to use Java 17 ? Recently I repacked the war file of my web project with Spring Boot 3.0.1 which requires Java 17 to run, trying to deploy…
public class APIService { private List<CoinDTO> coinList = new ArrayList<>(); private final TrackerConfigProperties trackerConfig; //Injecting configuration properties into the constructor. public APIService(TrackerConfigProperties trackerConfig) { this.trackerConfig = trackerConfig; } public List<CoinDTO> getCoinList() { return coinList; } public void setCoinList(List<CoinDTO> coinList) {…