I want to learn how to unit test API gateway endpoints, or just in general, before deploying the API. For example, how could I test something like: public class someController { private SomeService someService; @GET @Path("...") public String someMethod(){ return…
I am a beginner in Java coming from four years in JavaScript and Python. My goal is to run my Java program that connects to Postgres and create a table. My expected result is that java Main will output this…
I'm trying to install the .tar.gz package on my new ubuntu machine. I'm coming from Windows Environment. Usually after the package have been extracted one can easily call "java -version" on the folder where the binaries are located. However my…
I have this Snapshot listener that checks when a chat model is added or modified I want it to give it to me, but the snapshot listener works only when the activity starts and from there, it stops working. The…
This time we use Jenkins to help us to build Java, it used to work well, but if we add a local jar file, it failed. ... [ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:2.6:resources (default-resources) on project ruoyi-admin: /BOOT-INF/lib/cesiumlanguagewriter-2.20.1.jar (No such…
I'm using this Dockerfile configuration FROM openjdk:17-alpine ARG APP_HOME=/app WORKDIR $APP_HOME COPY ./target/ws-exec.jar ws.jar ENV JAVA_OPTS="-Dspring.profiles.active=prod -Dspring.application.name=words" ENTRYPOINT java $JAVA_OPTS -jar ./ws.jar $JAVA_ARGS After deploying it to minikube, I see the only log: Error: Unable to access jarfile /ws.jar. I've…
I'm seeing something strange after upgrading my app to SpringBoot 3 from SpringBoot 2. The application relies on an existing database (MySQL) which doesn't use good practices. One of them is using Y N for booleans stored in a VARCHAR.…
I'm trying to deploy a Spring Boot application to Microsoft Azure Spring Apps using Maven. I strictly followed this tutorial from Microsoft : https://learn.microsoft.com/en-us/azure/spring-apps/how-to-maven-deploy-apps , except for the azure-spring-apps-maven-plugin which had to be upgraded from 1.10.0 to 1.17.0, as per…
Whenever I try to connect to my Redis server from my Java application using Jedis, I get JedisConnectionException: Failed to connect to any host resolved for DNS name. The Java application runs on the same machine as the Redis server.…
I have a dynamic nested json string and I wanted to limit the string value of all keys to have max length of 5 chars. Using: Java fasterxml.jackson For Json String like below: `String inputJsonString = "{"key1":"bla bla bla bla","key2":{"key21":"bla…