Java Series Part 2: Java Variables

Variables in Java are containers for storing data values. In Java, there are different types of variables, for example: String - stores text, such as "Hello World". String values are surrounded by double quotes int - stores integers (whole numbers), without decimals, such as 15 or -15 float - stores floating point numbers, with decimals, such as 1.99 or -1.99 … Continue reading Java Series Part 2: Java Variables →

Java Series Part 1: Java Expressions

A Java expression consists of variables, operators, literals, and method calls. package com.java.basic; public class ExpressionsExample { public static void main(String args[]) { // 5 + 2 is an expression int add = 5 + 2; System.out.println("Addition= " + add); // 5 - 2 is an expression int sub = 5 - 2; System.out.println("Substraction= " + … Continue reading Java Series Part 1: Java Expressions →

My experience as AWS Community builder for 2021

Is it one year already? Wow time was delivered as fast as CloudFront deliver content 😊  Around this time last year, I was doubting myself about applying for the Community Builders program. I did some research before applying to give me some comfort. I discovered that the number of applications was huge but that was not … Continue reading My experience as AWS Community builder for 2021 →

Cannot access Spring boot app from Docker host and port after deploying to Docker Containers. Solved!

I recently faced an issue where I deployed our spring boot application Docker environment. Everything worked our perfectly fine like app was getting started in docker env. as per logs. But when we tried to access the app endpoints from the docker host and port or the load balancer it was the container was unreachable. … Continue reading Cannot access Spring boot app from Docker host and port after deploying to Docker Containers. Solved! →

Error: kie.container or kieModule bean – Null Pointer Exception? Solved!

I recently we faced an issue in my Drools Config class where we added config for kie container and kie modules. It was working fine in normal windows server environment but we migrated our app into docker environment we faced below error. When running our Java Spring Boot app (Fat Jar) on Docker Environment we … Continue reading Error: kie.container or kieModule bean – Null Pointer Exception? Solved! →

Azure Series Part 9: Creating your first function app via Azure portal and ARM templates

Functions are hosted in an execution context called a function app. You define function apps to logically group and structure your functions and a compute resource in Azure. Function apps may use one of two types of service plans. The first service plan is the Consumption service plan. The plan that you choose when using the Azure … Continue reading Azure Series Part 9: Creating your first function app via Azure portal and ARM templates →

Azure Series Part 8: Automating Metric and Activity based alerts and creating custom log alerts using KQL

Alerts proactively notify you when issues are found with your infrastructure or application using your monitoring data in Azure Monitor. They allow you to identify and address issues before the users of your system notice them. Severity levels Below are few of the target resource for whom we can create alerts in Azure: Virtual machines.Storage … Continue reading Azure Series Part 8: Automating Metric and Activity based alerts and creating custom log alerts using KQL →