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Java became popular on the Internet due to the small java applets in 1995. Java applets provided great looking web sites. Java became pouplar due to its cross platform support. Java Appliction runs same on Windows as on Linux/Unix/Mac. JSP and Java Servlets are used for server side programming to create dynamic pages which change with every request. We have JSP/ Servlet programmers/developers. We can provide all kind of java web development services. Contact us for a free quote.


Java Web Development News and Articles

  • Java Backend Development in the Era of Kubernetes and Docker

    We moved our monolithic Java application to Kubernetes last year. The promise was scalability and resilience. The reality was a series of silent failures during deployments. Users reported dropped connections every time we pushed a new version. Our monitoring showed zero downtime, but the customer experience told a different story. Requests vanished into the void during rolling updates. We spent weeks chasing network ghosts before finding the root cause. The issue was not the network. It was how our Java application handled termination signals.

    In this article, I will share how we adapted our Java backend for container orchestration. I will explain the specific lifecycle issues we encountered. I will detail the configuration changes that solved the dropout problem. This is not a guide on writing Dockerfiles. It is a record of the operational friction we faced when Java met Kubernetes. Building cloud-native Java apps requires more than just packaging a JAR. It requires understanding how the orchestration layer interacts with the JVM.



  • Java in a Container: Efficient Development and Deployment With Docker

    There is a specific kind of frustration reserved for Java developers who have just containerized their application. You spend hours optimizing your Spring Boot microservice, ensuring your logic is sound and that your tests pass. You wrap it in a Docker container, push it to the registry, and deploy. Then the reality sets in. Your image is 800MB, your startup time is 40 seconds, and during load testing, the container is killed silently by the OS.

    In my recent work, migrating a monolithic Java application to a microservices architecture, we faced this exact triad of issues. We were treating Docker containers like lightweight virtual machines and ignoring the nuances of how the JVM interacts with container boundaries. The result was bloated infrastructure costs, slow CI/CD pipelines, and unstable production pods.



  • Preventing Prompt Injection by Design: A Structural Approach in Java

    The Problem With How We're Sending Data to AI Models

    Most Java applications that integrate with AI models do something like this:

    Java
     
    String userInput = request.getParameter("topic");
    String prompt = "Summarize the following topic for a financial analyst: " + userInput;




  • The Invisible OOMKill: Why Your Java Pod Keeps Restarting in Kubernetes

    Imagine deploying a robust Spring Boot microservice that passes every integration test in your local Docker environment, only to watch it crash loop endlessly shortly after launching to your Kubernetes production cluster. Everything ran fine on your laptop, but in the live environment, your pods start terminating en masse. Requests to your critical endpoints begin failing with 503 errors. Panic sets in as your service, the backbone of your transaction pipeline, is effectively brought down by an invisible foe.

    In our recent migration to a cloud-native architecture, the culprit was a hidden memory configuration issue involving how the Java Virtual Machine interacts with Kubernetes container limits. A tiny mismatch in resource allocation, something that went unnoticed during development, led to a chain reaction of OOMKilled events in production.



  • From APIs to Event-Driven Systems: Modern Java Backend Design

    The outage happened during our biggest sales event of the year. Our order processing system ground to a halt. Customers could add items to their carts, but checkout failed repeatedly. The engineering team scrambled to check the logs. We found a chain of synchronous REST API calls that had collapsed under load. Service A called Service B, which called Service C. When Service C slowed down due to database locks, the latency rippled back up the chain. Service A timed out. Service B timed out. The entire order pipeline froze. We were losing revenue by the minute. This incident forced us to rethink our architecture. We realized that synchronous APIs were not suitable for every interaction. We needed to decouple our services. We needed an event-driven system.

    In this article, I will share how we migrated from a tightly coupled API architecture to an event-driven design using Java and Kafka. I will explain the specific challenges we faced during the transition. I will detail the code changes required to handle asynchronous communication. This is not a theoretical discussion about microservices. It is a record of the practical steps we took to stabilize our platform. Building resilient backend systems requires more than just choosing the right tools. It requires understanding the trade-offs between consistency and availability.



 
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