Why and how to engage a Complex Event Processor from a Java Web ApplicationLucas Jellema
This document discusses the integration of complex event processing (CEP) within Java web applications to analyze and manage real-time event streams from various sources. It explains how CEP can detect patterns, exceptions, and calculate aggregates by using continuous query language (CQL) on incoming event data. The document also provides examples of practical applications, such as monitoring temperature sensors and analyzing user interactions in a webshop, emphasizing the benefits of CEP for real-time insights and business intelligence.
El documento aborda la recolección de basura (GC) en la Máquina Virtual de Java (JVM), describiendo los errores comunes de memoria como OutOfMemoryError y analizando diferentes recolectores de basura, incluyendo CMS y G1. Se enfatiza la importancia de optimizar la recolección y minimizar las pausas 'stop-the-world' (STW) para mejorar el rendimiento de las aplicaciones. Además, se enumeran herramientas y configuraciones útiles para monitorear y ajustar la JVM.
Enterprise Java Web Application Frameworks Sample Stack ImplementationMert Çalışkan
This document provides an overview of enterprise Java web application frameworks and sample stack implementations. It discusses choosing between various UI, controller, model, and integration frameworks like JSF, Spring, Hibernate, and Apache CXF. It then demonstrates a sample stack using these technologies along with Maven, Eclipse, and other tools. The aim is to provide a scalable and high-performance MVC architecture using proven open source solutions.
Modern web application development with java ee 7Shekhar Gulati
This document discusses building a modern Java web application called Miles2Run using Java EE 7. It describes the initial requirements of allowing users to store running activities and authenticate using Twitter. The technology stack used includes Java EE 7, AngularJS, MySQL, and deployment on WildFly running on OpenShift. Challenges in meeting all requirements and technologies used to overcome them like Redis, MongoDB and C3.js for graphs are also summarized.
The document discusses several key technologies for developing Java web applications, including Java Servlet technology, WebWork framework, Spring framework, and Apache Maven build tool. It provides an overview of how each technology addresses common problems like stateless communication, business logic implementation, view generation, and data access overhead. Examples are given showing how WebWork and Spring can be used together with Maven to build a simple "Hello World" application that follows the MVC pattern and leverages dependency injection.
The document discusses REST (REpresentational State Transfer), an architectural style for building distributed systems. It covers REST concepts like resources, representations, URIs, HTTP methods, caching, and versioning. It provides guidance on designing RESTful APIs, including determining resources, supported methods, and return codes. Content negotiation and tools for testing REST APIs are also mentioned.
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