Configuring VisualVM with tomcat + linux

VisualVM is a tool that provides a visual interface for viewing detailed information about Java applications while they are running on a Java Virtual Machine (JVM), and for troubleshooting and profiling these applications.

Spring Security authentication failure event

For security reasons you need to limit failure login attempts in your application, simply you can do it using counter, that updates a count in the DB. Next I will show how to handle this event in Spring Security

Java: MongoDB simple example

MongoDB - is an open source document-oriented NoSQL database system. Next I will create simple servlet example that's uses MongoDB. 

Java: Generate Microsoft Word document

First you need download Apache POI - the Java API for Microsoft Documents, and next this fragment of code

Java Concurrent Animated

This project is a series of animations each illustrating the coding and usage of a component in the java concurrent library.

Comparing JVM WEB Frameworks

OWASP Top Ten Web-sites Security leaks

• A1: Injection
• A2: Cross-Site Scripting (XSS)
• A3: Broken Authentication and Session Management
• A4: Insecure Direct Object References
• A5: Cross-Site Request Forgery (CSRF)
• A6: Security Misconfiguration
• A7: Insecure Cryptographic Storage
• A8: Failure to Restrict URL Access
• A9: Insufficient Transport Layer Protection
• A10: Unvalidated Redirects and Forwards

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