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Monitoring JBoss Fuse ESB with Nagios

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Note: this article describe a scenario based on JBoss Fuse, but it’s applicable to any Java context able to run Servlet java, like JBoss EAP, WildFly, Tomcat, etc… One of my recent activity at work has been to provide guidance about monitoring a JBoss Fuse ESB setup with Nagios/OpsView. Despite more specialized solutions for the specific problem do exist (Fuse ...

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How to install Couch DB 1.5 on Ubuntu

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A recent task I had to do on my home Ubuntu Linux box running 12.04. LTS was to install CouchDB. I needed it because I wanted to use ACRA as remote error reporting tool for Android Apps. Acra is completely open source ( hosted on GitHub) and an incredible cool tool started by Kevin Gaudin. I used to try it ...

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JOOQ Facts: SQL functions made easy

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The JDBC API has always  been cumbersome and error-prone and I’ve never been too fond of using it. The first major improvement was brought by the Spring JDBC framework which simply revitalized the JDBC usage with its JdbcTemplate or the SqlFunction classes, to name a few. But Spring JDBC doesn’t address the shortcoming of using string function or input parameters ...

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Drools 6 Performance with the PHREAK Algorithm

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Drools 6 introduces a new lazy matching algorithm. The details of that algorithm have been covered in two previous blogs: R.I.P. RETE time to get PHREAKY PHREAK Stack Based Evaluations and Backward Chaining The first article discussed performance and why the batch and lazy aspects of the algorithm, make it hard to compare.       “One final point on ...

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Configure favicon.ico in Spring MVC based application

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Favicon is an icon (favicon.ico) associated with your website. Not every website is using favicon though. But most browsers do not care about it and they make request for it anyways. When favicon is not in place the server will return unnecessary 404 Not Found error. In a typical Spring MVC application, we firstly need to configure security filter that ...

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A beginner’s guide to Git feature branches

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Why Git The proprietary software shaped the Version Control Systems (VCS) to fit its requirements: the project has a strict release schedule the team is collocated the sprint goals are well-defined and the focus goes to a limited number of stories branching is usually reserved for releases or risky development features the centralized server is hidden from the outside world ...

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To SonarQube or not to SonarQube?

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This is the first question that a team leader, s/w director, customer, developer, architect, tester or whatever role exists in a development team should ask. It’s not yet another question about using another “quality tool”. You already have plenty of them installed. This is not a simple question to see how much you care about test coverage or to find ...

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Creating contract-first web services with Spring WS

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1 Introduction This article explains how to implement and test a SOAP web service using the Spring Web Services project. This example uses JAXB2 for (un)marshalling. To develop the service, I’ll use the contract-first approach, which consists in definning the service contract first, and based on this contract implement the service. The article is divided into the following sections:   ...

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Building Your Personal Programmer Brand

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Just because you’re a software developer doesn’t mean that you don’t have to worry about branding. In fact, if you really want to boost your career, you’ll actively manage it by creating your own personal brand. In this post and I am going to help you create your own personal brand by first giving you a clear picture of what ...

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Java 8: Compiling Lambda Expressions in The New Nashorn JS Engine

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In a recent post I took a look at how Java 8 and Scala implemented Lambda expressions. As we know Java 8 is not only introducing improvements to the javac compiler, It’s also introducing a new one altogether – Nashorn. This new engine is meant to replace Java’s existing JavaScript interpreter Rhino. This is supposed to bring the JVM to ...

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