About Tomasz Nurkiewicz

Java EE developer, Scala enthusiast. Enjoying data analysis and visualization. Strongly believes in the power of testing and automation.

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Spring Integration with reCAPTCHA

Sometimes we just need CAPTCHA, that’s a sad fact. Today we will learn how to integrate with reCAPTCHA. Because the topic itself isn’t particularly interesting and advanced, ...
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Quartz scheduler misfire instructions explained

Sometimes Quartz is not capable of running your job at the time when you desired. There are three reasons for that:all worker threads were busy running other jobs (probably with ...
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Quartz scheduler plugins – hidden treasure

Although briefly described in the official documentation, I believe Quartz plugins aren’t known enough, looking at how useful they are. Essentially plugins in Quartz are convenient ...
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Configuring Quartz with JDBCJobStore in Spring

I am starting a little series about Quartz scheduler internals, tips and tricks, this is a chapter 0 – how to configure persistent job store. In Quartz you essentially have a ...
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Filter irrelevant stack trace lines in logs

I love stack traces. Not because I love errors, but the moment they occur, stack trace is priceless source of information. For instance in web application the stack trace shows you ...
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Client-side server monitoring with Jolokia and JMX

The choice of Java monitoring tools is tremendous (random selection and order powered by Google): javamelodypsi-probeJVisualVMjconsoleJAMonJava JMX Nagios Plugin N/A Besides, ...
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Automatically generating WADL in Spring MVC REST application

Last time we have learnt the basics of WADL. The language itself is not as interesting to write a separate article about it, but the title of this article reveals why we needed that ...
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WADL in Java: Gentle introduction

WADL (Web Application Description Language) is to REST what WSDL is to SOAP. The mere existence of this language causes a lot of controversy (see: Do we need WADL? and To WADL or not ...
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Enabling JMX in Hibernate, EhCache, Quartz, DBCP and Spring

Continuing our journey with JMX (see: JMX for human beings) we will learn how to enable JMX support (typically statistics and monitoring capabilities) in some popular frameworks. Most ...
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Spring Pitfalls: Transactional tests considered harmful

One of the Spring killer-features is an in-container integration testing. While EJB lacked this functionality for many years (Java EE 6 finally addresses this, however I haven’t, ...
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