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Project Student: Maintenance Webapp (read-only)

This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer, Persistence with Spring Data, Sharding Integration Test Data, Webservice Integration and JPA Criteria Q ...
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Spring from the Trenches: Invoking a Secured Method from a Scheduled Job

Let’s assume that we have implemented a Spring powered application, and secured it by using the method security expressions of Spring Security. Our next task is to implement a scheduled job which uses the secured methods. To be ...
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Sustainable peace with database changes into a Java environment

Sustainable peace for us is remove uncertainty. In this case over database changes the idea Active Record Migrations of Ruby was welcomed. And what does migration means for us?. Well, it is a convenient way to alter our database s ...
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Using jOOQ with Spring: Configuration

I have had my share of performance problems caused by ORMs. Although I have to admit that most of these problems were really caused by yours truly, I have started to think that using ORMs in read-only operations is not worth it. I ...
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Project Student: JPA Criteria Queries

This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer, Persistence with Spring Data, Sharding Integration Test Data and Webservice Integration. We’ve covere ...
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Java 8 Friday Goodies: The New New I/O APIs

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged a couple of times about some nice Java 8 goodi ...
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Running multiple ActiveMQ instances on one machine

A few weeks ago I started making use of Apache ActiveMQ again as the JMS provider with my Mule ESB solution. Since it had been a few years that I used ActiveMQ I thought it would be nice to check out some of the (new) features lik ...
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Implementing dynamic proxies – a comparison

Sometimes there is the need to intercept certain method calls in order to execute your own logic everytime the intercepted method is called. If you are not within in Java EE’s CDI world and don’t want to use AOP frameworks lik ...
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Using regex to hanging indent a paragraph in Java

This post shows how to hanging indent a long paragraph using regular expression. The method will consider word boundaries, which means it will not break words for the indentation. To illustrate the problem, consider the following ...
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Understanding Spring Web Initialization

Few years ago majority of us were used to write XML config files everywhere, to setup even simple Java EE application. Today using Java or Groovy to configure projects is becoming preferred way – you just need to take a look ...
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