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Hibernate 4.2.8 , javassist 3.18.1 and ClassCastExceptions – watch out your classpath

I am writing this post as a tip and warning rather than an absolute solution. I will try to come back with a workaround for my case (WebSphere 8.5.5), but I am sure that other developers ...
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AmazonSQS and Spring for messaging queue

The next post will demonstrate how to use Spring JMS templates and DLMC’S together with AmazonSQS API in order to place message queue. Why would I use Amazon SQS?Easy to configure Cross-platfom ...
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An Annotation Nightmare

                      @XmlElementWrapper(name="orders") @XmlJavaTypeAdapter(OrderJaxbAdapter.class) @XmlElements({ @XmlElement(name="order_2",type=Order2.class), ...
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Project Student: Persistence With Spring Data

This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey and Business Layer. The final layer of the RESTful webapp onion is the ...
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Memory leaks and memory management in Java applications

One of the more prominent features of the Java platform is its automatic memory management. Many people translate this feature erroneously into there are no memory leaks in Java. However, ...
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Java EE 7 and WebSocket API for Java (JSR 356) with AngularJS on WildFly

This blog post describes the Java API for WebSocket Protocol (JSR 356) (which is one of four newest JSRs for the Java EE 7 platform) and provides a concrete application deployed on ...
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Determining Presence of Characters or Integers in String with Guava CharMatcher and Apache Commons Lang StringUtils

A recent Reddit post asked the question, “Is there a predefined method for checking if a variable value contains a particular character or integer?” That question-based ...
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Project Student: Webservice Server with Jersey

This is part of Project Student. Other posts are Webservice Client With Jersey, Business Layer and Persistence with Spring Data. The second layer of the RESTful webapp onion is the ...
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Introduction To JUnit Theories

Have you ever read a mathematical theory? It typically reads something like this: For all a, b > 0  the following is true: a+b > a and a+b > b Just typically the statements ...
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(Part 2 of 3): Synopsis of articles & videos on Performance tuning, JVM, GC in Java, Mechanical Sympathy, et al

This is a continuation of the previous post titled (Part 1 of 3): Synopsis of articles & videos on Performance tuning, JVM, GC in Java, Mechanical Sympathy, et al. Without any ...
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