Enterprise Java
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Hadoop: HDFS – java.lang.NoSuchMethodError: org.apache.hadoop.fs.FSOutputSummer.(Ljava/util/zip/Checksum;II)V
I wanted to write a little program to check that one machine could communicate a HDFS server running on the…
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Gentle Introduction to Hystrix – Hello World
In a previous blog post I had covered the motivation for needing a library like Netflix Hystrix. Here I will…
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Spring and Amazon Web Services
Amazon Web Services (or AWS) is nowadays one of the most common choices of the infrastructure and hardware providers to…
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Basics of scaling Java EE applications
To be honest, ‘scalability’ is an exhaustive topic and generally not well understood. More often than not, its assumed to…
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Spring Boot Oauth2 Security
This post is an enhancement for my previous post which talks about how to secure your REST API using Spring…
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CDI interceptor of HTTP Request and Header params – simple example
While developing and evolving a REST API, using Java EE , there are some cases where you would like to…
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Better Performing Non-Logging Logger Calls in Log4j2
Using logging guards is a common practice when using Log4j 1.x and wanting to avoid the additional performance impact that…
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Automated Software Testing of Fusion Middleware applications with FlexDeploy
Automated software testing is one of the mandatory activities that any software organization should perform in order to be able…
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JAX-RS and JSON-P integration
This short post talks about support for JSON-P in JAX-RS 2.0 JSON-P …? The JSON Processing API (JSON-P) was introduced…
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