Home » Author Archives: Srinivas Ovn

Author Archives: Srinivas Ovn

Srinivas is a Senior Software Engineer in java and all related technologies. He has varied experience working in domains like finance, security and telecom. His hobbies include blogging and exploring new java frameworks/technologies.

Spring MVC 3: Upload multiple files


It was just another long day at office with the database not available and one of the team members lagging by a week now. So, we had to work as a team to get it delivered. In Spring 3, it looked straight forward to upload a file. However, there was little help on offer, to upload multiple files from a ...

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Effective Logging in Java/JEE – Mapped Diagnostic Context


It all started when i was sitting with a colleague to resolve some application issue, when i noticed something interesting. He was merging the code and my eyes caught the attention of this class “org.apache.log4j.MDC”. This led to few discoveries on the way which  follow here: What is MDC? MDC stands for Mapped Diagnostic Context. It helps you to distinguish ...

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