Enterprise Java
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TaskletStep Oriented Processing in Spring Batch
Many enterprise applications require batch processing to process billions of transactions every day. These big transaction sets have to be…
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ActiveMQ: Understanding Memory Usage
As indicated by some recent mailing list emails and a lot of info returned from Google, ActiveMQ’s SystemUsage and particularly…
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Session Timeout Handling on JSF AJAX request
Session Timeout Handling on JSF AJAX request When we develop JSF application with AJAX behaviour, we may experience the problem…
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Google Guava EventBus and Java 7 WatchService for Event Programming
This post is going to cover using the Guava EventBus to publish changes to a directory or sub-directories detected by…
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Google Guava MultiMaps
Guava? This is the first in a series of posts where I’ll be attempting to explain and explore Google’s awesome…
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Calculating A Co-Occurrence Matrix with Hadoop
This post continues with our series of implementing the MapReduce algorithms found in the Data-Intensive Text Processing with MapReduce book.…
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Forcing Tomcat to log through SLF4J/Logback
So you have your executable web application in JAR with bundled Tomcat (make sure to read that one first). However…
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Event streaming with MongoDB
MongoDB is a really great “NoSQL” database, with a very wide range of applications. In one project that we are…
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How cool is integration testing with Spring and Hibernate
I am guilty of not writing integration testing (At least for database related transactions) up until now. So in order…
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