Enterprise Java
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Batching (collapsing) requests in Hystrix
Hystrix has an advanced feature of collapsing (or batching) requests. If two or more commands run similar request at the…
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Apache Camel please explain me what these endpoint options mean
In the upcoming Apache Camel 2.15, we have made Camel smarter. It is now able to act as a teacher…
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Java EE 7 / JAX-RS 2.0 – CORS on REST
Java EE REST application usually works well out of the box on a development machine where all server side resources…
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Create WildFly OpenShift application using Command Line Tools
A new instance of WildFly can be easily provisioned on OpenShift by using the quick start. Just a single click,…
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Spring boot based websocket application and capturing http session id
I was involved in a project recently where we needed to capture the http session id for a websocket request…
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Beginner’s Guide to Hazelcast Part 2
This article continues the series that I have started featuring Hazelcast, a distributed, in-memory database. If one has not read…
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Spring from the Trenches: Resetting Auto Increment Columns Before Each Test Method
When we are writing integration tests for a function that saves information to the database, we have to verify that…
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Hibernate collections optimistic locking
Introduction Hibernate provides an optimistic locking mechanism to prevent lost updates even for long-conversations. In conjunction with an entity storage,…
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Spring Caching abstraction and Google Guava Cache
Spring provides a great out of the box support for caching expensive method calls. The caching abstraction is covered in…
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