July 2015
Beginner to intermediate
162 pages
3h 31m
English
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Serialization and classes
One issue that we do introduce when using the client driver is that while our cluster can hold, persist, and serve classes, it doesn't have to and might not actually hold the POJO class itself in its classpath; rather, a serialization of the persisted object. This means that as long as each of our clients holds the appropriate class in its classpath, we can successfully serialize (for persistence) and de-serialize (for retrieval) the objects, but our cluster nodes can't. You can most notably see this when we try to retrieve entries via the TestApp console for custom objects stored to the cluster by a client, as this will produce ClassNotFoundException.
The process used to serialize objects to the cluster starts by checking ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.