August 2019
Intermediate to advanced
560 pages
13h 41m
English
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Handling failures in pipelines
As discussed in the Ingest APIs section of this chapter, a pipeline is formed by a list of supported processors that are executed sequentially. If an exception occurs, the whole process is halted. Let's show an exception with an example. The processor in the pipeline is to remove the rating field from the indexing document. However, the rating field is optional and it may not be present. When an error occurs, you can check out the root clause in the error field. When the field rating is missing in the remove processor, it shows you that the reason is field [rating] not present as part of path [rating]:
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.