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https://issues.apache.org/jira/browse/UIMA-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marshall Schor closed UIMA-2288.
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Resolution: Fixed
> docbook builds intermittently fail with with duplicate ID error, detected by
> FOP (PDF build) processing
> -------------------------------------------------------------------------------------------------------
>
> Key: UIMA-2288
> URL: https://issues.apache.org/jira/browse/UIMA-2288
> Project: UIMA
> Issue Type: Improvement
> Components: Build, Packaging and Test
> Affects Versions: build-resources-2
> Environment: Windows, multi-core machine
> Reporter: Marshall Schor
> Assignee: Marshall Schor
> Priority: Minor
> Fix For: build-resources-3
>
>
> The docbkx process runs an xslt transformation over the source to produce a
> .fo input file for FOP to produce the PDF. From time to time, this
> transformation will generate xml <fo:block id="dxxxx"> elements, with
> identical "id"s, which FOP then checks for and stops running when it finds
> one (duplicate ids are illegal in xml).
> These ids appear not to be used. I looked through one file - the UIMA tools
> guide, and didn't see any use.
> The problem is intermittent, and may be related to multi-core machines. On
> my latest laptop (which has 4 real cores), I'm often getting this error.
> Rerunning a few times usually gets me around this. I can increase the
> likelihood that rerunning works, by kicking off some other CPU-intensive work
> on my laptop, while the xslt transformation is going on
> These generated <fo:block id="dxxx"> elements with duplicate ids always
> appear around the embedding of external graphics.
> Fix this by finding the place in the xslt transform templates which generate
> this, and remove the id=... part; add this as a customization override
> template to our docbook process.
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