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https://issues.apache.org/jira/browse/HADOOP-14216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran reopened HADOOP-14216:
-------------------------------------
This is breaking XInclude for me, which I'm using to pull in resources (aws
credentials) via an XInclude to a file:// URL in the resource /auth-keys.xml,
which is itself pulled in from core-site.xml
Here's details on [my
setup|https://steveloughran.blogspot.co.uk/2016/04/testing-against-s3-and-object-stores.html].
It's failing, even on the non IT tests, the ones which don't need a set of
credentials to work. They still load in core-site, they still want to pull in
XIncludes. They now fail.
I tried using the xi: prefix explicitly, but no, nothing there.
{code}
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude";
href="file:///home/stevel/.aws/html-keys.xml" >
</xi:include>
{code}
(note: not the reai path, before anyone thinks of a way to steal my secrets)
What does work is remove the file:// prefix:
{code}
<include xmlns="http://www.w3.org/2001/XInclude";
href="///home/stevel/.aws/html-keys.xml" >
</include>
{code}
Makes me thing the issue here is the fallback logic: if the XInclude href is a
full URI, it should be used as is. Also, if the file is missing: log @ info
before falling back, so people get a hint of what is playing up.
I now know enough about the problem to change my auth-keys file, so get tests
running again. However, the XInclude reference logic has changed —I don't know
who else is expecting file:// or other other references to work.
> Improve Configuration XML Parsing Performance
> ---------------------------------------------
>
> Key: HADOOP-14216
> URL: https://issues.apache.org/jira/browse/HADOOP-14216
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Jonathan Eagles
> Assignee: Jonathan Eagles
> Fix For: 2.9.0, 3.0.0-alpha3
>
> Attachments: HADOOP-14216.1.patch, HADOOP-14216.2-branch-2.patch,
> HADOOP-14216.2.patch, HADOOP-14216.addendum.1.patch
>
>
> JIRA is to improve XML parsing performance through reuse and a change in XML
> parser (STAX)
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