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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2020/07/03 17:49:00 UTC
[jira] [Commented] (HADOOP-17088) Failed to load Xinclude files
with relative path in case of loading conf via URI
[ https://issues.apache.org/jira/browse/HADOOP-17088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17151066#comment-17151066 ]
Steve Loughran commented on HADOOP-17088:
-----------------------------------------
the check for isRestricted already executes before this, so I don't see it opening up access mori
> Failed to load Xinclude files with relative path in case of loading conf via URI
> --------------------------------------------------------------------------------
>
> Key: HADOOP-17088
> URL: https://issues.apache.org/jira/browse/HADOOP-17088
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Yushi Hayasaka
> Priority: Major
>
> When we create a configuration file, which load a external XML file with relative path, and try to load it via calling `Configuration.addResource` with `Path(URI)`, we got an error, which failed to load a external XML, after https://issues.apache.org/jira/browse/HADOOP-14216 is merged.
> {noformat}
> Exception in thread "main" java.lang.RuntimeException: java.io.IOException: Fetch fail on include for 'mountTable.xml' with no fallback while loading 'file:/opt/hadoop/etc/hadoop/core-site.xml'
> at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:3021)
> at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2973)
> at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2848)
> at org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2896)
> at com.company.test.Main.main(Main.java:29)
> Caused by: java.io.IOException: Fetch fail on include for 'mountTable.xml' with no fallback while loading 'file:/opt/hadoop/etc/hadoop/core-site.xml'
> at org.apache.hadoop.conf.Configuration$Parser.handleEndElement(Configuration.java:3271)
> at org.apache.hadoop.conf.Configuration$Parser.parseNext(Configuration.java:3331)
> at org.apache.hadoop.conf.Configuration$Parser.parse(Configuration.java:3114)
> at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:3007)
> ... 4 more
> {noformat}
> The cause is that the URI is passed as string to java.io.File constructor and File does not support the file URI, so my suggestion is trying to convert from string to URI at first.
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