Yushi Hayasaka created HADOOP-17088:
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Summary: 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
When we create a configuration file, which load a external XML file with
relative path, and try to load it with calling
`Configuration.addResource(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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