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https://issues.apache.org/jira/browse/CONFIGURATION-703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16490175#comment-16490175
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Pascal Essiembre commented on CONFIGURATION-703:
------------------------------------------------
Not sure if it impacts anything else negatively, but removing this change in
XMLConfiguration#constructHierarchy(...) seems to do solve the issue:
...
{code:java}
else if (w3cNode instanceof Text)
{
//START fix
attributes.remove(ATTR_SPACE_INTERNAL);
//END fix
Text data = (Text) w3cNode;
buffer.append(data.getData());
}{code}
...
> xml:space="preserve" does not handle blank strings properly
> -----------------------------------------------------------
>
> Key: CONFIGURATION-703
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-703
> Project: Commons Configuration
> Issue Type: Bug
> Affects Versions: 2.2
> Reporter: Pascal Essiembre
> Priority: Major
>
> When using XMLConfiguration 2, tags containing only white spaces are not
> handled properly when xml:space="preserve" is set. 'null' is returned
> instead of the actual spaces. To reproduce:
>
> {code:java}
> XMLConfiguration xml = new BasicConfigurationBuilder<>(
> XMLConfiguration.class).configure(
> new Parameters().xml()).getConfiguration();
> FileHandler fh = new FileHandler(xml);
> fh.load(new StringReader("<test xml:space=\"preserve\"> </test>"));
> System.out.println("TEST: '" + xml.getString("") + "'");
> // Outputs -> TEST: 'null'
> // Should be -> TEST: ' '
> {code}
>
>
>
>
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