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From "Fabien Nisol (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CONFIGURATION-452) HierarchicalConfiguration with XPathExpressionEngine does not work when setting a new property
Date Fri, 10 Jun 2011 18:13:58 GMT
HierarchicalConfiguration with XPathExpressionEngine does not work when setting a new property
----------------------------------------------------------------------------------------------

                 Key: CONFIGURATION-452
                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-452
             Project: Commons Configuration
          Issue Type: Bug
          Components: Expression engine
    Affects Versions: 1.6
         Environment: all
            Reporter: Fabien Nisol


The following code does not work as expected
{code:title=Bug.java|borderStyle=solid}
public class Bug {

	public static void main(String[] args) {
		try {
			XMLConfiguration config = new XMLConfiguration();
			// works
			config.setProperty("test.property[@attribute]", "value");
			config.setExpressionEngine(new XPathExpressionEngine());
			// does not work
			config.setProperty("property/@attribute2", "value2");
			config.save(System.out);
		} catch (ConfigurationException e) {
			// @FIXME Traitement d'exception par defaut
			throw new RuntimeException(e);
		}

	}

}
{code}

hangs with the following exception:


Exception in thread "main" java.lang.IllegalArgumentException: prepareAdd: Passed in key must
contain a whitespace!
	at org.apache.commons.configuration.tree.xpath.XPathExpressionEngine.prepareAdd(XPathExpressionEngine.java:223)
	at org.apache.commons.configuration.HierarchicalConfiguration.addPropertyDirect(HierarchicalConfiguration.java:371)
	at org.apache.commons.configuration.AbstractHierarchicalFileConfiguration.addPropertyDirect(AbstractHierarchicalFileConfiguration.java:140)
	at org.apache.commons.configuration.HierarchicalConfiguration.setProperty(HierarchicalConfiguration.java:749)
	at org.apache.commons.configuration.AbstractHierarchicalFileConfiguration.setProperty(AbstractHierarchicalFileConfiguration.java:158)
	at Bug.main(Bug.java:29)



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