Martin Lindgren created CONFIGURATION-599:
---------------------------------------------
Summary: CombinedConfiguration fails to merge correctly when one
configuration only contains one property
Key: CONFIGURATION-599
URL: https://issues.apache.org/jira/browse/CONFIGURATION-599
Project: Commons Configuration
Issue Type: Bug
Affects Versions: 1.9
Reporter: Martin Lindgren
Priority: Critical
When using a CombinedConfiguration it fails to merge properties located in both
of the configurations if one of the configuration only contains 1 property.
{code:title=CombinedConfiguration.java|borderStyle=solid}
public static void main(String[] args)
{
NodeCombiner combiner = new MergeCombiner();
combiner.addListNode("module");
CombinedConfiguration configuration = new
CombinedConfiguration(combiner);
XMLConfiguration xmlConf = new XMLConfiguration();
xmlConf.addProperty("modules.module", "1");
xmlConf.addProperty("modules.module", "2");
xmlConf.addProperty("modules.module", "3");
XMLConfiguration xmlConf2 = new XMLConfiguration();
xmlConf2.addProperty("modules.module", "4");
configuration.addConfiguration(xmlConf);
configuration.addConfiguration(xmlConf2);
//THIS WILL NOT PRINT THE VALUE 4 FROM XMLCONF2
for(String s : configuration.getStringArray("modules.module"))
{
System.out.println(s);
}
System.out.println();
//Now add one more additional property
xmlConf2.addProperty("modules.module", "5");
//NOW IT WILL PRINT BOTH VALUE 4 AND 5 FROM XMLCONF2
for(String s : configuration.getStringArray("modules.module"))
{
System.out.println(s);
}
}
{code}
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