Jarek Sacha created CONFIGURATION-799:
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Summary: getKeys() can throw NoSuchElementException
Key: CONFIGURATION-799
URL: https://issues.apache.org/jira/browse/CONFIGURATION-799
Project: Commons Configuration
Issue Type: Bug
Affects Versions: 2.7
Environment: Java 11
Reporter: Jarek Sacha
{{AbstractConfiguration#getKeys()}} can throw {{NoSuchElementException}} for
certain configurations. Example is below, note {{addConfiguration(conf1, null,
"")}} where {{at}} argument is blank.
{code:java}
BaseConfiguration conf1 = new BaseConfiguration();
conf1.addProperty("x1", 1);
CombinedConfiguration conf2 = new CombinedConfiguration();
conf2.addConfiguration(conf1, null, "");
// Following line throws NoSuchElementException
conf2.getKeys();
{code}
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