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https://issues.apache.org/jira/browse/CONFIGURATION-807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Marco Di Falco updated CONFIGURATION-807:
-----------------------------------------
    Description: 
The method addProperty not append a NEW property in the file when the property 
not exist.
 I work with java 7.
 I see that the new property don't compare in keys list, and when the property 
is new.

Example:
{code:java}
PropertiesConfiguration config = new PropertiesConfiguration();{code}
{code:java}
PropertiesConfiguration config = new PropertiesConfiguration();
 PropertiesConfigurationLayout layout = new PropertiesConfigurationLayout(); 
layout.load(config, new InputStreamReader(new FileInputStream(zookeeper))); 
{code}
{code:java}
String port = instance.getPort();
{code}
{code:java}
config.setProperty("clientPort", port); {code}
{code:java}
config.addProperty("prova","prova"); {code}
{code:java}
layout.save(config, new FileWriter(zookeeper));
{code}
The property 'prova' don't appear in the file property after the save.

I see in PropertiesConfigurationLayout.save, line 565, that the method  
'getKeys' don't contain the property 'prova', and the save lost this property.

  was:
The method addProperty not append a NEW property in the file when the property 
not exist.
I work with java 7.
I see that the new property don't compare in keys list, and when the property 
is new.

Example:


{code:java}
Segnaposto codice //{code}
{code:java}
PropertiesConfiguration config = new PropertiesConfiguration();{code}
{code:java}
PropertiesConfiguration config = new PropertiesConfiguration();
 PropertiesConfigurationLayout layout = new PropertiesConfigurationLayout(); 
layout.load(config, new InputStreamReader(new FileInputStream(zookeeper))); 
{code}
{code:java}
String port = instance.getPort();
{code}
{code:java}
config.setProperty("clientPort", port); {code}
{code:java}
config.addProperty("prova","prova"); {code}
{code:java}
layout.save(config, new FileWriter(zookeeper));
{code}

The property 'prova' don't appear in the file property after the save.

I see in PropertiesConfigurationLayout.save, line 565, that the method  
'getKeys' don't contain the property 'prova', and the save lost this property.


> Method addProperty don't work if the property not exist in the file
> -------------------------------------------------------------------
>
>                 Key: CONFIGURATION-807
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-807
>             Project: Commons Configuration
>          Issue Type: Bug
>    Affects Versions: 2.7
>            Reporter: Marco Di Falco
>            Priority: Major
>
> The method addProperty not append a NEW property in the file when the 
> property not exist.
>  I work with java 7.
>  I see that the new property don't compare in keys list, and when the 
> property is new.
> Example:
> {code:java}
> PropertiesConfiguration config = new PropertiesConfiguration();{code}
> {code:java}
> PropertiesConfiguration config = new PropertiesConfiguration();
>  PropertiesConfigurationLayout layout = new PropertiesConfigurationLayout(); 
> layout.load(config, new InputStreamReader(new FileInputStream(zookeeper))); 
> {code}
> {code:java}
> String port = instance.getPort();
> {code}
> {code:java}
> config.setProperty("clientPort", port); {code}
> {code:java}
> config.addProperty("prova","prova"); {code}
> {code:java}
> layout.save(config, new FileWriter(zookeeper));
> {code}
> The property 'prova' don't appear in the file property after the save.
> I see in PropertiesConfigurationLayout.save, line 565, that the method  
> 'getKeys' don't contain the property 'prova', and the save lost this property.



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