saaaaaaarah opened a new issue, #2216:
URL: https://github.com/apache/karaf/issues/2216

   I'm trying to override a numeric config property via environment variable. I 
think the change in [this 
commit](https://github.com/apache/karaf/pull/2181/commits/903003fdf3f2a983cfc81067c737883c4a199edf)
 breaks the previous behavior. When overwriting environment variables, numeric 
values were previously stored as strings in the properties map because they 
were specified as strings in the configuration file, and now they are parsed as 
integers. 
   
   Previous:
   `if (properties.get(key) != null && (properties.get(key) instanceof Number)) 
{ 
       properties.put(key, Integer.parseInt(value));
   } else {
       properties.put(key, value);
   }`
   
   Now:
   ` int intValue = Integer.parseInt(value);
    properties.put(key, intValue);`
   
   This causes problems when using such properties as constructor arguments for 
beans, because the value is now resolved to null there.


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