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From "Michal Grzybek (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CONFIGURATION-742) Dots in ini keys corrupts nodes structure
Date Thu, 07 Mar 2019 09:11:00 GMT
Michal Grzybek created CONFIGURATION-742:
--------------------------------------------

             Summary: Dots in ini keys corrupts nodes structure
                 Key: CONFIGURATION-742
                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-742
             Project: Commons Configuration
          Issue Type: Bug
          Components: Expression engine
    Affects Versions: 1.6
            Reporter: Michal Grzybek


Example:
{noformat}
[dots_example]
...

# only key, no value on purpose {noformat}
Dots as key names are [considered as syntax error|http://commons.apache.org/proper/commons-configuration/userguide/howto_hierarchical.html#Escaping_special_characters]
but no ConfigurationException is thrown and also this property is stored in data structure
as a node with key="..." and value=null.

This leads to problems:

 

{{configParser.getSection("dots_example").getRootNode().getChildren()}}
// returns Collection with one Node: "..."=null

{{configParser.getSection("dots_example").getKeys()}}
// returns List size=1 with "..." inside

 

but

{{configParser.getSection("dots_example").containsKey("...")}}
// return false

 

The result of inconsistent data structure is e.g. NPE when writing to file.

 



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