[jira] [Created] (CONFIGURATION-671) Empty ini section occurs NPE while save to writer

[yankai zhang (JIRA)]

yankai zhang created CONFIGURATION-671:
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             Summary: Empty ini section occurs NPE while save to writer
                 Key: CONFIGURATION-671
                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-671
             Project: Commons Configuration
          Issue Type: Bug
          Components: File reloading, Format
    Affects Versions: 2.1.1
         Environment: OS: OS X 10.12
JDK: 1.8
            Reporter: yankai zhang
            Priority: Minor



Run following code:

{code:java}
import org.apache.commons.configuration2.INIConfiguration;
import java.io.*;

public class Demo {
   public static void main(String[] args) throws Exception {
    INIConfiguration ini = new INIConfiguration();
    ini.read(new StringReader("[emptySection]"));
    ini.write(new StringWriter());
  }
}
{code}

Result:

{noformat}
Exception in thread "main" java.lang.NullPointerException
        at 
org.apache.commons.configuration2.INIConfiguration.writeProperty(INIConfiguration.java:458)
        at 
org.apache.commons.configuration2.INIConfiguration.write(INIConfiguration.java:309)
        at Demo.main(Demo.java:8)
{noformat}







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