[jira] [Created] (LOG4J2-3247) PropertiesConfiguration.parseAppenderFilters NPE when parsing properties file filters

["Fábio Constantino (Jira)" <ji...@apache.org>]

Fábio Constantino created LOG4J2-3247:
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             Summary: PropertiesConfiguration.parseAppenderFilters NPE when parsing properties file filters
                 Key: LOG4J2-3247
                 URL: https://issues.apache.org/jira/browse/LOG4J2-3247
             Project: Log4j 2
          Issue Type: Bug
          Components: Configurators
    Affects Versions: 2.16.0
            Reporter: Fábio Constantino


When parsing appender filters configured in the properties file for example:
{code:java}
log4j.appender.LOG_REQUEST_START_DB=my.appender.class
log4j.appender.LOG_REQUEST_START_DB.filter.ID=my.filter.class{code}
a NullPointerException is thrown on line 564 of org.apache.log4j.config.PropertiesConfiguration. The _next_ variable is always _null_ at that point, from what appears to be a bug in the _if_ condition above (looks like it should be _head == null_ instead of {_}head != null{_}).



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