Matches when the calculated layout contains the specified substring. This filter is deprecated in favour of <when /> which is based on conditions.

Platforms Supported: All

<rules>
  <logger ... >
    <filters>
      <whenContains layout="Layout" substring="String" action="Enum" ignoreCase="Boolean"/>
    </filters>
  </logger>
</rules>

• layout - Layout to be used to filter log messages. Layout Required.
• substring - Substring to be matched. Required.
• action - Action to be taken when filter matches. Required.
  Possible values:
  • Ignore - The message should not be logged.
  • IgnoreFinal - The message should not be logged and processing should be finished.
  • Log - The message should be logged.
  • LogFinal - The message should be logged and processing should be finished.
  • Neutral - The filter doesn't want to decide whether to log or discard the message.
• ignoreCase - Indicates whether to ignore case when comparing strings. Boolean Default: False