[jira] [Reopened] (LOG4J2-696) RegexFilter does not match multiline log messages

["Ralph Goers (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4J2-696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ralph Goers reopened LOG4J2-696:
--------------------------------

It doesn’t look like the RegexFilter is ever used in any test configurations.  From the factory method I would have expected to see a PatternFlagsPlugin to convert a container element into a String. Without a plugin I’m not sure how this will work.

> RegexFilter does not match multiline log messages
> -------------------------------------------------
>
>                 Key: LOG4J2-696
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-696
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Filters
>    Affects Versions: 2.0-rc2
>            Reporter: phil wray
>         Attachments: RegexFilterTest.java
>
>
> RegexFilter is constructed with a pattern, but pattern does not support multiline matches, so impossible for the filter to ever match a multiline msg.
> Should maybe provide a multline="x attribute whichi should default to true and result in the patter being compiled as such:
> Pattern pattern = Pattern.compile(".*line.*", Pattern.DOTALL);
> See attached UnitTest illustrating failure



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