[jira] [Created] (KARAF-6355) improve usage for "log collector" + "mail alerter" usecases

["Markus Rathgeb (JIRA)" <ji...@apache.org>]

Markus Rathgeb created KARAF-6355:
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             Summary: improve usage for "log collector" + "mail alerter" usecases
                 Key: KARAF-6355
                 URL: https://issues.apache.org/jira/browse/KARAF-6355
             Project: Karaf
          Issue Type: Bug
          Components: decanter
    Affects Versions: decanter-2.2.0
            Reporter: Markus Rathgeb


If you would like to be informed per mail about special log events (e.g. log level warn) the current implementation does not work as (perhaps) expected.

Assume you would like to be informed about every log message of level WARN.

The current implementation will notify you about the first log message of level WARN and the next alert that is triggered is for a log message not using the WARN level.

I would like to be informed about every WARN log message and not about any other (so not loosing multiple WARN messages that are followed immediately and not informed about a log message that is not WARN).

Another improvement would about the combination of multiple patterns.

E.g. keep me informed about

type = log

priority = WARN | ERROR

not ( loc.class = Foo.class & loc.method = magic)

 

Perhaps we could reuse [https://osgi.org/javadoc/r2/org/osgi/framework/Filter.html]

log.warn.filter = "(&((|(priority=WARN)(priority=ERROR))(loc.class=Foo.class)(loc.method=magic)))"

(do not assume the filter above is correct)

 

Perhaps we could already reuse the current implementation and its match method.

Just need to think about substring matching...



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