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Groups > comp.lang.java.programmer > #35304

Re: Not closing connections and statements

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On 8/13/2016 2:47 AM, Marcel Mueller wrote:
> But as already mentioned, log4j might be a good advice.
> But from my experience any logging to a database is at most the
> second-best solution. In critical situations it might not be reliable
> enough and you loose exactly the log records that you really need. Of
> course, it depends on your use case. Logging only once an hour might not
> fall into this category.

Very relevant point.

But one of the possibilities with a highly configurable logging
framework is that it is possible to log all the usual crap to
a DB and log major problems with the logging to a flat file.

> The library also handles switching the logs from time to time to limit
> their size as well as the cleanup of old logs. So no disk will get full
> after years, because no one cleaned up the logs. In contrast to log4j
> files will never get renamed because this could confuse concurrently
> reading applications or even cause locks (depending on the OS and file
> system). Instead we use (partial) time-stamps in the log name, e.g. the
> date in yyyymmdd format.

I believe that is what log4j RollingFileAppender does as well.

Arne

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Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-12 13:59 +0200
  Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 09:15 -0400
    Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 09:39 -0400
    Re: Not closing connections and statements Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-12 22:31 +0200
      Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 22:04 -0400
        Re: Not closing connections and statements Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-13 07:55 +0200
  Re: Not closing connections and statements Martin Gregorie <martin@address-in-sig.invalid> - 2016-08-12 19:01 +0000
    Re: Not closing connections and statements Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-12 22:35 +0200
      Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 21:52 -0400
    Re: Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-12 23:55 +0200
      Re: Not closing connections and statements Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-08-12 18:16 -0400
        Re: Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 01:19 +0200
          Re: Not closing connections and statements Martin Gregorie <martin@address-in-sig.invalid> - 2016-08-13 00:21 +0000
            Re: Not closing connections and statements Gunter Herrmann <gunter.herrmann@earthlink.net> - 2016-08-17 16:38 -0400
      Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 21:58 -0400
        Re: Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 12:50 +0200
      Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 21:59 -0400
      Re: Not closing connections and statements Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-13 08:47 +0200
        Re: Not closing connections and statements Andreas Leitgeb <avl@logic.at> - 2016-08-13 08:05 +0000
          Re: Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 12:21 +0200
          Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-13 09:54 -0400
        Re: Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 12:19 +0200
        Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-13 10:04 -0400
          log4j RollingFileAppender (was: Not closing connections and statements) Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-14 22:24 +0200
            Re: log4j RollingFileAppender Arne Vajhøj <arne@vajhoej.dk> - 2016-08-14 21:01 -0400
        Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-13 11:58 -0400
          logging (was: Not closing connections and statements) Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-14 23:46 +0200
    Re: Not closing connections and statements Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 21:44 -0400
  Re: Not closing connections and statements Florian Weimer <fw@deneb.enyo.de> - 2016-08-13 16:33 +0200
    Re: Not closing connections and statements Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 17:34 +0200

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