한국   대만   중국   일본 
??? ??? ??? - ?????????? ??????????????? ????? ?? ??????? ??????

??? ??? ???

?? ??????????????? ?????? ???????????
?????? ?????
?????????(??) ?????????? ????????? ??????
????? ????? ?? ??????? ?????? ???? ? ?? ??? ????????  ( ????-??-08 ) [?]
?????? ????? ?????? [?]   لەسەر ویکیدراوە دەستکاریی ئەمە بکە / ??? ?????? ???? ? ????: ????? ???????? ?????? ????? ??? ? ??? ??????? ????? ?????.  ( ??? ?????? ???? ) [?]
???????? ?? ????
??????? ????????? ????????? ??????
??? Logging
????????? ?????? ????? 2.0
????? logging .apache .org /log4j /2 .x /

??? ??? ??? ?????? ??? ?? ????????? ????????????? ?????? ?? ?? ?????? ???????? ??????? ???? ?????. ???? ?????? ?? ????????????????? ?????? ?? ?????????? ?????? ?????????? ???????? ??????. Log4j ?????? ?? ?????? ????????? ????????????? ????.

????? ??? ?????? ????? ?? ????????? ??? ??? ??? ??? ? ?????? ??????? [?] ?? ??????? ??????????? ?????? ?? ??? ???.

???? ?????? ????? ?? ?????? ???????? Log4j 1.2 ? ??? ? java.util.logging ? Logback ????? ?? ??? ??? ? ?? ?? ?? ??? ?????????????? ????????. [?] [?] ????? ???????? ??? ??? ? ????????????? ????????? ?????? ??? ?? ??? ??????? ?? ???? ????? ???? ?????. Log4j 2 ????? ?????????? 1.x ?????? ????? [?] ???????? ≪????????≫ ????????. ?? ?? ???? ????? ??????? ??????????? ?????? ????????????????? ?????? ????? ??? ?????? ?? ? ? ?????? ? ?????????? ?????? ???? ? ?? ????????????? ?????? ? ??????????? ??? ?? ??????????? ?? ?????? ??? ?? ? [?]

?? ?? ??????? ?????? ????? ??????????? ???? ?????? ?? ??????? ?? ?????????? ???? ???????? ????? ?? ??? ??? ? ??????? ???? ??????? ????? ???? ????? ???? ??????? ? ?????????????? "Log4Shell" ??. [?] ???? ????? ????? ??????? ????? ??? "???? ?????????? ????????? ????????? ?? ????? ?????????". [??]

?????? ??????? ? [ ???????? ]

?????? ??? ??? ? ??????? ??? ??? ? ?? ?? ????? ???????? ???? ??? ?????? ?? ??? ???? ???????. ?????????? ?? ??????? ?????????? ? ??????? ??????? ?? ???????????? ????????????? ???????? ?????? Log4j 1 ? java.util.logging. ????????? ??????????? ?? Log4j 1 ???????: [??] [??]

  • ?????????? ?????????. ??????? ?? ?????? ?? ???? ??????????? ???????? ??? ?? Log4j 1 ??? Logback
  • ???????: Log4j 2 ??????? ??????? ???????? ????? ?? ??????? ?? ???????????? ?????????? ? ?????????? ??????? ??????????????
  • ???????? ?????????? ?????????
  • ??????? ?? ?????????? XML? ?????? ???? ? ????????????????
  • ?????? ?????????????
  • ??????? ?????? ???????????????? ?? ???? ?????????????? ?? ????? ?????????? ????????????????? ??????? ?????????? ?????? ?????? ThreadContext? ? ????? ??????? ?? ?????????
  • ??????? ?? ???? APIs: Log4j 2 ????????? ????? ??????? ????? ?????????? ?? ??????????? Log4j 2, Log4j 1.2, SLF4J, ????????????? ?????? ? java.util.logging (JUL) APIs.
  • ????????? ?????? ??????????
  • ????? ? ?????? ??? ??? ??????? ????? ?? "????????????? ??????"
  • ?????????
  • ??????? ?? ???????????? ????? ??????????? ??????????
  • ≪???? ?? ??? ??? ???? ???≫ ?? ????????? ????????
  • ?????? ?????????
  • ??????? ?????????? ?? ??????

????? ?? ?????????? ????????????????? Log4j 2 ??????? ?? ?????? ≪????????? ??????≫. [??] Log4j 2 ???????? ?? ??????? LMAX. [??] ?????????? ??????? ???? ????? ??? ???????? ? ????? ???????????? ???? ????? ?? ?????? ??. ?? ??????? ?? ????? ??????? Log4j 2 ???????? ????? ?? ?????????? ???? ?? ????????? ???????? ????????? ???????????? ??? ??? ?????? ? Log4j 1 ????? < ????????? ???? ?? ????????? ?????.

???????????????? [ ???????? ]

????? ?????? Log4j [ ???????? ]

??? ??????? ??????? ????? ????????????? ?????? ? ??????? ?? Log4j ?????? ?????? ?? ???????? ???????? ???????. ?????? ??? ??? ??????? ????? ??? ?? Log4j ???? ????? ? ?????? ??? ???? ??????? ???? ?? ??? ????? ??????? ?????? ?????.

???? ????
?????????? ??????????? ???????? ???? ?????? ? ??????? ?? ??????????? ?????????.
??????? ????? ????? ?????? ?? ?????? ??? ?????? ???????? ????????. ??????? ???? ??? ?? ?????? ???????? ?????? ????? ??????? ??????.
???? ????? ???????? ??? ???? ?????? ??? ????????? ???????? ??????. ??????? ???? ??? ?? ?????? ???????? ?????? ????? ??????? ??????.
???????? ??????????????? ??????????? APIs? ????????? ??????????? ????? API? '??????' ???????? ???? ??? ???? ?????? ?? ?????????? ??? ???????? ???????? ????? ???? ???? ≪????≫ ???. ??????? ???? ??? ?? ?????? ???????? ?????? ????? ??????? ??????.
??????? INFO ???? ??????????????? ???? ?????? (?????????/??????????). ????????? ???? ??? ?? ?????? ???????? ?????? ????? ?????????? ?????? ???????? ?? ? ?? ??????? ??? ???????? ??.
???????????? ????????????? ??????? ??? ????? ?????? ??? ?????????. ????????? ???? ??? ?? ?????? ????? ?? ????????? ???????. ?? ???????? ????? ?????? ??? ??????? ????? ??????? ??????? ??????????? ???? ????? ???????? ??? DEBUG.
???????? ??????? ????????? ???????. ????????? ???? ??? ?? ?????? ????? ?? ????????? ???????. ?? ?????? ??????. [??]

????????? ?????? ?????????? [ ???????? ]

Log4j 2 ???? ?? ???????????? ????? ?? ??????????? ????? ????????????? ?????. [??] ??????? ??????? ???? ??????? ?????????? ?? ?????????? Loggers ?? ??????? ????? ?????? ?????? ????? ?? ????? ????? ?? ????? ????????????? ??????. ????? ????????????? ?????????? ??? ??????? ???????? ?? ??? ????? ????????? ????????????? ????????? ?????.

?????????? Log4j [ ???????? ]

Log4j ????????? ?? ????? ????? ????????? ??? ?? ????? ???? ?????? ????????. [??] ????????? ????????? ???????? ???????? ?? XML, JSON, YAML, ??? ????????????????? ??????? ????. ????? ???????????? ??????? ?? ???????? ?????? ?????? ?????: Loggers, Appenders, ? layouts. ???????? ???????????? ?? ????? ????????? ??? ?????? ???? ?? ????????? ????????? ???????? ??? ???????????? ???? ??????????? ??? ?????????? ?? Log4j ??????????. ????????????? ???????? ???? ?? ????? ?? ????? ?????? ??? ???? ???? ??????? ????? ?? ??????? ? ????? ????? ?????? ?? ?????? ?? ????????????? ????? ???????????? ???????????.

????????? [??] ???????? ?? ????? ????? ?????. ????? ???????? ?? ??????? ?? ???????? ????. ??? ?????? ?? ???????? ??????? ???????? ?? ? ?????? ?? ????? ??????? (FATAL, ERROR, ???) ?? ??????? ????? ?????. ?? ?????? ?????????????? Log4j? ?????? ????? ??????? ????? ? ??????? ????? ????? ?? ?????? ????? ??????? ????? ? ????. ??????? ???????? ???????? ????? ?????? ?? ?????? ???????????.

?????????? ???????????? ??????? ??????????????? ?????? ??????. [??] ????????? ??? ?? ?????????? ????????? ????? ???? ????????? ??? ???? ???????? ???????? ??????? ?????? ??????? SocketAppender, SyslogAppender? ? SMTPAppender. Log4j 2 ????????????? ???? ??? ?? ?? ?????? ???? ???????? ????? ????????? API? ?????? ?????? ????????????? NoSQL? ????????? ?????- ????????????? ????? ?????????????? Access [??] ? ???????????? ZeroMQ. ???????? ???????????????? ??????? ?????? ????? ?? ??? Logger??? ???? ?????? ????? ??????? ????? ????? ?? ???? ????????? ?? ?????? ?? ?????? ?? ????? ??????? ? ?? ???????? ????? ????? ???????????? ??.

????????????? ??????????? ????????? ?? ??????? ????????? ?????????. [??] ???????? ????????? ?? ??????? ????????? ?????? ???-??? ??-???-??? ?? ?????? ???????? ?? ?????????? ???????? ??????????? ??? ??? ???? ?????? C / C++. ??????? ??????????? HTMLLayout ? XMLLayout ???? ?? ?????????? ????? HTML ??? XML ?????????? ?????????? ?? ???? ???. Log4j 2 ???????? ??????? ?? CSV, Graylog ?????????? ??????? ????? (GELF), [??] JSON, YAML ? RFC-5424. [??]

?? Log4j 2? ?????????? [??] ?????????? ?????? ????? ????? ????????? ????????? ?? ?????? ???????? ????? ?? ????????? ??? ????? ??? ????????????? ????? ????? ??????? ????? ?? ??????? Loggers ? Appenders. ??? ?? ????????? ?? ????? ????? ? ???????? ???????? ?????? ????? ?????? ????? Log4j 2 ?????????? ???????? ?????????? ???? ????????? ??????? ????????????????? ??????? ?????? ?? ??? ????????? ??? ?????? ???? ????? ? ??????? ??????? JSR 223.

?? ?????? ???????????? ????:

?? ?????????????? Log4j 2 ??????? ?????? ?? TRACE ??????? ?? ?????? ??????? ????????????? ???? ????? ?? ??????? ????????. ?? ?????????? ????????????? ??????? ??? ????? ???????????? ??????????? ???????????? Java VM -Dorg.apache.logging.log4j.simplelog.StatusLogger.level=trace ?????????.

?? Log4j 1? ??????????? Java VM -Dlog4j.debug ?????????.

?? ?????? ????? ????? ?????????? log4j2.xml ?? ??????? getClass().getResource("/log4j2.xml") ????????.

??????? ?????????? ≪?? ????≫??? ≪?????????≫ ?? Log4j ????? ?? ??????????? ????? ?????? Log4j ?? ??? ???????????? Log4j? ????. ??? ???? ?? ??????????????? ???????????????? ?? ????????? ????????????? ? URL ?? ???????? Log4j ?? ???????? ????? ?????????????? ? ???????????? ???????????. ??????? ???????? ??? ??????????? ??????????? ?????? ??? ?????????? ????? ???? ??? ?????? ?????? ??? ????? ?? ????????? ??????.

?????? ?? Log4j 2 [ ???????? ]

TTCC ??????? ???? ???????? ??????? log4j. [??] ?? ?? ?? ?? ?????? ?? ???????? ???? ???? ?????. ??? ??????? ??????? ??????????:

??????? ????
%r ???????? ?? ???????? ?????? ???????????????? ?? ?? ?????????? ??????? ?? ?????????? ??????? ??????????????.
%t ??????????? ?? ???????? ???? ??? ??????? ?? ??????? ????????????? ????? ??????.
%p ???????? ?? ???????? ??????????? ??????? ????????????.
%c ???????? ?? ???????? ???? ??????? ????????????.
%x ???????? ?? ?????????? ??? ?? ?? (????????? ????????? ??????????) ??????? ?? ???????? ?? ??????? ????????????? ????? ??????.. [??]
%X{key} ???????? ?? ?????????? MDC (????????? ?????????? ?????????) ??????? ?? ???????? ?? ??????? ????????????? ?? ????? ????????? ????? ??????. [??]
%m ???????? ?? ???????? ????? ??????????? ???????????? ?? ???????? ???? ?? ??????? ???????????.
%n ???????? ?? ?????????? ????????? ?????? ?? ?????? ???? ??? ??? ???????.

??????? ??????

??? [??????] INFO org.apache.log4j.examples.Sort - ??????? ?? ?????? ??????.

?????????? [ ???????? ]

log4c - ???????? ?? ?? ??? ? ?? ????????? ????????????? ????? ?????? ????? ????? ??????? ???? ????? ?????? ??? ?? ?? ??? ???? ??????????. ?? ??????? ?????????? ???????? ?????? ????? ????? ? ???????? ????? ?????. ????? Windows ????? Makefile ?? ?????????? ????? MSVC ??????????. ??????? ??????????? ???????? ??????? ?????????? ????? ???????? ?? ?????????? ?????????? ?? ???????? ?? ??????????????? ?????????? ????????. ????????? ?? ????????? log4c ???????? ?? ?? ????? ???????????: ??????????? ?????????? ?????? ?? ???????? ??? ?? ????? ????? ?????????? XML. log4c ?????????? ????????? ????????? ? ????? ????????????? ?????? ????. (??? ??????????? ??? ????) ?????? ?????? ????? ?? ?? ???? ?????? ???? ?????????? ? ??????? ???? ?? ???????? ???????? ????? ????????. [??]

log4js - ???????? ?? ??????????. ?????? ???? ????? ?????? ?????????? ???????? ?????? ????????. ????? ?? ????????????? ??????????? Log4js ?????? ????????????? ??????????? ??????? ?? ??????? ????? ?????????. ??????????? Ajax ?????? ?? ?????? ???????? ????????? ?? ???? ???????? (XML, JSON, PLAIN ASCII, ???) ?? ????????? ?? ????? ???? ?????????????. ??? ????????????? ??????? ?? ?????? ?????? ?????? ??????: ?????? ???????? ?????? ??????? ???? ??????? ??? ??? ??????? ???????? ??????????? ? ?????? ??????? ??????. ??? ??????? ???????? ??????? ????? ?????: BasicLayout, HtmlLayout, JSONLayout, ? XMLLayout. ??????? ?????? ???? ???? ??? ??? ?? ??? ?????? ?????? ????.

log4javascript - ????????? ?? ?? JavaScript. log4javascript ????????? ????????????? ??????????? ????? ?????? ?????? ???. ??????? ?????? ???? ???? ?????? ??? ?? ?? ??? ?????? ?????? [??] ???????????.

JSNLog - ???????? ?? ??????????. ?? ???????? ?????????? ??????? ?? loggers ? JavaScript ?? ???????? ??? ?????????? ?? ??????????? ???? ?????? ???????? .NET ?? ??????????? ????? Log4Net, NLog, Elmah ??? Common.Logging ??? ??? ?????. ???? ?? ?????????? ?????? ??????? ?? ??????????? ?????? ????? ? ??????. ????????? ?????????? ???????? ?? ??????????? ??????????? ?? ????????????? ???????????? ????. ????????? ????? ????? ?????? ??????? ???. ????????????. ??????? ?? ????????????? ??????? ????? ?? ?????? ?? ????????? ????? ???. ?? ???? ???? ??????? ????? ????? ??? ? ????????????? ?? ???????? ??? ? ??? ?????? ?????. [??]

Apache Log4net - ???????? ?? Microsoft .NET Framework. ??? ???? ?????????? ??????? ??????? ?????? ??? ? ?? ????? ?????? ???? ?????? ?? ?????????? ???????? ??????. ?????????? ???????? ?????? ??? ?????? ????????? ???? ?? ????????????? ?????? ????????? ?? ???? ??????? .NET. ????????? ????????? ?????????? (NDC) ? ????????? ?????????????? ????????? (MDC) ????? ?????. ??????? ?????? ???? ???? ?????? ???. [??]

???????? - ??????? ???? ?? ?????. ?????? ????? ?????? ???? ????? ??? ??? ???? ????. [??]

Apache log4php - ≪????????? ????????????? ?????? ?? ?? ??? ??. ?? ????????? ??????? ?????? ????? ?? ?? ??? ??? ????? ?????? ?? ????? ????????????? ??????????? ?? ??? ?? ???? ?????.≫ [??]

PL-SQL-logging-Utility ??????????? ?? log4j ?? PL/SQL. [??]

Log4db2 ????????? ?????????????? ?? DB2 ?? LUW ?? ??????? SQL ?? ???? SQL PL ??????????. [??]

Apache Log4cxx - ????????? ????? ??????? ?? ??++ ?????????? ???? ?????? ?????? ?? ?????? ?????? ?????? ?? ?????? ???? ?????? ?? ???????? ?????????? ? ????? ?? ??? ?????????? ?? ??????? ??? ?? ??? ???????? ??????? ????????????. ?? ??????? ????? ??????????? ??????? ?????? ???????? ?? ???? ?????? ???? ??????????. [??]

Log4r - ???????????? ????????????? ?????? ? ???? ?? ???? ??????? ?? ??????????? ?? ??????????? ????. ??????? ?? ????????? ? ?????? ????????????????? ?????? ?????? ??? ?? ????? ?????. [??]

??? ? ???? ?????? [ ???????? ]

?????????? ?? ?????? ?? ??? ?????? ?????? ???? ?? ??? ?????? ?????? ???? ?? ??? ?????? ?????? ???? ?? ???????? ???? ???????. [?] ????????????? ??????????? ?????? ??: Cloudflare, iCloud, Microsoft: ???? ????? ????? ??????? ??? ???? ? ??????. ?????????? ???????? ?????? ??????? ???? ?????? ?? ?? ??? ???? ????? ??? ?? ?? ?? Log4Shell? ????? ???????? ?????? ???????? ?? ???????? ?????? ????? ?? ?? ???????????????. ????????????? ??????? ????????? ??????? ?????? ????? ??? ≪???? ?????????? ????????? ????????? ????? ???????≫ ? ?????? ??? ??????? ?? ≪??????? ??????? ????? ??????????≫ ????? ???.

?? ???????? ????????????? ????????? ??????? ???????? ?????? ? ??????? ?????? (CISA)? ??? ????????? ?? ??????????? ≪???????≫ ??????? ??? ? ????????? ???????????? ??? ?? ??????????? ?????????????? ???????????? ? ?????? ??????? ??????? ?? ???????? ??????? ??????? ?????? ?? ??????? ?????? (CCCS) ????? ?? ??????????? ??? ?? ???? ???? ??? ????.

??????????????? ?????? ??? ????? ?? ???????????? ?? ???????? ????? ?????????? ?????????? ?? ???????? ?? ?????? 2.15.0-rc1 (?? ????? ?? ?? ??????? ?????? ????? ?? ??? ??? ???? ???????? ?????????????) ? ?? ???????? ????????????? ????????????? ?????? ???????? ??????. ?? ??????? ?????? ????? ???????????????? ?? ??????????? JNDI? ?? ??? ???????? ?????? ??????????? ?? ???????? ????????? ??????? ??????? ? ??????? ?? ?????????? ???? ???????? ?? ?????? ?????? ?? ?????.

?????????? [ ???????? ]

  1. ^ "Apache Log4j 1.2 Release History" . apache.org . Apache Software Foundation . Retrieved 2014-09-02 .
  2. ^ "Release 2.23.1" . 10? ?????? 2024 . Retrieved 22? March? 2024 . {{ cite web }} : Check date values in: |access-date= ? |date= ( help )
  3. ^ "Log4j ? Changes - Apache Log4j 2" . apache.org . Apache Software Foundation . Retrieved 2021-12-18 . ??? ?????? ???? ?? ?????? ????? ? ?????? ????? .
  4. ^ "Logback Home" . Logback.qos.ch . Retrieved 2014-07-24 .
  5. ^ "Log4j 2 Guide - Apache Log4j 2" . Logging.apache.org. 2014-07-12 . Retrieved 2014-07-24 .
  6. ^ Goers, Ralph (15 December 2019). "Why was Log4j 2 created?" . Ralph Goers .
  7. ^ "Log4j 2 Guide - Apache Log4j 2: News" . Logging.apache.org. 2014-07-12 . Retrieved 2014-07-24 .
  8. ^ "Apache Logging Services Project Announces Log4j 1 End-Of-Life; Recommends Upgrade to Log4j 2" . blogs.apache.org. 2015-08-05 . Retrieved 2016-07-03 .
  9. ^ ? ? "What's the Deal with the Log4Shell Security Nightmare?" . Lawfare . December 10, 2021. ??? ?????? ???? ?? ?????? ????? ? ?????? ????? .
  10. ^ "Recently uncovered software flaw 'most critical vulnerability of the last decade' " . the Guardian . Associated Press. December 11, 2021.
  11. ^ "The new log4j 2.0" . Grobmeier.de. 2012-12-05 . Retrieved 2014-07-24 .
  12. ^ "Log4j ? Overview - Apache Log4j 2" . logging.apache.org. 2016-06-05 . Retrieved 2016-07-03 .
  13. ^ "Log4j 2 Asynchronous Loggers for Low-Latency Logging - Apache Log4j 2" . Logging.apache.org. 2014-07-12 . Retrieved 2014-07-24 .
  14. ^ "Disruptor by LMAX-Exchange" . Lmax-exchange.github.io . Retrieved 2014-07-24 .
  15. ^ "Level (Apache Log4j 1.2.17 API)" . Logging.apache.org. 2012-06-09 . Retrieved 2014-07-24 .
  16. ^ "Custom Log Levels" . Logging.apache.org. 2014-07-12 . Retrieved 2016-07-16 .
  17. ^ "Configuration" . Logging.apache.org. 2016-07-05 . Retrieved 2016-07-16 .
  18. ^ "Architecture" . Logging.apache.org. 2016-07-05 . Retrieved 2016-07-16 .
  19. ^ "Appenders" . Logging.apache.org. 2016-07-05 . Retrieved 2016-07-16 .
  20. ^ "RandomAccessFile" . docs.oracle.com. 2011-07-28 . Retrieved 2016-07-16 .
  21. ^ "Layouts" . Logging.apache.org. 2016-07-05 . Retrieved 2016-07-16 .
  22. ^ "GELF" . docs.graylog.org. 2016-06-08 . Retrieved 2016-07-16 . ?? ?????? ???? ?? ?????? ????? ? ?????? ????? .
  23. ^ "RFC 5424 - The Syslog Protocol" . tools.ietf.org. 2009-03-01 . Retrieved 2016-07-16 .
  24. ^ "Filters" . Logging.apache.org. 2016-07-05 . Retrieved 2016-07-16 .
  25. ^ "TTCCLayout (Apache Log4j 1.2.17 API)" . Logging.apache.org. 2012-06-09 . Retrieved 2014-07-24 .
  26. ^ "Class NDC" . Archived from the original on 2007-08-20 . Retrieved 2021-12-11 .
  27. ^ "MDC (Apache Log4j 1.2.17 API)" . Logging.apache.org. 2012-06-09 . Retrieved 2014-07-24 .
  28. ^ "Logging Framework for C | Free System Administration software downloads at" . Sourceforge.net . Retrieved 2014-07-24 .
  29. ^ "a JavaScript logging framework" . log4javascript . Retrieved 2021-12-11 .
  30. ^ "Logging JavaScript errors to your server side log" . JSNLog . Retrieved 2021-12-11 .
  31. ^ "Apache log4net" . Logging.apache.org . Retrieved 2021-12-11 .
  32. ^ Schilli, Mike; Goess, Kevin. "log4perl - log4j for Perl" . log4perl . Retrieved 2021-12-11 .
  33. ^ "Apache Logging Services" . Apache.org . Retrieved 2015-03-11 .
  34. ^ "tmuth/Logger-A-PL-SQL-Logging-Utility ? GitHub" . Github.com . Retrieved 2014-07-24 .
  35. ^ "Log4db2 by angoca" . Angoca.github.io . Retrieved 2014-07-24 .
  36. ^ "log4cxx - Changelog" . logging.apache.org .
  37. ^ "Log4r Manual" . log4r.rubyforge.org. Archived from the original on 2012-12-25 . Retrieved 2017-04-13 . ??? ??????? ?????? ???? ?? Archive.is ? ?????? ?????

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??????? ??????????? [ ???????? ]

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