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2\u300d\uff08Log4j\u306ever.2\uff09\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3001\u5404\u7a2e\u6a5f\u80fd\u5411\u4e0a\u3084\u6027\u80fd\u5411\u4e0a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h2smalltitle\">\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<p>\u3010\u30ed\u30b0\u51fa\u529b\u8a2d\u5b9a\u6a5f\u80fd\u3011<br \/>\u30fb\u30ed\u30b0\u51fa\u529b\u65b9\u6cd5\u6307\u5b9a\u6a5f\u80fd\uff08Loggers)<br \/>\u30fb\u30ed\u30b0\u51fa\u529b\u5148\u6307\u5b9a\u6a5f\u80fd\uff08Appenders\uff09<br \/>\u30fb\u30ed\u30b0\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6307\u5b9a\u6a5f\u80fd\uff08Layouts\uff09<\/p>\n<p>\u3010\u30ed\u30b0\u30ec\u30d9\u30eb\u8a2d\u5b9a\u6a5f\u80fd\u3011<br \/>\u4ee5\u4e0b\u306e6\u3064\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4e0a\u304b\u3089\u30ed\u30b0\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u9806\u3067\u3059\u3002<br \/>\u30fbFATAL(\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7570\u5e38\u7d42\u4e86\u3092\u4f34\u3046\u3088\u3046\u306a\u3082\u306e\u3002)<br \/>\u30fbERROR(\u6a19\u6e96\u7684\u306a\u30a8\u30e9\u30fc\u3002\u30e9\u30f3\u30bf\u30a4\u30e0\u30a8\u30e9\u30fc\u306a\u3069\u3002)<br \/>\u30fbWARN(\u8b66\u544a\u3002API\u306e\u4e0d\u9069\u5207\u306a\u4f7f\u7528\u3001\u30a8\u30e9\u30fc\u306b\u8fd1\u3044\u4e8b\u8c61\u306a\u3069\u3002)<br \/>\u30fbINFO(\u60c5\u5831\u3002\u5b9f\u884c\u6642\u306e\u3001\u958b\u59cb\u3084\u7d42\u4e86\u306a\u3069\u306e\u6ce8\u76ee\u3059\u3079\u304d\u4e8b\u8c61\u3002)<br \/>\u30fbDEBUG(\u30c7\u30d0\u30c3\u30b0\u7528\u60c5\u5831\u3002\u30b7\u30b9\u30c6\u30e0\u52d5\u4f5c\u72b6\u6cc1\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306a\u60c5\u5831\u3002)<br \/>\u30fbTRACE(\u30c8\u30ec\u30fc\u30b9\u60c5\u5831\u3002\u66f4\u306b\u8a73\u7d30\u306a\u60c5\u5831\u3002)<\/p>\n<h3 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\/>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u5185\u306b\u3001\u30ed\u30b0\u51fa\u529b\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u3066\u304a\u304d\u3001log4j\u306e\u8a2d\u5b9a\u3092\u5909\u3048\u308b\u3060\u3051\u3067\u3001\u30ed\u30b0\u51fa\u529bON\/OFF\u306e\u5207\u308a\u66ff\u3048\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u8a2d\u5b9a\u306e\u5909\u66f4\u3067\u3001\u30ed\u30b0\u51fa\u529b\u5148\u3084\u30ed\u30b0\u306e\u7a2e\u985e\u3082\u5909\u66f4\u3067\u304d\u308b\u305f\u3081\u3001\u7d30\u304b\u3044\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3010\u30b3\u30b9\u30c8\u52b9\u679c\u3011<br \/>\u30e9\u30a4\u30bb\u30f3\u30b9\u8cbb\u7528\u304c\u304b\u304b\u3089\u306a\u3044\u305f\u3081\u3001\u5546\u7528\u88fd\u54c1\u306b\u6bd4\u3079\u5c0e\u5165\u30b3\u30b9\u30c8\u3092\u7bc0\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"h2smalltitle\">\u5c0e\u5165\u4e8b\u4f8b<\/h2>\n<p>\u300cApache log4j\u300d\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJava \u30d7\u30ed\u30b0\u30e9\u30e0\u7528\u30ed\u30ae\u30f3\u30b0\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3068\u3057\u3066\u3001\u4e2d\u5c0f\u898f\u6a21\u304b\u3089\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u898f\u6a21\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u696d\u7a2e\u30fb\u30b7\u30b9\u30c6\u30e0\u3067\u5e45\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h2smalltitle\">\u30e9\u30a4\u30bb\u30f3\u30b9\u60c5\u5831<\/h2>\n<p>\u300cApache log4j\u300d\u306f\u3001\u300cApache 2.0 \u30e9\u30a4\u30bb\u30f3\u30b9\u300d\u3067\u3059\u3002Apache\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8ca1\u56e3 \u306b\u3088\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5411\u3051\u30e9\u30a4\u30bb\u30f3\u30b9\u898f\u5b9a\u3067\u3042\u308b\u300cApache 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log4j\uff08\u30a2\u30d1\u30c3\u30c1\u30ed\u30b0\u30d5\u30a9\u30fc\u30b8\u30a7\u30a4\uff09\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJava \u30d7\u30ed\u30b0\u30e9\u30e0\u7528\u30ed\u30ae\u30f3\u30b0\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\uff08API\uff09\u3002<\/p>\n","protected":false},"author":4,"featured_media":3972,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[243],"tags":[423],"class_list":["post-4739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oss","tag-apache-log4j"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Apache log4j\uff08\u30a2\u30d1\u30c3\u30c1\u30ed\u30b0\u30d5\u30a9\u30fc\u30b8\u30a7\u30a4\uff09\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJava 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