{"id":76267,"date":"2024-03-20T16:53:02","date_gmt":"2024-03-20T07:53:02","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/apache-log4j2%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7%e3%81%ae%e8%aa%bf%e6%9f%bb%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-11T15:57:03","modified_gmt":"2025-08-11T06:57:03","slug":"apache-log4j2%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7%e3%81%ae%e8%aa%bf%e6%9f%bb%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/apache-log4j2%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7%e3%81%ae%e8%aa%bf%e6%9f%bb%e6%96%b9%e6%b3%95\/","title":{"rendered":"apache log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5"},"content":{"rendered":"

Apache Log4j 2\u306e\u8106\u5f31\u6027\u3092\u8abf\u67fb\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n

    \n
  1. Log4j 2 \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b Log4j 2 \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2 (pom.xml \u3084 build.gradle \u306a\u3069) \u3092\u78ba\u8a8d\u3059\u308b\u304b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30fc\u30c9\u3067 Log4j 2 \u306e\u95a2\u9023\u30af\u30e9\u30b9\u304c\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n
  2. Apache\u306eLog4j\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u516c\u5f0f\u767a\u8868\u306b\u3088\u308b\u3068\u3001\u8106\u5f31\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306f2.0-beta9\u304b\u30892.14.1\u307e\u3067\u306e\u3059\u3079\u3066\u3067\u3059\u3002\u304a\u4f7f\u3044\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3053\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u3044\u305a\u308c\u304b\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
  3. Log4j 2 \u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\uff1a\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u5834\u5408\u306f\u3001Log4j 2 \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b 2.16.0 \u306b\u81f3\u6025\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u306f Apache Log4j \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\u3002<\/li>\n
  4. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u78ba\u8a8d\u3059\u308b\uff1aLog4j 2\u3092\u76f4\u63a5\u5229\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4ee5\u5916\u306b\u3082\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2\uff08\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306a\u3069\uff09\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308bLog4j 2\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4f9d\u5b58\u95a2\u4fc2\u304c\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u3092\u30bf\u30a4\u30e0\u30ea\u30fc\u306b\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
  5. Log4j 2 \u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3059\u308b\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e Log4j 2 \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3001\u7279\u306b log4j2.xml \u307e\u305f\u306f log4j2.properties \u30d5\u30a1\u30a4\u30eb\u3067\u3001\u60aa\u610f\u306e\u3042\u308b JNDI \u53c2\u7167\u3084\u305d\u306e\u4ed6\u306e\u5371\u967a\u306a\u8a2d\u5b9a\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002Log4j 2 \u3092\u5b89\u5168\u306b\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001Apache Log4j \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3067\u304d\u307e\u3059\u3002<\/li>\n
  6. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b0\u306e\u76e3\u8996\uff1a\u53ef\u80fd\u306e\u3042\u308b\u653b\u6483\u884c\u70ba\u3092\u30bf\u30a4\u30e0\u30ea\u30fc\u306b\u767a\u898b\u3059\u308b\u305f\u3081\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ed\u30b0\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u7279\u306b\u3001Log4j 2\u306b\u95a2\u9023\u3059\u308b\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3057\u307e\u3059\u3002\u30ed\u30b0\u306e\u76e3\u8996\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3084\u30ab\u30b9\u30bf\u30e0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u73fe\u3057\u3001\u7570\u5e38\u307e\u305f\u306f\u7570\u5e38\u306a\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u3092\u30bf\u30a4\u30e0\u30ea\u30fc\u306b\u691c\u51fa\u3057\u3066\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n
  7. Apache Log4j\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u52e7\u544a\u3068\u30a2\u30c9\u30d0\u30a4\u30b9\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3061\u3001\u6700\u65b0\u306e\u8106\u5f31\u6027\u306e\u4fee\u6b63\u3068\u5b89\u5168\u306b\u95a2\u3059\u308b\u30a2\u30c9\u30d0\u30a4\u30b9\u3092\u5165\u624b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u305d\u306e\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7d44\u7e54\u307e\u305f\u306f\u30d9\u30f3\u30c0\u304c\u516c\u958b\u3059\u308b\u95a2\u9023\u60c5\u5831\u3082\u53c2\u7167\u3057\u3001Log4j 2\u306e\u8106\u5f31\u6027\u306e\u8a55\u4fa1\u3068\u4fdd\u8b77\u306b\u95a2\u3059\u308b\u3055\u3089\u306a\u308b\u30a2\u30c9\u30d0\u30a4\u30b9\u3092\u5165\u624b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n

    \u306a\u304a\u3001\u4e0a\u8a18\u306f\u4e00\u822c\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d2\u30f3\u30c8\u3067\u3042\u308a\u3001\u5177\u4f53\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u624b\u9806\u3084\u65b9\u6cd5\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u6cc1\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002Log4j 2 \u306e\u8106\u5f31\u6027\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u65b9\u6cd5\u304c\u4e0d\u660e\u306a\u5834\u5408\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u307e\u305f\u306f\u30d9\u30f3\u30c0\u30fc\u306b\u76f8\u8ac7\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    Apache Log4j 2\u306e\u8106\u5f31\u6027\u3092\u8abf\u67fb\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002 Log4j 2 \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b Log4j 2 \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-76267","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\napache log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"apache log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/apache-log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"apache log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"apache log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/apache-log4j2\u306e\u8106\u5f31\u6027\u306e\u8abf\u67fb\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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