{"id":92605,"date":"2024-03-21T15:29:14","date_gmt":"2024-03-21T06:29:14","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/log4j%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%82%b3%e3%83%b3%e3%82%bd%e3%83%bc%e3%83%ab%e3%81%ab%e3%83%ad%e3%82%b0%e3%82%92%e5%87%ba%e5%8a%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-26T23:03:32","modified_gmt":"2024-03-26T14:03:32","slug":"log4j%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%82%b3%e3%83%b3%e3%82%bd%e3%83%bc%e3%83%ab%e3%81%ab%e3%83%ad%e3%82%b0%e3%82%92%e5%87%ba%e5%8a%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/log4j%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%82%b3%e3%83%b3%e3%82%bd%e3%83%bc%e3%83%ab%e3%81%ab%e3%83%ad%e3%82%b0%e3%82%92%e5%87%ba%e5%8a%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"log4j\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u30ed\u30b0\u51fa\u529b\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u306b\u306f\u3001log4j\u306eConsoleAppender\u3092\u4f7f\u3046\u3002<\/p>\n<p>\u307e\u305a\u3001Log4j \u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067 ConsoleAppender \u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>log4j.rootLogger=INFO, console\r\n\r\n# \u5b9a\u4e49\u63a7\u5236\u53f0\u8f93\u51fa\r\nlog4j.appender.console=org.apache.log4j.ConsoleAppender\r\nlog4j.appender.console.Target=System.out\r\nlog4j.appender.console.layout=org.apache.log4j.PatternLayout\r\nlog4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n\r\n<\/code><\/pre>\n<p>\u305d\u3057\u3066\u3001\u30b3\u30fc\u30c9\u3067\u306flog4j\u306eLogger\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u3068\u3001\u30ed\u30b0\u306f\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> org.apache.log4j.Logger;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyClass<\/span> {\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">final<\/span> <span class=\"hljs-type\">Logger<\/span> <span class=\"hljs-variable\">logger<\/span> <span class=\"hljs-operator\">=<\/span> Logger.getLogger(MyClass.class);\r\n    \r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        logger.debug(<span class=\"hljs-string\">\"Debug message\"<\/span>);\r\n        logger.info(<span class=\"hljs-string\">\"Info message\"<\/span>);\r\n        logger.warn(<span class=\"hljs-string\">\"Warning message\"<\/span>);\r\n        logger.error(<span class=\"hljs-string\">\"Error message\"<\/span>);\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30ed\u30b0\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ed\u30b0\u51fa\u529b\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u306b\u306f\u3001log4j\u306eConsoleAppender\u3092\u4f7f\u3046\u3002 \u307e\u305a\u3001Log4j \u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067 ConsoleAppender \u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 log4j.rootLogger=I [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-92605","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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