{"id":361,"date":"2023-09-15T02:52:43","date_gmt":"2023-11-18T22:25:55","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/log4j-properties-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e4%be%8b\/"},"modified":"2025-07-31T22:58:40","modified_gmt":"2025-07-31T13:58:40","slug":"log4j-properties-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/log4j-properties-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e4%be%8b\/","title":{"rendered":"log4j.properties \u30d5\u30a1\u30a4\u30eb\u306e\u4f8b"},"content":{"rendered":"<p>log4j\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001log4j\u306eXML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3092\u898b\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001log4j.xml\u306f\u5197\u9577\u306a\u305f\u3081\u3001log4j\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u306e\u8aad\u307f\u8fbc\u307f\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u5b9a\u7fa9\u6e08\u307f\u306e\u30b9\u30ad\u30fc\u30de\u304c\u306a\u3044\u305f\u3081\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u4eca\u65e5\u306f\u3001XML\u8a2d\u5b9a\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30eb\u30fc\u30c8\u30ed\u30ac\u30fc<\/h3>\n<p>\u30de\u30c3\u30c1\u3059\u308b\u30ed\u30ac\u30fc\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u3001\u30eb\u30fc\u30c8\u30fb\u30ed\u30ac\u30fc\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u6b21\u306e\u3088\u3046\u306bXML\u3067\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;root&gt;\r\n\t&lt;priority value=\"DEBUG\" \/&gt;\r\n\t&lt;appender-ref ref=\"file\" \/&gt;\r\n\t&lt;appender-ref ref=\"console\" \/&gt;\r\n&lt;\/root&gt;\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>log4j.rootLogger=DEBUG, file, console\r\n<\/code><\/pre>\n<p>\u30b3\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u305f\u30ea\u30b9\u30c8\u5185\u306e\u6700\u521d\u306e\u5024\u306f\u3001\u30eb\u30fc\u30c8\u30ed\u30ae\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u5024\u3067\u3059\u3002\u4ed6\u306e\u3059\u3079\u3066\u306e\u5024\u306f\u30a2\u30da\u30f3\u30c0\u30fc\u3067\u3059\u3002<\/p>\n<h3>\u30ed\u30b04j\u306e\u30a2\u30da\u30f3\u30c0<\/h3>\n<p>log4j\u3067\u306f\u3001\u8907\u6570\u306e\u30a2\u30da\u30f3\u30c0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u306f\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u7528\u306e1\u3064\u306e\u30a2\u30da\u30f3\u30c0\u30fc\u3068\u30d5\u30a1\u30a4\u30eb\u7528\u306e\u5225\u306e\u30a2\u30da\u30f3\u30c0\u30fc\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;!-- console appender --&gt;\r\n&lt;appender name=\"console\" class=\"org.apache.log4j.ConsoleAppender\"&gt;\r\n\t&lt;param name=\"Target\" value=\"System.out\" \/&gt;\r\n\t&lt;layout class=\"org.apache.log4j.PatternLayout\"&gt;\r\n\t\t&lt;param name=\"ConversionPattern\" value=\"%-5p %c{1} - %m%n\" \/&gt;\r\n\t&lt;\/layout&gt;\r\n&lt;\/appender&gt;\r\n\r\n&lt;!-- rolling file appender --&gt;\r\n&lt;appender name=\"file\" class=\"org.apache.log4j.RollingFileAppender\"&gt;\r\n\t&lt;param name=\"File\" value=\"logs\/main.log\" \/&gt;\r\n\t&lt;param name=\"Append\" value=\"true\" \/&gt;\r\n\t&lt;param name=\"ImmediateFlush\" value=\"true\" \/&gt;\r\n\t&lt;param name=\"MaxFileSize\" value=\"10MB\" \/&gt;\r\n\t&lt;param name=\"MaxBackupIndex\" value=\"5\" \/&gt;\r\n\r\n\t&lt;layout class=\"org.apache.log4j.PatternLayout\"&gt;\r\n\t\t&lt;param name=\"ConversionPattern\" value=\"%d %d{Z} [%t] %-5p (%F:%L) - %m%n\" \/&gt;\r\n\t&lt;\/layout&gt;\r\n&lt;\/appender&gt;\r\n<\/code><\/pre>\n<p>log4j.properties\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>#Define console appender\r\nlog4j.appender.console=org.apache.log4j.ConsoleAppender\r\nlogrj.appender.console.Target=System.out\r\nlog4j.appender.console.layout=org.apache.log4j.PatternLayout\r\nlog4j.appender.console.layout.ConversionPattern=%-5p %c{1} - %m%n\r\n\r\n#Define rolling file appender\r\nlog4j.appender.file=org.apache.log4j.RollingFileAppender\r\nlog4j.appender.file.File=logs\/main.log\r\nlog4j.appender.file.Append=true\r\nlog4j.appender.file.ImmediateFlush=true\r\nlog4j.appender.file.MaxFileSize=10MB\r\nlog4j.appender.file.MaxBackupIndex=5\r\nlog4j.appender.file.layout=org.apache.log4j.PatternLayout\r\nlog4j.appender.file.layout.ConversionPattern=%d %d{Z} [%t] %-5p (%F:%L) - %m%n\r\n<\/code><\/pre>\n<p>log4j\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30da\u30f3\u30c0\u30fc\u306e\u5f62\u5f0f\u306f\u3001log4j.appender.{appender_name}.{appender_config}\u3067\u3059\u3002MaxFileSize\u3084MaxBackupIndex\u306a\u3069\u306e\u30a2\u30da\u30f3\u30c0\u30fc\u306e\u8a2d\u5b9a\u306f\u3001XML\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n<h3>\u30ed\u30b04j\u306e\u30ed\u30ac\u30fc<\/h3>\n<p>\u30a2\u30da\u30f3\u30c0\u30fc\u3068\u540c\u69d8\u306b\u3001\u8907\u6570\u306e\u30ed\u30ac\u30fc\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002XML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u306e\u4f8b\u3068\u3057\u3066\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;logger name=\"com.scdev.log4j\" additivity=\"false\"&gt;\r\n\t&lt;level value=\"WARN\" \/&gt;\r\n\t&lt;appender-ref ref=\"file\" \/&gt;\r\n\t&lt;appender-ref ref=\"console\" \/&gt;\r\n&lt;\/logger&gt;\r\n\r\n&lt;logger name=\"com.scdev.log4j.logic\" additivity=\"false\"&gt;\r\n\t&lt;level value=\"DEBUG\" \/&gt;\r\n\t&lt;appender-ref ref=\"file\" \/&gt;\r\n&lt;\/logger&gt;\r\n<\/code><\/pre>\n<p>\u3053\u308c\u3089\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u3067log4j.logger.{logger_name}\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002\u5024\u306b\u306f\u3001\u30ed\u30b0\u30ec\u30d9\u30eb\u3068\u4f7f\u7528\u3059\u308b\u30a2\u30da\u30f3\u30c0\u306e\u30ea\u30b9\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>#Define loggers\r\nlog4j.logger.com.scdev.log4j=WARN, file, console\r\nlog4j.logger.com.scdev.log4j.logic=DEBUG, file, console\r\n<\/code><\/pre>\n<h3>Log4j\u306e\u30ed\u30ac\u30fc\u30a2\u30c0\u30c6\u30a3\u30d6\u30b7\u30c6\u30a3<\/h3>\n<p>\u4e0a\u8a18\u306e\u30ed\u30ac\u30fc\u306eXML\u8a2d\u5b9a\u306b\u306f\u3001\u30a2\u30c7\u30a3\u30c6\u30a3\u30d6\u306a\u4f7f\u7528\u65b9\u6cd5\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ed\u30ac\u30fc\u8981\u7d20\u306e\u5c5e\u6027\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001log4j\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u8a2d\u5b9a\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5(log4j.additivity.{logger_name})\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>#setting additivity\r\nlog4j.additivity.com.scdev.log4j=false\r\nlog4j.additivity.com.scdev.log4j.logic=false\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306b\u57fa\u3065\u304d\u3001\u4e0b\u8a18\u304c\u79c1\u306e\u6700\u7d42\u7684\u306alog4j.properties\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>#Define root logger options\r\nlog4j.rootLogger=DEBUG, file, console\r\n\r\n#Define console appender\r\nlog4j.appender.console=org.apache.log4j.ConsoleAppender\r\nlogrj.appender.console.Target=System.out\r\nlog4j.appender.console.layout=org.apache.log4j.PatternLayout\r\nlog4j.appender.console.layout.ConversionPattern=%-5p %c{1} - %m%n\r\n\r\n#Define rolling file appender\r\nlog4j.appender.file=org.apache.log4j.RollingFileAppender\r\nlog4j.appender.file.File=logs\/main.log\r\nlog4j.appender.file.Append=true\r\nlog4j.appender.file.ImmediateFlush=true\r\nlog4j.appender.file.MaxFileSize=10MB\r\nlog4j.appender.file.MaxBackupIndex=5\r\nlog4j.appender.file.layout=org.apache.log4j.PatternLayout\r\nlog4j.appender.file.layout.ConversionPattern=%d %d{Z} [%t] %-5p (%F:%L) - %m%n\r\n\r\n#Define loggers\r\nlog4j.logger.com.scdev.log4j=WARN, file, console\r\nlog4j.logger.com.scdev.log4j.logic=DEBUG, file, console\r\n\r\n#setting additivity\r\nlog4j.additivity.com.scdev.log4j=false\r\nlog4j.additivity.com.scdev.log4j.logic=false\r\n<\/code><\/pre>\n<h3>Log4j\u306ePropertyConfigurator<\/h3>\n<p>PropertyConfigurator\u306f\u3001log4j\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u30d5\u30a1\u30a4\u30eb\u540d\u304clog4j.properties\u3067\u3042\u308a\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u3042\u308b\u5834\u5408\u3001\u3053\u308c\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30ed\u30ac\u30fc\u3092\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u8a2d\u5b9a\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306blog4j\u30ed\u30b0\u3092\u8a2d\u5b9a\u304a\u3088\u3073\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u7c21\u5358\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.scdev.log4j.main;\r\n\r\nimport org.apache.log4j.Logger;\r\nimport org.apache.log4j.PropertyConfigurator;\r\n\r\nimport com.scdev.log4j.logic.MathUtils;\r\n\r\npublic class Log4jExample {\r\n\r\n\tstatic{\r\n\t\tinit();\r\n\t}\r\n\t\r\n\tprivate final static Logger logger = Logger.getLogger(Log4jExample.class);\r\n\t\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\tlogger.debug(\"My Debug Log\");\r\n\t\tlogger.info(\"My Info Log\");\r\n\t\tlogger.warn(\"My Warn Log\");\r\n\t\tlogger.error(\"My error log\");\r\n\t\tlogger.fatal(\"My fatal log\");\r\n\t\t\t\t\r\n\t}\r\n\r\n\t\/**\r\n\t * method to init log4j configurations\r\n\t *\/\r\n\tprivate static void init() {\r\n\t\tPropertyConfigurator.configure(\"log4j.properties\");\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u3059\u308b\u3068\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u3067\u4ee5\u4e0b\u306e\u5185\u5bb9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>WARN  Log4jExample - My Warn Log\r\nERROR Log4jExample - My error log\r\nFATAL Log4jExample - My fatal log\r\n<\/code><\/pre>\n<p>\u540c\u6642\u306b\u3001\u4ee5\u4e0b\u306e\u901a\u308amain.log\u30d5\u30a1\u30a4\u30eb\u306b\u751f\u6210\u3055\u308c\u308b\u30ed\u30b0\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>2016-05-14 00:34:11,994 +0530 [main] WARN  (Log4jExample.java:20) - My Warn Log\r\n2016-05-14 00:34:11,995 +0530 [main] ERROR (Log4jExample.java:21) - My error log\r\n2016-05-14 00:34:11,995 +0530 [main] FATAL (Log4jExample.java:22) - My fatal log\r\n<\/code><\/pre>\n<p>\u30c7\u30d0\u30c3\u30b0\u3068\u30a4\u30f3\u30d5\u30a9\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u30ed\u30ac\u30fc\u306f\u51fa\u529b\u3055\u308c\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u5c0f\u306e\u30ed\u30b0\u30ec\u30d9\u30eb\u304cWARN\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u3067log4j\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u306e\u4f7f\u7528\u4f8b\u306f\u7d42\u308f\u308a\u3067\u3059\u3002\u30ed\u30b0\u3092\u304a\u697d\u3057\u307f\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>log4j\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001log4j\u306eXML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3092\u898b\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001log4j.xml\u306f\u5197\u9577\u306a\u305f\u3081\u3001log4j\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u306e\u8aad\u307f\u8fbc\u307f\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d7\u30ed\u30d1 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-361","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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