{"id":26205,"date":"2024-03-16T06:21:10","date_gmt":"2024-03-16T06:21:10","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/"},"modified":"2024-03-22T08:01:21","modified_gmt":"2024-03-22T08:01:21","slug":"how-to-load-multiple-log4j-configuration-files","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/","title":{"rendered":"How to load multiple log4j configuration files?"},"content":{"rendered":"<p>In log4j, different configurations can be loaded by using multiple configuration files. Here is one way to do it:<\/p>\n<ol>\n<li>Create a main configuration file, such as log4j.properties or log4j.xml, and define one or more appenders and loggers within it.<\/li>\n<li>Include the information from the secondaryConfig.xml file.<\/li>\n<li>Include the secondaryConfig.properties file.<\/li>\n<li>Create additional configuration files, such as secondaryConfig.xml or secondaryConfig.properties, and define additional appenders and loggers within them.<\/li>\n<li>During runtime, log4j will automatically load the main configuration file and then proceed to load other imported configuration files in order.<\/li>\n<\/ol>\n<p>For example, here is a sample log4j.properties file:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u4e3b\u914d\u7f6e\u6587\u4ef6<\/span>\r\n<span class=\"hljs-attr\">log4j.rootLogger<\/span>=<span class=\"hljs-string\">INFO, console<\/span>\r\n<span class=\"hljs-comment\">\r\n# \u8f93\u51fa\u5230\u63a7\u5236\u53f0\u7684appender<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.console<\/span>=<span class=\"hljs-string\">org.apache.log4j.ConsoleAppender<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.console.layout<\/span>=<span class=\"hljs-string\">org.apache.log4j.PatternLayout<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.console.layout.ConversionPattern<\/span>=<span class=\"hljs-string\">%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n<\/span>\r\n<span class=\"hljs-comment\">\r\n# \u5bfc\u5165\u5176\u4ed6\u914d\u7f6e\u6587\u4ef6<\/span>\r\n<span class=\"hljs-attr\">log4j.configuration<\/span>=<span class=\"hljs-string\">secondaryConfig.properties<\/span>\r\n<\/code><\/pre>\n<p>Next, create a secondaryConfig.properties file to define additional appenders and loggers.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u4ece\u4e3b\u914d\u7f6e\u6587\u4ef6\u5bfc\u5165\u7684\u914d\u7f6e<\/span>\r\n<span class=\"hljs-attr\">log4j.logger.com.example<\/span>=<span class=\"hljs-string\">INFO, file<\/span>\r\n<span class=\"hljs-comment\">\r\n# \u8f93\u51fa\u5230\u6587\u4ef6\u7684appender<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.file<\/span>=<span class=\"hljs-string\">org.apache.log4j.FileAppender<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.file.File<\/span>=<span class=\"hljs-string\">\/path\/to\/logfile.log<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.file.layout<\/span>=<span class=\"hljs-string\">org.apache.log4j.PatternLayout<\/span>\r\n<span class=\"hljs-attr\">log4j.appender.file.layout.ConversionPattern<\/span>=<span class=\"hljs-string\">%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n<\/span>\r\n<\/code><\/pre>\n<p>In this way, log4j will first load the main configuration file, then based on the instructions in the main configuration file, load the secondaryConfig.properties file, and perform logging according to the defined appenders and loggers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In log4j, different configurations can be loaded by using multiple configuration files. Here is one way to do it: Create a main configuration file, such as log4j.properties or log4j.xml, and define one or more appenders and loggers within it. Include the information from the secondaryConfig.xml file. Include the secondaryConfig.properties file. Create additional configuration files, such [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-26205","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to load multiple log4j configuration files? - Blog - Silicon Cloud<\/title>\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\/blog\/how-to-load-multiple-log4j-configuration-files\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to load multiple log4j configuration files?\" \/>\n<meta property=\"og:description\" content=\"In log4j, different configurations can be loaded by using multiple configuration files. Here is one way to do it: Create a main configuration file, such as log4j.properties or log4j.xml, and define one or more appenders and loggers within it. Include the information from the secondaryConfig.xml file. Include the secondaryConfig.properties file. Create additional configuration files, such [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T06:21:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T08:01:21+00:00\" \/>\n<meta name=\"author\" content=\"William Carter\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"William Carter\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/\"},\"author\":{\"name\":\"William Carter\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/f697031891aacefc4b681d139781d3c0\"},\"headline\":\"How to load multiple log4j configuration files?\",\"datePublished\":\"2024-03-16T06:21:10+00:00\",\"dateModified\":\"2024-03-22T08:01:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/\"},\"wordCount\":165,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-load-multiple-log4j-configuration-files\/\",\"name\":\"How to load multiple log4j configuration files? 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