grails - Grails-如何将日志模式添加到文件追加器

Question

我正在实现对应用程序的日志记录，我正在尝试向日志文件追加程序添加模式，

我的代码是这样的:

log4j = {
    appenders {

        //  append new appenders of your own and add log level and packages/files like to add.
        rollingFile name: "myAppender",
                    maxFileSize: 1024,
                    file: "C:/GrailsWS/BaseGrails/target/basegrails.log"//""basegrails.log"  //  C:\GrailsWS\BaseGrails\target\basegrails.log

        console name: "myAppender",
                layout: pattern(conversionPattern: "%c{2} %m%n")
    }

我正在关注Grails Logging页面，添加模式行之后，我的basegrails.log没有得到任何日志数据。

Answer 1

您不想具有相同名称的追加程序。我相信您想要做的就是给您的附加程序赋予不同的名称，然后根据需要应用转换模式。如果需要，可以使用通用模式定义变量。因此，类似:

log4j = {
    def commonPattern = "%c{2} %m%n"

    appenders {

        //  append new appenders of your own and add log level and packages/files like to add.
        rollingFile name: "rollingLog",
                maxFileSize: 1024,
                file: "C:/GrailsWS/BaseGrails/target/basegrails.log",
                layout: pattern(conversionPattern: commonPattern)

        console name: "stdout",
            layout: pattern(conversionPattern: commonPattern )
    }

    // then, use your appenders
    trace stdout ['grails.app', ...]
    debug rollingFile: ['your.package', ...]

}