运行JAR时如何配置日志记录?
我是Java日志记录API的新手，需要一些有关此问题的帮助:
在创建应用程序时，我的配置文件存储在项目的根文件夹中，因此我使用-Djava.util.logging.config.file=logging.properties开关运行该程序.
但是后来我导出了可执行文件JAR.
现在如何配置日志记录?当我使用-D开关指定配置文件的路径时，它不起作用.
I am new to Java logging API and need some help with this problem:
While creating the application, my config file was stored in the project root folder, so I used -Djava.util.logging.config.file=logging.properties switch to run the program.
But then I exported the executable JAR.
How to configure the logging now? It doesn't work, when I specify the path to config file with the -D switch.
您无法在MANIFEST.MF 文件中指定JVM参数，因此您必须在命令行中指定日志记录属性或快捷方式:
You can't specify JVM arguments into the MANIFEST.MF file so you have to specify the logging properties at the command line or with a shortcut :
java -Djava.util.logging.config.file=logging.properties -jar yourjar.jar
否则，您可以在JAR中打包属性文件(在您的情况下为logging.properties)，请在以下位置阅读 启动，并将这些设置放入系统属性.
Otherwise you could package a properties file(logging.properties in your case) in the JAR, read that at startup and put those settings into the system properties.