Java 如何为 spring-boot 应用程序设置 logging.path？
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How to set logging.path for spring-boot apps?
提问by membersound
spring-bootprovides several logging.*settings that can be applied in application.properties, like:
spring-boot提供了几种logging.*可以应用于 的设置application.properties，例如：
logging.level.=DEBUG
logging.file=myfile.log
logging.path=d:/logs/
Problem: myfile.logis generated, BUT inside the classpath! Why isn't spring taking my absolute path into account?
问题：myfile.log生成，但在类路径中！为什么 spring 不考虑我的绝对路径？
采纳答案by davidxxx
The Spring Boot documentationstates
在春季启动文档状态
By default, Spring Boot will only log to the console and will not write log files. If you want to write log files in addition to the console output you need to set a logging.file or logging.path property (for example in your application.properties).
默认情况下，Spring Boot 只会登录到控制台，不会写入日志文件。如果您想在控制台输出之外写入日志文件，您需要设置 logging.file 或 logging.path 属性（例如在您的 application.properties 中）。
and then describes how the logging.fileand logging.pathproperties work. You should only set one.
然后描述logging.file和logging.path属性是如何工作的。你应该只设置一个。
If logging.fileis set, it will write to that specific file. The documentation states
如果logging.file设置，它将写入该特定文件。该文件指出
Names can be an exact location or relative to the current directory.
名称可以是确切位置或相对于当前目录。
So you're likely writing to your current directory, which happens to be the same as your classpath.
因此，您可能正在写入当前目录，该目录恰好与您的类路径相同。
If you set logging.path, Spring Boot
如果你设置logging.path，Spring Boot
Writes
spring.logto the specified directory. Names can be an exact location or relative to the current directory.
写入
spring.log指定目录。名称可以是确切位置或相对于当前目录。
Check that your current directory isn't your classpath, if you don't want them to mix, and adapt one of the logging.fileand logging.pathaccordingly.
检查你的当前目录是不是你的classpath，如果你不想让他们混，适应的一个logging.file和logging.path相应。
回答by Pawana
I don't know if this is still needed, but you can set the absolute path with following code according to your example
我不知道这是否仍然需要，但是您可以根据您的示例使用以下代码设置绝对路径
logging.path=D:\logs\logfile.txt
You can alter the filename and the path like this. If the folder doesn't exist it gets created. On Windows you have to work with \ as seperator, while on Linux and Mac you need / as seperator.
您可以像这样更改文件名和路径。如果该文件夹不存在，则会创建它。在 Windows 上，您必须使用 \ 作为分隔符，而在 Linux 和 Mac 上，您需要使用 / 作为分隔符。
REMEMBER: You cannot have logging.file AND logging.path in your properties together. It is either .file OR .path ... in your case the path.
记住：您的属性中不能同时包含 logging.file 和 logging.path。它是 .file 或 .path ...在你的情况下是路径。
Tested 2 Minutes before posting
在发布前测试了 2 分钟
回答by Hernan Ramovecchi
You can also have this configuration on your app.properties. Thats how it is working in one of my projects.
您也可以在app.properties. 这就是它在我的一个项目中的工作方式。
logging.path=../logs
logging.file=${logging.path}/fileName.log
So, you can have both properties and one refers to the other.
因此，您可以同时拥有这两个属性，并且一个引用另一个。
回答by Dheeraj Madan
I have set logging.file=C:/usr/local/tomcat/logs/hib.login the application.propertiesand the setting like below in class
我已logging.file=C:/usr/local/tomcat/logs/hib.log在application.properties以下在课堂上设置类似
private static final Logger logger = LogManager.getLogger(ChargeMasterController.class);
logger.info("Total time taken for is ---------------------------" + time + " ms");
Logs are getting printed fine in the path mentioned as logging.file.
日志在 logging.file 提到的路径中打印得很好。
Now I want to print my logs in 2 different files for 2 different classes(In same package), how can I set 2 logging.file in application.properties
现在我想在 2 个不同的文件中为 2 个不同的类（在同一个包中）打印我的日志，我如何在 application.properties 中设置 2 logging.file
