Hi,Logback has been used in the Shenyu project to record logs, and slf4j has 
not been maintained for a long time. I think I can replace these with `LogUtils`




On 06/2/2021 15:36,XiaoYu<[email protected]> wrote:
Hi Community

It is very appropriate to use the delayed nature of lambda expressions to
print logs.

If we should print logs, like this : `log.error("hello world"); `

If log level not config is ERROR,  This `Java String` is a loss to the
program.

Now if we used lambda expressions, like this : `log.error(() -> "hello
world ")`

It will only output if the log config is ERROR.

Based on the above considerations, I created
`org.apache.shenyu.common.utils.LogUtils`

This `LogUtils`  use lambda expressions to print logs.

In the shenyu project, should we use it all for printing logs?

Looking forward to your suggestions!

Thanks!

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