[GitHub] [pulsar] BewareMyPower commented on pull request #20847: [fix][io] fix exception is not printed in error log

["BewareMyPower (via GitHub)" <gi...@apache.org>]

BewareMyPower commented on PR #20847:
URL: https://github.com/apache/pulsar/pull/20847#issuecomment-1644997788

   I think it's not missed. The SLF4J logger supports adding an exception argument at the tail.
   
   You can try the following code directly:
   
   ```java
   @Slf4j
   public class Main {
   
       public static void main(String[] args) {
           final var e = new RuntimeException("error");
           log.info("exception: ", e);
       }
   }
   ```
   
   and you will see the output:
   
   ```
   [2023-07-21 13:20:37,967] mainid INFO exception:  (org.example.Main)
   java.lang.RuntimeException: error
   	at org.example.Main.main(Main.java:9)
   ```


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