tombentley commented on a change in pull request #8449:
URL: https://github.com/apache/kafka/pull/8449#discussion_r413718361



##########
File path: 
clients/src/main/java/org/apache/kafka/server/policy/AlterConfigPolicy.java
##########
@@ -32,6 +32,7 @@
  * using the default constructor and will then pass the broker configs to its 
<code>configure()</code> method. During
  * broker shutdown, the <code>close()</code> method will be invoked so that 
resources can be released (if necessary).
  */
+@SuppressWarnings("try") // can't override close() to now declare throws 
Exception until Kafka 3.0

Review comment:
       Sorry the comment isn't too helpful. The problem is that 
`AlterConfigPolicy` inherits `close() from `AutoCloseable` which declares it to 
throw `Exception`, which includes `InterruptedException`, which generates the 
warning. 
   
   
/home/tom/messaging/kafka/clients/src/main/java/org/apache/kafka/server/policy/AlterConfigPolicy.java:35:
 warning: [try] auto-closeable resource AlterConfigPolicy has a member method 
close() that could throw InterruptedException
   
   So one solution would be to enumerate more specific checked exceptions (e.g. 
`IOException` plus maybe others), but that would be an API change so is not an 
option right now. 
   
   The alternative would be to just add the above `SuppressWarnings` and never 
change the `throws` clause. The drawback of that would be that it doesn't 
address the warning that's generated at the use site.
   
   See also: https://bugs.openjdk.java.net/browse/JDK-8155591
   
   What's your preference?




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