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
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@@ -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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