[GitHub] [kafka] ijuma commented on a diff in pull request #12230: MINOR: Catch InvocationTargetException explicitly and propagate underlying cause

[GitBox <gi...@apache.org>]

ijuma commented on code in PR #12230:
URL: https://github.com/apache/kafka/pull/12230#discussion_r955599249


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clients/src/main/java/org/apache/kafka/common/utils/Utils.java:
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@@ -463,8 +463,7 @@ public static <T> T newParameterizedInstance(String className, Object... params)
             throw new ClassNotFoundException(String.format("Unable to access " +
                 "constructor of %s", className), e);
         } catch (InvocationTargetException e) {
-            throw new ClassNotFoundException(String.format("Unable to invoke " +
-                "constructor of %s", className), e);
+            throw new KafkaException(String.format("The constructor of %s threw an exception", className), e.getCause());

Review Comment:
   One downside of this approach is that one cannot catch ReflectiveException to catch all expected exceptions.



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