XComp commented on a change in pull request #16286:
URL: https://github.com/apache/flink/pull/16286#discussion_r660042732



##########
File path: 
flink-clients/src/main/java/org/apache/flink/client/deployment/application/JarManifestParser.java
##########
@@ -118,7 +118,7 @@ static JarFileWithEntryClass 
findOnlyEntryClass(Iterable<File> jarFiles) throws
      * @return Optional holding value of first found attribute
      * @throws IOException If there is an error accessing the JAR
      */
-    private static Optional<String> findFirstManifestAttribute(File jarFile, 
String... attributes)
+    public static Optional<String> findFirstManifestAttribute(File jarFile, 
String... attributes)

Review comment:
       I use it in `ClasspathProvider.extractEntryClassNameFromJar`. Making the 
method `protected` would make it unavailable there.




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