zentol commented on a change in pull request #16286:
URL: https://github.com/apache/flink/pull/16286#discussion_r663781616
##########
File path:
flink-clients/src/main/java/org/apache/flink/client/deployment/application/FromJarEntryClassInformationProvider.java
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@@ -68,11 +68,33 @@ private FromJarEntryClassInformationProvider(
this.jobClassName = jobClassName;
}
+ /**
+ * Returns the specified {@code jarFile}. If no {@code jarFile} was
specified it can only return
+ * an empty {@code Optional} if the {@code jobClassName} is specified
instead. In that case, the
Review comment:
The condition when it returns an empty optional is unnecessary and just
creates confusion. The jar _and_ classname not being specified is a case that a
consumer of this APIn ever has to be concerned with because the constructor
rejects it.
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