tomscut commented on a change in pull request #3825:
URL: https://github.com/apache/hadoop/pull/3825#discussion_r775885930
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File path:
hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java
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@@ -234,7 +236,18 @@ public Path getSourceFileListing() {
public List<Path> getSourcePaths() {
return sourcePaths == null ?
- null : Collections.unmodifiableList(sourcePaths);
+ null :
+ Collections.unmodifiableList(getUniquePaths(sourcePaths));
+ }
+
+ private List<Path> getUniquePaths(List<Path> srcPaths) {
+ Set<Path> uniquePaths = new LinkedHashSet<>();
+ for (Path path : srcPaths) {
+ if (!uniquePaths.add(path)) {
+ LOG.warn("Path: {} added multiple times, Ignoring the redundant
entry.", path);
Review comment:
LGTM. Do we need to change `Ignoring` to `ignoring`.
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