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YARN-11830. Normalise path to fix file uri in windows #7756

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Merged
merged 1 commit into from
Jun 30, 2025
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YARN-11830. Normalise path to fix file uri in windows #7756

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9 changes: 8 additions & 1 deletion hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/Path.java
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Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,14 @@ public Path(String scheme, String authority, String path) {
private void initialize(String scheme, String authority, String path,
String fragment) {
try {
this.uri = new URI(scheme, authority, normalizePath(scheme, path), null, fragment)
// Normalize the path
String normalizedPath = normalizePath(scheme, path);

// Windows-specific fix: file URIs must start with "/"
if ("file".equalsIgnoreCase(scheme) && normalizedPath.matches("^[A-Za-z]:.*")) {
normalizedPath = "/" + normalizedPath.replace("\\", "/");
}
this.uri = new URI(scheme, authority, normalizedPath, null, fragment)
.normalize();
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
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