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GH-47560: [C++] Fix host handling for default HDFS URI #47458

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Merged
pitrou merged 4 commits into from
Sep 23, 2025
Merged

GH-47560: [C++] Fix host handling for default HDFS URI #47458

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b230c0e
Fix host handling for default HDFS URI (fix for #25324 when used via …
dsevilla Aug 29, 2025
4561d70
Merge branch 'apache:main' into patch-3
dsevilla Sep 23, 2025
59d4d96
Update cpp/src/arrow/filesystem/hdfs.cc
dsevilla Sep 23, 2025
33adb02
Update comment for clarity on default host handling (fix comment length)
dsevilla Sep 23, 2025
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6 changes: 5 additions & 1 deletion cpp/src/arrow/filesystem/hdfs.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -363,8 +363,12 @@ Result<HdfsOptions> HdfsOptions::FromUri(const Uri& uri) {
options_map.emplace(kv.first, kv.second);
}

// Special case host = "default" or "hdfs://default" as stated by #25324.
std::string host;
host = uri.scheme() + "://" + uri.host();
if (uri.host() == "default")
host = uri.host();
else
host = uri.scheme() + "://" + uri.host();

// configure endpoint
const auto port = uri.port();
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