morningman commented on code in PR #57116:
URL: https://github.com/apache/doris/pull/57116#discussion_r2446686526
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fe/fe-core/src/main/java/org/apache/doris/datasource/property/metastore/AbstractPaimonProperties.java:
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@@ -112,6 +121,38 @@ public Map<String, String> getCatalogOptionsMap() {
}
}
+ /**
+ * @See org.apache.paimon.s3.S3FileIO
+ * Possible S3 config key prefixes:
+ * 1. "s3." - Paimon legacy custom prefix
+ * 2. "s3a." - Paimon-supported shorthand
+ * 3. "fs.s3a." - Hadoop S3A official prefix
+ *
+ * All of them are normalized to the Hadoop-recognized prefix "fs.s3a."
+ */
+ private final List<String> userStoragePrefixes = ImmutableList.of(
+ "paimon.s3.", "paimon.s3a.", "paimon.fs.s3.",
"paimon.fs.oss."
+ );
+
+ /** Hadoop S3A standard prefix */
+ private static final String FS_S3A_PREFIX = "fs.s3a.";
+
+ /**
+ * Normalizes user-provided S3 config keys to Hadoop S3A keys
+ */
+ protected Map<String, String> normalizeS3Config() {
Review Comment:
```suggestion
protected Map<String, String> normalizeS3Config() {
```
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