dimas-b commented on code in PR #864:
URL: https://github.com/apache/polaris/pull/864#discussion_r1929122570
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service/common/src/main/java/org/apache/polaris/service/exception/IcebergExceptionMapper.java:
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@@ -144,4 +112,56 @@ public static boolean containsAnyAccessDeniedHint(String
message) {
public static Collection<String> getAccessDeniedHints() {
return ImmutableSet.copyOf(ACCESS_DENIED_HINTS);
}
+
+ static int mapExceptionToResponseCode(RuntimeException rex) {
+ // Cloud exceptions
+ if (rex instanceof S3Exception
+ || rex instanceof AzureException
+ || rex instanceof StorageException) {
+ if (doesAnyThrowableContainAccessDeniedHint(rex)) {
+ return Response.Status.FORBIDDEN.getStatusCode();
+ }
+
+ int httpCode =
+ switch (rex) {
+ case S3Exception s3e -> s3e.statusCode();
+ case HttpResponseException hre ->
hre.getResponse().getStatusCode();
+ case StorageException se -> se.getCode();
+ default -> -1;
+ };
+
+ if (300 <= httpCode && httpCode <= 499) {
+ return httpCode;
Review Comment:
1. I do not think we should consider Polaris as a proxy for storage. Even
though today it loads metadata from S3 (for example) on every request, it does
not have to be this way in principle... I believe I saw discussions about
storing metadata in the Polaris database.
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