huaxingao commented on code in PR #5122:
URL: https://github.com/apache/polaris/pull/5122#discussion_r3642013820
##########
runtime/service/src/main/java/org/apache/polaris/service/idempotency/EntityIdempotency.java:
##########
@@ -130,24 +126,24 @@ public static Map<String, String> recordKey(
}
private static List<KeyEntry> decode(String raw) {
- if (raw == null || raw.isEmpty()) {
+ if (raw == null || !raw.startsWith(FORMAT_SMILE_V1)) {
return List.of();
}
- if (!raw.startsWith(WINDOW_FORMAT_SMILE_V1)) {
- throw new IllegalArgumentException("Unrecognized idempotency key window
format");
- }
- byte[] smile =
Base64.getUrlDecoder().decode(raw.substring(WINDOW_FORMAT_SMILE_V1.length()));
+ // An unreadable window (bad base64 or SMILE decode failure) is treated as
no live keys rather
+ // than failing the operation: a corrupt property degrades to normal
behavior and the next
+ // recordKey overwrites it.
try {
+ byte[] smile =
Base64.getUrlDecoder().decode(raw.substring(FORMAT_SMILE_V1.length()));
return SMILE_MAPPER.readValue(smile, new TypeReference<List<KeyEntry>>()
{});
- } catch (IOException e) {
- throw new RuntimeException("Failed to decode idempotency key window", e);
+ } catch (IllegalArgumentException | IOException e) {
+ return List.of();
Review Comment:
Sounds good! Will add one.
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