ctubbsii commented on code in PR #5197:
URL: https://github.com/apache/accumulo/pull/5197#discussion_r2036314031
##########
core/src/main/java/org/apache/accumulo/core/clientImpl/bulk/LoadMappingIterator.java:
##########
@@ -72,12 +76,30 @@ public boolean hasNext() {
@Override
public Map.Entry<KeyExtent,Bulk.Files> next() {
- Bulk.Mapping bm = gson.fromJson(reader, Bulk.Mapping.class);
- if (renameMap != null) {
- return new AbstractMap.SimpleEntry<>(bm.getKeyExtent(tableId),
- bm.getFiles().mapNames(renameMap));
- } else {
- return new AbstractMap.SimpleEntry<>(bm.getKeyExtent(tableId),
bm.getFiles());
+ try {
+ Bulk.Mapping bm = gson.fromJson(reader, Bulk.Mapping.class);
+ if (bm == null) {
+ throw new NoSuchElementException("No more elements in input");
+ }
+
+ KeyExtent currentKeyExtent = bm.getKeyExtent(tableId);
+
+ if (lastKeyExtent != null && currentKeyExtent.compareTo(lastKeyExtent) <
0) {
+ throw new IllegalStateException(
+ String.format("KeyExtents are not in sorted order: %s comes after
%s", lastKeyExtent,
+ currentKeyExtent));
+ }
+
+ lastKeyExtent = currentKeyExtent;
+
+ if (renameMap != null) {
+ return new AbstractMap.SimpleEntry<>(currentKeyExtent,
bm.getFiles().mapNames(renameMap));
+ } else {
+ return new AbstractMap.SimpleEntry<>(currentKeyExtent, bm.getFiles());
+ }
+
+ } catch (JsonSyntaxException | JsonIOException e) {
+ throw new NoSuchElementException("Failed to read next mapping: " +
e.getMessage());
Review Comment:
```suggestion
throw new NoSuchElementException("Failed to read next mapping", e);
```
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