mreutegg commented on code in PR #1892:
URL: https://github.com/apache/jackrabbit-oak/pull/1892#discussion_r2212878500
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oak-segment-azure/src/main/java/org/apache/jackrabbit/oak/segment/azure/tool/SegmentStoreMigrator.java:
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@@ -162,9 +162,13 @@ private void migrateArchives() throws IOException,
ExecutionException, Interrupt
List<String> targetArchives = targetManager.listArchives();
if (appendMode && !targetArchives.isEmpty()) {
- //last archive can be updated since last copy and needs to be
recopied
- String lastArchive = targetArchives.get(targetArchives.size() - 1);
- targetArchives.remove(lastArchive);
+ // last archive could have been updated since last copy and needs
to be recopied
+ try {
+ targetArchives.sort(String::compareTo);
+ targetArchives.remove(targetArchives.size() - 1);
+ } catch (UnsupportedOperationException e) {
Review Comment:
> But more generally, yes the list may be fully immutable or some other type
that doesn't allow resizing. Why copy it into an ArrayList instead of just
always using subList for example?
Getting a sub list from an immutable list should work, but
SegmentStoreMigrator also sorts the list and that is not possible when the list
is immutable.
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