hemantk-12 commented on code in PR #5223:
URL: https://github.com/apache/ozone/pull/5223#discussion_r1309096661
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/SnapshotChainManager.java:
##########
@@ -92,20 +114,38 @@ private void addSnapshotGlobal(UUID snapshotID,
/**
* Add snapshot to bucket snapshot chain(path based).
*/
- private void addSnapshotPath(String snapshotPath,
- UUID snapshotID,
- UUID prevPathID) throws IOException {
+ private void addSnapshotPath(String snapshotPath, UUID snapshotID,
+ UUID prevPathID) {
// On add snapshot, set previous snapshot entry nextSnapshotId = snapshotId
if (prevPathID != null &&
((!snapshotChainByPath.containsKey(snapshotPath)) ||
(!snapshotChainByPath.get(snapshotPath).containsKey(prevPathID))))
{
- throw new IOException(String.format("Snapshot chain corruption. " +
- "Previous snapshotId: %s is set for snapshotId: %s but no " +
- "associated snapshot found in snapshot chain.", prevPathID,
- snapshotID));
+ throw new IllegalStateException(String.format(
+ "Path Snapshot chain corruption. Previous snapshotId: %s is set " +
+ "for snapshotId: %s but no associated snapshot found in " +
+ "snapshot chain.", prevPathID, snapshotID));
+ }
+
+ if (prevPathID == null && snapshotChainByPath.containsKey(snapshotPath) &&
+ !snapshotChainByPath.get(snapshotPath).isEmpty()) {
+ throw new IllegalStateException(String.format(
+ "Path Snapshot chain corruption. Error while adding snapshot with " +
+ "snapshotId %s with as the first snapshot in snapshot path: " +
+ "%s which already %d snapshots.", snapshotID, snapshotPath,
Review Comment:
```suggestion
"%s which already has %d snapshots.", snapshotID, snapshotPath,
```
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