Skip to content

fix: 26743: 0.77 snapshots cannot be loaded, unknown data source meta… #26744

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
artemananiev wants to merge 2 commits into from
+8 −0
Closed

fix: 26743: 0.77 snapshots cannot be loaded, unknown data source meta… #26744

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
7f6beb1
fix: 26743: 0.77 snapshots cannot be loaded, unknown data source meta…
artemananiev Aug 7, 2026
6db98db
Sync with main
artemananiev Aug 10, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions platform-sdk/swirlds-merkledb/src/main/java/com/swirlds/merkledb/MerkleDbDataSource.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,11 @@ public final class MerkleDbDataSource implements VirtualDataSource {
private static final FieldDefinition FIELD_DSMETADATA_INITIALCAPACITY =
new FieldDefinition("initialCapacity", FieldType.UINT64, false, true, false, 3);

// FUTURE WORK: this field can be removed completely in 0.79
@Deprecated
private static final FieldDefinition FIELD_DSMETADATA_HASHESRAMTODISKTHRESHOLD =
new FieldDefinition("hashesRamToDiskThreshold", FieldType.UINT64, false, true, false, 4);

private static final FieldDefinition FIELD_DSMETADATA_HASHCHUNKHEIGHT =
new FieldDefinition("hashChunkHeight", FieldType.UINT32, false, true, false, 7);

Expand Down Expand Up @@ -1001,6 +1006,9 @@ private boolean loadMetadata(final MerkleDbPaths sourceDir) throws IOException {
maxValidKey = in.readVarLong(false);
} else if (fieldNum == FIELD_DSMETADATA_INITIALCAPACITY.number()) {
initialCapacity = in.readVarLong(false);
} else if (fieldNum == FIELD_DSMETADATA_HASHESRAMTODISKTHRESHOLD.number()) {
// Skip hashesRamToDiskThreshold field, it is no longer used
in.readVarLong(false);
} else if (fieldNum == FIELD_DSMETADATA_HASHCHUNKHEIGHT.number()) {
final int hashChunkHeight = in.readVarInt(false);
if (this.hashChunkHeight != hashChunkHeight) {
Expand Down
Loading