MINOR: Fix error message in SnapshotWriter.java
Reviewers: Chia-Ping Tsai
@@ -107,7 +107,7 @@ final public class SnapshotWriter<T> implements Closeable {
public void append(List<T> records) throws IOException {
if (snapshot.isFrozen()) {
String message = String.format(
- "Append not supported. Snapshot is already frozen: id = {}.",
+ "Append not supported. Snapshot is already frozen: id = '%s'.",
snapshot.snapshotId()
);
