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Delta Lake: Attach the cause to the exceptions that may occur while reading transaction log files #27931

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Merged
ebyhr merged 1 commit into from
Jan 15, 2026
Merged

Delta Lake: Attach the cause to the exceptions that may occur while reading transaction log files #27931

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6 changes: 3 additions & 3 deletions ...ta-lake/src/main/java/io/trino/plugin/deltalake/transactionlog/TransactionLogEntries.java
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ public TransactionLogEntries(long entryNumber, TrinoInputFile inputFile, DataSiz
}
}
catch (IOException e) {
throw new TrinoException(GENERIC_INTERNAL_ERROR, "Error while reading from transaction entry iterator for the file %s".formatted(transactionLogFilePath));
throw new TrinoException(GENERIC_INTERNAL_ERROR, "Error while reading from transaction entry iterator for the file %s".formatted(transactionLogFilePath), e);
}
}

Expand Down Expand Up @@ -140,7 +140,7 @@ public TransactionLogEntryIterator(long entryNumber, TrinoInputFile inputFile)
inputStream = inputFile.newStream();
}
catch (Exception e) {
throw new TrinoException(GENERIC_INTERNAL_ERROR, "Error while initializing the transaction entry iterator for the file %s".formatted(inputFile.location()));
throw new TrinoException(GENERIC_INTERNAL_ERROR, "Error while initializing the transaction entry iterator for the file %s".formatted(inputFile.location()), e);
}
this.reader = new BufferedReader(new InputStreamReader(inputStream, UTF_8), JSON_LOG_ENTRY_READ_BUFFER_SIZE);
}
Expand All @@ -153,7 +153,7 @@ protected DeltaLakeTransactionLogEntry computeNext()
line = reader.readLine();
}
catch (IOException e) {
throw new TrinoException(GENERIC_INTERNAL_ERROR, "Error while reading from transaction entry iterator for the file %s".formatted(location));
throw new TrinoException(GENERIC_INTERNAL_ERROR, "Error while reading from transaction entry iterator for the file %s".formatted(location), e);
}
if (line == null) {
close();
Expand Down