diff --git a/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/data/enums/FilenameTemplate.java b/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/data/enums/FilenameTemplate.java
index 03327e824..d534771cb 100644
--- a/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/data/enums/FilenameTemplate.java
+++ b/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/data/enums/FilenameTemplate.java
@@ -79,10 +79,14 @@ public enum FilenameTemplate {
         for (SftpFileInfo file : files) {
             String name = file.getFilename();
             String[] splitName = name.split("_");
+            if (splitName.length < 3)
+                throw new IllegalArgumentException("Filename did not contains 3 or 4 separator \"_\": " + name);
             String prefix = splitName[0];
             String timestamp = splitName[2];
 
             if (prefix.equalsIgnoreCase(prefixOfTable) && timestamp.contains(timestampNow)) {
+                if (splitName.length < 4)
+                    throw new IllegalArgumentException("Filename did not contains 4 separator \"_\": " + name);
                 String counter = splitName[3];
                 int positionOfDot = counter.indexOf('.');
                 if (positionOfDot != -1) {
diff --git a/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/stages/PrepareDBFFile.java b/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/stages/PrepareDBFFile.java
index ff8acaed5..2b88238c0 100644
--- a/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/stages/PrepareDBFFile.java
+++ b/clearing-parent/dbf-exporter/src/main/java/ru/spcex/clearing/dbf/exporter/logic/stages/PrepareDBFFile.java
@@ -39,6 +39,7 @@ public class PrepareDBFFile extends Stage implements InitializingBean {
     public StageResult process(ResultContainer resultContainer) {
         Objects.requireNonNull(resultContainer.getTableForExport());
         List<SftpFileInfo> files = gateway.listFiles(settings.getStore().getOutDir());
+        log.debug("From sFTP dir \"{}\" list {} file names.", settings.getStore().getOutDir(), files.size());
         Table table = resultContainer.getTableForExport();
         LocalDateTime currentDateTime = LocalDateTime.now();
         resultContainer.setRegistrationDateTime(currentDateTime);
@@ -64,6 +65,7 @@ public class PrepareDBFFile extends Stage implements InitializingBean {
             throw new IOException("Output directory " + outDirPath + " is file.");
         if (!outDirFile.exists()) Files.createDirectories(outDirFile.toPath());
         this.outDir = outDirPath;
+        log.info("Output directory: {}", outDirFile.getAbsolutePath());
     }
 
     private static final Map<Table, FilenameTemplate> nameTemplates = new EnumMap<>(Table.class);