diff --git a/src/main/java/caosdb/server/FileSystem.java b/src/main/java/caosdb/server/FileSystem.java
index a26aee88352b3410ecc0e2fde40777d8f5681a79..79e764b96d3b477a57b90b83b1a3f437a1d21266 100644
--- a/src/main/java/caosdb/server/FileSystem.java
+++ b/src/main/java/caosdb/server/FileSystem.java
@@ -24,17 +24,6 @@
 
 package caosdb.server;
 
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.file.Path;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.regex.Pattern;
-import org.apache.commons.fileupload.FileItemStream;
-import com.google.common.io.Files;
 import caosdb.server.database.access.Access;
 import caosdb.server.database.backend.transaction.GetFileRecordByPath;
 import caosdb.server.database.exceptions.EntityDoesNotExistException;
@@ -45,6 +34,17 @@ import caosdb.server.entity.Message;
 import caosdb.server.utils.FileUtils;
 import caosdb.server.utils.ServerMessages;
 import caosdb.server.utils.Utils;
+import com.google.common.io.Files;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Path;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.regex.Pattern;
+import org.apache.commons.fileupload.FileItemStream;
 
 public class FileSystem {
   private static String filesystem = null;
diff --git a/src/main/java/caosdb/server/database/backend/implementation/UnixFileSystem/UnixFileSystemGetFileIterator.java b/src/main/java/caosdb/server/database/backend/implementation/UnixFileSystem/UnixFileSystemGetFileIterator.java
index 78fcac09e9746374d8e4af85368720e512d6a3b4..5bd6cd56fa40dc8696a8471e33381f1ab2584639 100644
--- a/src/main/java/caosdb/server/database/backend/implementation/UnixFileSystem/UnixFileSystemGetFileIterator.java
+++ b/src/main/java/caosdb/server/database/backend/implementation/UnixFileSystem/UnixFileSystemGetFileIterator.java
@@ -22,14 +22,14 @@
  */
 package caosdb.server.database.backend.implementation.UnixFileSystem;
 
-import java.io.File;
-import java.util.Arrays;
-import java.util.Iterator;
 import caosdb.server.FileSystem;
 import caosdb.server.database.access.Access;
 import caosdb.server.database.backend.interfaces.GetFileIteratorImpl;
 import caosdb.server.database.exceptions.TransactionException;
 import caosdb.server.entity.Message;
+import java.io.File;
+import java.util.Arrays;
+import java.util.Iterator;
 
 public class UnixFileSystemGetFileIterator extends UnixFileSystemTransaction
     implements GetFileIteratorImpl {
diff --git a/src/main/java/caosdb/server/jobs/core/InsertFilesInDir.java b/src/main/java/caosdb/server/jobs/core/InsertFilesInDir.java
index 7e0517b0001c18ac4d3aa5577985b87228cfc7d9..6b3144eb08b471ea90b836978c76b4ff643c313d 100644
--- a/src/main/java/caosdb/server/jobs/core/InsertFilesInDir.java
+++ b/src/main/java/caosdb/server/jobs/core/InsertFilesInDir.java
@@ -22,12 +22,6 @@
  */
 package caosdb.server.jobs.core;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 import caosdb.server.CaosDBException;
 import caosdb.server.CaosDBServer;
 import caosdb.server.FileSystem;
@@ -48,6 +42,12 @@ import caosdb.server.utils.EntityStatus;
 import caosdb.server.utils.FileUtils;
 import caosdb.server.utils.Undoable;
 import caosdb.server.utils.Utils;
+import java.io.File;
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 @JobAnnotation(
     flag = "InsertFilesInDir",
@@ -276,9 +276,7 @@ public class InsertFilesInDir extends FlagJob {
         getContainer()
             .addMessage(
                 new Message(
-                    MessageType.Warning,
-                    2,
-                    "Explicitly excluded file: " + sub.getCanonicalPath()));
+                    MessageType.Warning, 2, "Explicitly excluded file: " + sub.getCanonicalPath()));
         return false;
       }
     }
diff --git a/src/main/java/caosdb/server/transaction/FileStorageConsistencyCheck.java b/src/main/java/caosdb/server/transaction/FileStorageConsistencyCheck.java
index 8bf56a200a6075129506712cab9b7df7ed6f5d0c..26cab30e898d2cd9f163ba3c9773b96c02110cbb 100644
--- a/src/main/java/caosdb/server/transaction/FileStorageConsistencyCheck.java
+++ b/src/main/java/caosdb/server/transaction/FileStorageConsistencyCheck.java
@@ -22,13 +22,6 @@
  */
 package caosdb.server.transaction;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.TimeZone;
-import org.jdom2.Element;
 import caosdb.datetime.UTCDateTime;
 import caosdb.server.database.DatabaseMonitor;
 import caosdb.server.database.access.Access;
@@ -42,6 +35,13 @@ import caosdb.server.database.proto.SparseEntity;
 import caosdb.server.entity.Message;
 import caosdb.server.entity.xml.ToElementable;
 import caosdb.server.utils.SHA512;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.TimeZone;
+import org.jdom2.Element;
 
 public class FileStorageConsistencyCheck extends Thread
     implements ToElementable, TransactionInterface {
@@ -91,21 +91,24 @@ public class FileStorageConsistencyCheck extends Thread
           final GetFileRecordByPath t = execute(new GetFileRecordByPath(path), this.access);
           final int result =
               execute(
-                  new FileConsistencyCheck(
-                      path, t.getSize(), t.getHash(), t.getLastConsistencyCheck(), new SHA512()),
-                  this.access)
-              .getResult();
-          
+                      new FileConsistencyCheck(
+                          path,
+                          t.getSize(),
+                          t.getHash(),
+                          t.getLastConsistencyCheck(),
+                          new SHA512()),
+                      this.access)
+                  .getResult();
+
           if (result != FileConsistencyCheck.OK) {
             this.results.put(path, result);
           }
-          
+
           execute(new SetFileCheckedTimestamp(t.getId(), this.ts), this.access);
         } catch (EntityDoesNotExistException e) {
           this.results.put(path, FileConsistencyCheck.UNKNOWN_FILE);
           continue;
         }
-
       }
 
       // test all remaining file records