diff --git a/src/main/java/de/mediathekview/mserver/base/config/MServerConfigDTO.java b/src/main/java/de/mediathekview/mserver/base/config/MServerConfigDTO.java
index 97f7d5aff..aa35966a5 100644
--- a/src/main/java/de/mediathekview/mserver/base/config/MServerConfigDTO.java
+++ b/src/main/java/de/mediathekview/mserver/base/config/MServerConfigDTO.java
@@ -19,7 +19,7 @@ public class MServerConfigDTO extends MServerBasicConfigDTO implements ConfigDTO
   /** add livestreams from external list **/
   private final ImportLivestreamConfiguration importLivestreamConfiguration;
   /** add additional filmlist from external **/
-  private final List<ImportFilmlistConfiguration> ImportFilmlistConfigurations;
+  private final List<ImportFilmlistConfiguration> importFilmlistConfigurations;
   /** The maximum amount of cpu threads to be used. */
   private Integer maximumCpuThreads;
   /**
@@ -90,8 +90,7 @@ public MServerConfigDTO() {
     filmlistIdFilePath = "filmlist.id";
     ignoreFilmlistPath = "ignoreFilmlist.txt";
     importLivestreamConfiguration = new ImportLivestreamConfiguration(false, "live-streams.json", FilmlistFormats.OLD_JSON);
-    ImportFilmlistConfigurations = new ArrayList<ImportFilmlistConfiguration>();
-    //ImportFilmlistConfigurations.add(new ImportFilmlistConfiguration(false, "https://verteiler1.mediathekview.de/Filmliste-akt.xz", FilmlistFormats.OLD_JSON_COMPRESSED_XZ, true));
+    importFilmlistConfigurations = new ArrayList<>();
     
     Arrays.stream(Sender.values())
         .forEach(sender -> senderConfigurations.put(sender, new MServerBasicConfigDTO(this)));
@@ -254,7 +253,7 @@ public ImportLivestreamConfiguration getImportLivestreamConfiguration() {
   }
   
   public List<ImportFilmlistConfiguration> getImportFilmlistConfigurations() {
-    return ImportFilmlistConfigurations;
+    return importFilmlistConfigurations;
   }
  
   /**
diff --git a/src/main/java/de/mediathekview/mserver/base/utils/CheckUrlAvailability.java b/src/main/java/de/mediathekview/mserver/base/utils/CheckUrlAvailability.java
index 75c547605..45dc0eadd 100644
--- a/src/main/java/de/mediathekview/mserver/base/utils/CheckUrlAvailability.java
+++ b/src/main/java/de/mediathekview/mserver/base/utils/CheckUrlAvailability.java
@@ -16,7 +16,7 @@ public class CheckUrlAvailability {
   private static final Logger LOG = LogManager.getLogger(CheckUrlAvailability.class);
   private Long minFileSize = 2048L;
   private int removedCounter = 0;
-  private long timeoutInMS = 1*60*1000;
+  private long timeoutInMS = 1*60*1000L;
   private boolean timeout = false;
   private long start = 0;
   private FileSizeDeterminer fsd = new FileSizeDeterminer();
@@ -32,7 +32,7 @@ public Filmlist getAvaiableFilmlist(final Filmlist importList) {
     Filmlist filteredFilmlist = new Filmlist();
     filteredFilmlist.setCreationDate(importList.getCreationDate());
     filteredFilmlist.setListId(importList.getListId());
-    importList.getFilms().values().stream().parallel().filter(e -> { return isAvailable(e);}).forEach(filteredFilmlist::add);
+    importList.getFilms().values().stream().parallel().filter(this::isAvailable).forEach(filteredFilmlist::add);
     LOG.debug("checked {} urls and removed {} in {} sec and timeout was reached: {}", importList.getFilms().size(), removedCounter, ((System.currentTimeMillis()-start)/1000), timeout);
     return filteredFilmlist;
   }
diff --git a/src/main/java/de/mediathekview/mserver/crawler/basic/TimeoutTask.java b/src/main/java/de/mediathekview/mserver/crawler/basic/TimeoutTask.java
index 331bf3203..740e54df5 100644
--- a/src/main/java/de/mediathekview/mserver/crawler/basic/TimeoutTask.java
+++ b/src/main/java/de/mediathekview/mserver/crawler/basic/TimeoutTask.java
@@ -3,7 +3,13 @@
 import java.time.Duration;
 import java.time.LocalDateTime;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import de.mediathekview.mserver.crawler.arte.ArteCrawler;
+
 public abstract class TimeoutTask extends Thread {
+  private static final Logger LOG = LogManager.getLogger(ArteCrawler.class);
   private final long maxTime;
   private boolean isRun;
 
@@ -24,7 +30,9 @@ public void run() {
         shutdown();
         stopTimeout();
       }
-      try {Thread.sleep(60*1000);} catch (InterruptedException e) {}
+      try {Thread.sleep(60*1000L);} catch (InterruptedException e) {
+        LOG.error(e);
+      }
     }
   }
 
diff --git a/src/main/java/de/mediathekview/mserver/crawler/kika/tasks/KikaApiFilmTask.java b/src/main/java/de/mediathekview/mserver/crawler/kika/tasks/KikaApiFilmTask.java
index 99ae9b840..4d68062cc 100644
--- a/src/main/java/de/mediathekview/mserver/crawler/kika/tasks/KikaApiFilmTask.java
+++ b/src/main/java/de/mediathekview/mserver/crawler/kika/tasks/KikaApiFilmTask.java
@@ -27,7 +27,6 @@
 import de.mediathekview.mlib.daten.FilmUrl;
 import de.mediathekview.mlib.daten.GeoLocations;
 import de.mediathekview.mlib.daten.Resolution;
-import de.mediathekview.mlib.tool.FileSizeDeterminer;
 import de.mediathekview.mserver.base.utils.UrlUtils;
 import de.mediathekview.mserver.crawler.basic.AbstractCrawler;
 import de.mediathekview.mserver.crawler.basic.AbstractJsonRestTask;
diff --git a/src/test/java/de/mediathekview/mserver/crawler/CrawlerManagerImportFilmlistsTest.java b/src/test/java/de/mediathekview/mserver/crawler/CrawlerManagerImportFilmlistsTest.java
index 61859db92..6718b4afc 100644
--- a/src/test/java/de/mediathekview/mserver/crawler/CrawlerManagerImportFilmlistsTest.java
+++ b/src/test/java/de/mediathekview/mserver/crawler/CrawlerManagerImportFilmlistsTest.java
@@ -77,7 +77,7 @@ static Stream<Arguments> getTestArgumentForFilmlistsInDifferentFormats() {
   @ParameterizedTest
   @Execution(ExecutionMode.SAME_THREAD)
   @MethodSource("getTestArgumentForFilmlistsInDifferentFormats")
-  public void testSaveAndImport(final ImportFilmlistConfiguration initialList, final ImportFilmlistConfiguration additionalList,  final int expectedSize, final int expectedDiffListSize) {
+  void testSaveAndImport(final ImportFilmlistConfiguration initialList, final ImportFilmlistConfiguration additionalList,  final int expectedSize, final int expectedDiffListSize) {
     CrawlerManager crawlerManagerForEachRun = createEmptyCrawlerManager();
     crawlerManagerForEachRun.addMessageListener(this);
     crawlerManagerForEachRun.importFilmlist(initialList);