diff --git a/airsonic-main/src/main/java/org/airsonic/player/domain/PlayQueue.java b/airsonic-main/src/main/java/org/airsonic/player/domain/PlayQueue.java
index f6c05cd5..3b1deaa1 100644
--- a/airsonic-main/src/main/java/org/airsonic/player/domain/PlayQueue.java
+++ b/airsonic-main/src/main/java/org/airsonic/player/domain/PlayQueue.java
@@ -311,17 +311,7 @@ public class PlayQueue {
      * @param index The playlist index.
      */
     public synchronized void moveUp(int index) {
-        makeBackup();
-        if (index <= 0 || index >= size()) {
-            return;
-        }
-        Collections.swap(files, index, index - 1);
-
-        if (this.index == index) {
-            this.index--;
-        } else if (this.index == index - 1) {
-            this.index++;
-        }
+        moveDown(index - 1);
     }
 
     /**
diff --git a/airsonic-main/src/main/java/org/airsonic/player/service/metadata/JaudiotaggerParser.java b/airsonic-main/src/main/java/org/airsonic/player/service/metadata/JaudiotaggerParser.java
index 14a6191d..f905d693 100644
--- a/airsonic-main/src/main/java/org/airsonic/player/service/metadata/JaudiotaggerParser.java
+++ b/airsonic-main/src/main/java/org/airsonic/player/service/metadata/JaudiotaggerParser.java
@@ -219,42 +219,27 @@ public class JaudiotaggerParser extends MetaDataParser {
      * track numbers on the form "4/12".
      */
     private Integer parseTrackNumber(String trackNumber) {
-        if (trackNumber == null) {
-            return null;
-        }
-
-        Integer result = null;
-
-        try {
-            result = Integer.valueOf(trackNumber);
-        } catch (NumberFormatException x) {
-            Matcher matcher = TRACK_NUMBER_PATTERN.matcher(trackNumber);
-            if (matcher.matches()) {
-                try {
-                    result = Integer.valueOf(matcher.group(1));
-                } catch (NumberFormatException e) {
-                    return null;
-                }
-            }
-        }
-
-        if (Integer.valueOf(0).equals(result)) {
-            return null;
-        }
-        return result;
+        return parseIntegerPattern(trackNumber, TRACK_NUMBER_PATTERN);
     }
 
     private Integer parseYear(String year) {
-        if (year == null) {
+        return parseIntegerPattern(year, YEAR_NUMBER_PATTERN);
+    }
+
+    private Integer parseIntegerPattern(String str, Pattern pattern) {
+        if (str == null) {
             return null;
         }
 
         Integer result = null;
 
         try {
-            result = Integer.valueOf(year);
+            result = Integer.valueOf(str);
         } catch (NumberFormatException x) {
-            Matcher matcher = YEAR_NUMBER_PATTERN.matcher(year);
+            if (pattern == null) {
+                return null;
+            }
+            Matcher matcher = pattern.matcher(str);
             if (matcher.matches()) {
                 try {
                     result = Integer.valueOf(matcher.group(1));
@@ -272,18 +257,7 @@ public class JaudiotaggerParser extends MetaDataParser {
 
     private Integer parseInteger(String s) {
         s = StringUtils.trimToNull(s);
-        if (s == null) {
-            return null;
-        }
-        try {
-            Integer result = Integer.valueOf(s);
-            if (Integer.valueOf(0).equals(result)) {
-                return null;
-            }
-            return result;
-        } catch (NumberFormatException x) {
-            return null;
-        }
+        return parseIntegerPattern(s, null);
     }
 
     /**
diff --git a/airsonic-main/src/main/java/org/airsonic/player/service/search/SearchServiceUtilities.java b/airsonic-main/src/main/java/org/airsonic/player/service/search/SearchServiceUtilities.java
index db6ef4d9..fa790fde 100644
--- a/airsonic-main/src/main/java/org/airsonic/player/service/search/SearchServiceUtilities.java
+++ b/airsonic-main/src/main/java/org/airsonic/player/service/search/SearchServiceUtilities.java
@@ -138,7 +138,7 @@ public class SearchServiceUtilities {
 
     public final boolean addIgnoreNull(Collection<?> collection, IndexType indexType,
             int subjectId) {
-        if (indexType == IndexType.ALBUM | indexType == IndexType.SONG) {
+        if (indexType == IndexType.ALBUM || indexType == IndexType.SONG) {
             return addIgnoreNull(collection, mediaFileService.getMediaFile(subjectId));
         } else if (indexType == IndexType.ALBUM_ID3) {
             return addIgnoreNull(collection, albumDao.getAlbum(subjectId));
@@ -163,8 +163,8 @@ public class SearchServiceUtilities {
     public final void addIfAnyMatch(SearchResult dist, IndexType subjectIndexType,
             Document subject) {
         int documentId = getId.apply(subject);
-        if (subjectIndexType == IndexType.ARTIST | subjectIndexType == IndexType.ALBUM
-                | subjectIndexType == IndexType.SONG) {
+        if (subjectIndexType == IndexType.ARTIST || subjectIndexType == IndexType.ALBUM
+                || subjectIndexType == IndexType.SONG) {
             addMediaFileIfAnyMatch.accept(dist.getMediaFiles(), documentId);
         } else if (subjectIndexType == IndexType.ARTIST_ID3) {
             addArtistId3IfAnyMatch.accept(dist.getArtists(), documentId);
diff --git a/airsonic-main/src/main/java/org/airsonic/player/spring/RegisterPrecompiledJSPInitializer.java b/airsonic-main/src/main/java/org/airsonic/player/spring/RegisterPrecompiledJSPInitializer.java
index 81e5e4c2..ec93db79 100644
--- a/airsonic-main/src/main/java/org/airsonic/player/spring/RegisterPrecompiledJSPInitializer.java
+++ b/airsonic-main/src/main/java/org/airsonic/player/spring/RegisterPrecompiledJSPInitializer.java
@@ -59,14 +59,13 @@ public class RegisterPrecompiledJSPInitializer implements ServletContextInitiali
                         precompiledJspWebXml),
                 IOUtils.toInputStream("</web-app>", Charset.defaultCharset()));
 
-        JAXBContext jaxbContext;
         try {
-            jaxbContext = new JAXBDataBinding(WebApp.class).getContext();
+            JAXBContext jaxbContext = new JAXBDataBinding(WebApp.class).getContext();
             Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
             WebApp webapp = (WebApp) unmarshaller.unmarshal(webXmlIS);
             try {
                 webXmlIS.close();
-            } catch (java.io.IOException e) {}
+            } catch (java.io.IOException ignored) {}
             return webapp;
         } catch (JAXBException e) {
             throw new RuntimeException("Could not parse precompiled-jsp-web.xml", e);