diff --git a/src/plugin/index-replace/src/java/org/apache/nutch/indexer/replace/ReplaceIndexer.java b/src/plugin/index-replace/src/java/org/apache/nutch/indexer/replace/ReplaceIndexer.java
index 2a6acf24ea..503310a938 100644
--- a/src/plugin/index-replace/src/java/org/apache/nutch/indexer/replace/ReplaceIndexer.java
+++ b/src/plugin/index-replace/src/java/org/apache/nutch/indexer/replace/ReplaceIndexer.java
@@ -85,7 +85,7 @@
  */
 public class ReplaceIndexer implements IndexingFilter {
 
-	private static final Logger LOG = LoggerFactory
+  private static final Logger LOG = LoggerFactory
 		      .getLogger(MethodHandles.lookup().lookupClass());
 
   /** Special field name signifying the start of a host-specific match set */
diff --git a/src/plugin/parse-metatags/src/java/org/apache/nutch/parse/metatags/MetaTagsParser.java b/src/plugin/parse-metatags/src/java/org/apache/nutch/parse/metatags/MetaTagsParser.java
index 1e9a0c5b91..51bf25ca13 100644
--- a/src/plugin/parse-metatags/src/java/org/apache/nutch/parse/metatags/MetaTagsParser.java
+++ b/src/plugin/parse-metatags/src/java/org/apache/nutch/parse/metatags/MetaTagsParser.java
@@ -41,7 +41,7 @@
  */
 public class MetaTagsParser implements HtmlParseFilter {
 
-	private static final Logger LOG = LoggerFactory
+  private static final Logger LOG = LoggerFactory
 		      .getLogger(MethodHandles.lookup().lookupClass());
 
   private Configuration conf;
diff --git a/src/plugin/parse-tika/src/java/org/apache/nutch/parse/tika/BoilerpipeExtractorRepository.java b/src/plugin/parse-tika/src/java/org/apache/nutch/parse/tika/BoilerpipeExtractorRepository.java
index beb436d256..23e8ddb24e 100644
--- a/src/plugin/parse-tika/src/java/org/apache/nutch/parse/tika/BoilerpipeExtractorRepository.java
+++ b/src/plugin/parse-tika/src/java/org/apache/nutch/parse/tika/BoilerpipeExtractorRepository.java
@@ -25,37 +25,37 @@
 
 class BoilerpipeExtractorRepository {
 
-	private static final Logger LOG = LoggerFactory
+  private static final Logger LOG = LoggerFactory
 		      .getLogger(MethodHandles.lookup().lookupClass());
-    public static final HashMap<String, BoilerpipeExtractor> extractorRepository = new HashMap<>();
+  public static final HashMap<String, BoilerpipeExtractor> extractorRepository = new HashMap<>();
  
     /**
      * Returns an instance of the specified extractor
      */
-    public static synchronized BoilerpipeExtractor getExtractor(String boilerpipeExtractorName) {
+  public static synchronized BoilerpipeExtractor getExtractor(String boilerpipeExtractorName) {
       // Check if there's no instance of this extractor
-      if (!extractorRepository.containsKey(boilerpipeExtractorName)) {
+    if (!extractorRepository.containsKey(boilerpipeExtractorName)) {
         // FQCN
-        boilerpipeExtractorName = "de.l3s.boilerpipe.extractors." + boilerpipeExtractorName;
+      boilerpipeExtractorName = "de.l3s.boilerpipe.extractors." + boilerpipeExtractorName;
 
         // Attempt to load the class
-        try {
-          ClassLoader loader = BoilerpipeExtractor.class.getClassLoader();
-          Class extractorClass = loader.loadClass(boilerpipeExtractorName);
+      try {
+        ClassLoader loader = BoilerpipeExtractor.class.getClassLoader();
+        Class extractorClass = loader.loadClass(boilerpipeExtractorName);
 
           // Add an instance to the repository
-          extractorRepository.put(boilerpipeExtractorName, (BoilerpipeExtractor)extractorClass.getConstructor().newInstance());
-
-        } catch (ClassNotFoundException e) {
-          LOG.error("BoilerpipeExtractor " + boilerpipeExtractorName + " not found!");
-        } catch (InstantiationException e) {
-          LOG.error("Could not instantiate " + boilerpipeExtractorName);
-        } catch (Exception e) {
-          LOG.error(e.getLocalizedMessage());
-        }
+        extractorRepository.put(boilerpipeExtractorName, (BoilerpipeExtractor)extractorClass.getConstructor().newInstance());
+
+      } catch (ClassNotFoundException e) {
+        LOG.error("BoilerpipeExtractor " + boilerpipeExtractorName + " not found!");
+      } catch (InstantiationException e) {
+        LOG.error("Could not instantiate " + boilerpipeExtractorName);
+      } catch (Exception e) {
+        LOG.error(e.getLocalizedMessage());
       }
-
-      return extractorRepository.get(boilerpipeExtractorName);
     }
 
+    return extractorRepository.get(boilerpipeExtractorName);
+  }
+
 }