Fix some javadoc comments

- Remove a dangling comment
- Delete half-documented parameters
- Fix some @see/@link

airsonic-main/src/main/java/org/airsonic/player/service/InternetRadioService.java

@@ -129,7 +129,6 @@ public class InternetRadioService {
      *
      * @param radio an internet radio
      * @return a list of internet radio sources
-     * @throws Exception
      */
     private List<InternetRadioSource> retrieveInternetRadioSources(InternetRadio radio) throws Exception {
         return retrieveInternetRadioSources(
@@ -148,7 +147,6 @@ public class InternetRadioService {
      * @param maxByteSize maximum size of the response, in bytes, or 0 if unlimited
      * @param maxRedirects maximum number of redirects, or 0 if unlimited
      * @return a list of internet radio sources
-     * @throws Exception
      */
     private List<InternetRadioSource> retrieveInternetRadioSources(InternetRadio radio, int maxCount, long maxByteSize, int maxRedirects) throws Exception {
         // Retrieve the remote playlist

airsonic-main/src/main/java/org/airsonic/player/service/search/IndexManager.java

@@ -163,12 +163,6 @@ public class IndexManager {
         }
     }
 
-    /**
-     * 
-     * @param indexType
-     * @return
-     * @throws IOException
-     */
     private IndexWriter createIndexWriter(IndexType indexType) throws IOException {
         File indexDirectory = getIndexDirectory.apply(indexType);
         IndexWriterConfig config = new IndexWriterConfig(analyzerFactory.getAnalyzer());
@@ -234,7 +228,6 @@ public class IndexManager {
 
     /**
      * Close Writer of specified index and refresh SearcherManager.
-     * @param type
      */
     private void stopIndexing(IndexType type) {
 
@@ -268,9 +261,6 @@ public class IndexManager {
      * Return the IndexSearcher of the specified index.
      * At initial startup, it may return null
      * if the user performs any search before performing a scan.
-     * 
-     * @param indexType
-     * @return
      */
     public @Nullable IndexSearcher getSearcher(IndexType indexType) {
         if (!searchers.containsKey(indexType)) {

airsonic-main/src/main/java/org/airsonic/player/service/search/IndexType.java

@@ -91,7 +91,6 @@ public enum IndexType {
      * 
      * @param k Field name defined by FieldNames
      * @param v Boost value
-     * @return
      */
     private static final SimpleEntry<String, Float> entry(String k, float v) {
         return new AbstractMap.SimpleEntry<>(k, v);
@@ -101,9 +100,6 @@ public enum IndexType {
      * Defines the field that the input value is to search for
      * when searching IndexType.
      * If you specify multiple values, list the field names.
-     * 
-     * @param names
-     * @return
      */
     private static final String[] fieldNames(String... names) {
         return Arrays.stream(names).toArray(String[]::new);
@@ -123,7 +119,7 @@ public enum IndexType {
      * 
      * @return Map of fields and boost values
      * @since legacy
-     * @see BoostQuery
+     * @see org.apache.lucene.search.BoostQuery
      */
     public Map<String, Float> getBoosts() {
         return boosts;

airsonic-main/src/main/java/org/airsonic/player/service/search/QueryFactory.java

@@ -184,10 +184,6 @@ public class QueryFactory {
     /**
      * Query generation expression extracted from
      * {@link org.airsonic.player.service.SearchService#getRandomSongs(RandomSearchCriteria)}.
-     * 
-     * @param criteria criteria
-     * @return Query
-     * @throws IOException 
      */
     public Query getRandomSongs(RandomSearchCriteria criteria) throws IOException {
 

airsonic-main/src/main/java/org/airsonic/player/service/search/SearchServiceImpl.java

@@ -95,11 +95,7 @@ public class SearchServiceImpl implements SearchService {
      * Common processing of random method.
      * 
      * @param count Number of albums to return.
-     * @param searcher
-     * @param query
      * @param id2ListCallBack Callback to get D from id and store it in List
-     * @return result
-     * @throws IOException
      */
     private final <D> List<D> createRandomDocsList(
             int count, IndexSearcher searcher, Query query, BiConsumer<List<D>, Integer> id2ListCallBack)

airsonic-main/src/test/java/org/airsonic/player/service/search/AbstractAirsonicHomeTest.java

@@ -29,7 +29,7 @@ import org.springframework.test.context.junit4.rules.SpringMethodRule;
         "/applicationContext-testdb.xml"})
 @DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
 @Component
-/**
+/*
  * Abstract class for scanning MusicFolder.
  */
 public abstract class AbstractAirsonicHomeTest implements AirsonicHomeTest {

airsonic-main/src/test/java/org/airsonic/player/service/search/AnalyzerFactoryTestCase.java

@@ -156,7 +156,7 @@ public class AnalyzerFactoryTestCase {
     /**
      * Detailed tests on Stopward.
      * 
-     * @see org.apache.lucene.analysis.StopAnalyzer#ENGLISH_STOP_WORDS_SET
+     * @see org.apache.lucene.analysis.core.StopAnalyzer#ENGLISH_STOP_WORDS_SET
      */
     @Test
     public void testStopward() {