LUCENE-2020: Remove unused imports

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1052926 13f79535-47bb-0310-9956-ffa450edef68

lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/DemoHTMLParser.java

@@ -19,7 +19,6 @@ package org.apache.lucene.benchmark.byTask.feeds;
 
 import java.io.IOException;
 import java.io.Reader;
-import java.io.StringReader;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.util.Date;

lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/SearchWithCollectorTask.java

@@ -22,8 +22,6 @@ import org.apache.lucene.benchmark.byTask.utils.Config;
 import org.apache.lucene.search.Collector;
 import org.apache.lucene.search.TopScoreDocCollector;
 
-import java.io.IOException;
-
 /**
  * Does search w/ a custom collector
  */

lucene/contrib/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/CreateIndexTaskTest.java

@@ -19,20 +19,15 @@ package org.apache.lucene.benchmark.byTask.tasks;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.IOException;
 import java.io.PrintStream;
 import java.util.Properties;
 
 import org.apache.lucene.benchmark.BenchmarkTestCase;
 import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.benchmark.byTask.utils.Config;
-import org.apache.lucene.index.CorruptIndexException;
-import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.IndexWriterConfig.OpenMode;
 import org.apache.lucene.index.NoDeletionPolicy;
 import org.apache.lucene.index.NoMergePolicy;
 import org.apache.lucene.index.NoMergeScheduler;
-import org.apache.lucene.store.LockObtainFailedException;
 import org.apache.lucene.util.Version;
 
 

lucene/contrib/demo/src/java/org/apache/lucene/demo/FileDocument.java

@@ -19,7 +19,6 @@ package org.apache.lucene.demo;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileReader;
 import java.io.InputStreamReader;
 
 import org.apache.lucene.document.DateTools;

lucene/contrib/demo/src/java/org/apache/lucene/demo/SearchFiles.java

@@ -20,7 +20,6 @@ package org.apache.lucene.demo;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.Date;

lucene/contrib/instantiated/src/java/org/apache/lucene/store/instantiated/InstantiatedDocsAndPositionsEnum.java

@@ -19,7 +19,6 @@ package org.apache.lucene.store.instantiated;
 import org.apache.lucene.index.DocsAndPositionsEnum;
 import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
-import java.util.Arrays;
 
 public class InstantiatedDocsAndPositionsEnum extends DocsAndPositionsEnum {
   private int upto;

lucene/contrib/instantiated/src/java/org/apache/lucene/store/instantiated/InstantiatedIndexWriter.java

@@ -39,7 +39,6 @@ import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Fieldable;
 import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.index.TermVectorOffsetInfo;
 import org.apache.lucene.search.Similarity;

lucene/contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestEmptyIndex.java

@@ -18,8 +18,6 @@ package org.apache.lucene.store.instantiated;
 
 import java.io.IOException;
 import java.util.Arrays;
-import java.util.Random;
-
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;

lucene/contrib/misc/src/test/org/apache/lucene/misc/TestHighFreqTerms.java

@@ -17,8 +17,6 @@ package org.apache.lucene.misc;
  * limitations under the License.
  */
 
-import java.util.Random;
- 
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.util.BytesRef;

lucene/contrib/queries/src/test/org/apache/lucene/search/TermsFilterTest.java

@@ -18,8 +18,6 @@ package org.apache.lucene.search;
  */
 
 import java.util.HashSet;
-import java.util.Random;
-
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexReader;

lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/LowercaseExpandedTermsQueryNodeProcessor.java

@@ -21,7 +21,6 @@ import java.util.List;
 
 import org.apache.lucene.queryParser.core.QueryNodeException;
 import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
-import org.apache.lucene.queryParser.core.nodes.FieldQueryNode;
 import org.apache.lucene.queryParser.core.nodes.FuzzyQueryNode;
 import org.apache.lucene.queryParser.core.nodes.ParametricQueryNode;
 import org.apache.lucene.queryParser.core.nodes.QueryNode;

lucene/contrib/remote/src/test/org/apache/lucene/search/TestRemoteCachingWrapperFilter.java

@@ -31,8 +31,6 @@ import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 /**
  * Tests that the index is cached on the searcher side of things.
  */

lucene/contrib/remote/src/test/org/apache/lucene/search/TestRemoteSearchable.java

@@ -26,8 +26,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 import java.util.Collections;
 import java.util.Set;
 import java.util.HashSet;

lucene/contrib/remote/src/test/org/apache/lucene/search/TestRemoteSort.java

@@ -17,8 +17,6 @@ package org.apache.lucene.search;
  * limitations under the License.
  */
 
-import static org.junit.Assert.assertEquals;
-
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -30,7 +28,6 @@ import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.LogMergePolicy;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.BytesRef;

lucene/contrib/spatial/src/test/org/apache/lucene/spatial/geohash/TestGeoHashUtils.java

@@ -17,8 +17,6 @@
 
 package org.apache.lucene.spatial.geohash;
 
-import static junit.framework.Assert.*;
-
 import org.apache.lucene.util.LuceneTestCase;
 import org.junit.Test;
 

lucene/contrib/spatial/src/test/org/apache/lucene/spatial/geometry/TestDistanceUnits.java

@@ -1,7 +1,5 @@
 package org.apache.lucene.spatial.geometry;
 
-import static junit.framework.Assert.*;
-
 import org.apache.lucene.util.LuceneTestCase;
 import org.junit.Test;
 

lucene/contrib/spellchecker/src/java/org/apache/lucene/search/spell/SuggestWord.java

@@ -1,7 +1,5 @@
 package org.apache.lucene.search.spell;
 
-import java.util.Comparator;
-
 
 /**
  * Licensed to the Apache Software Foundation (ASF) under one or more

lucene/contrib/wordnet/src/test/org/apache/lucene/wordnet/TestSynonymTokenFilter.java

@@ -17,8 +17,6 @@ package org.apache.lucene.wordnet;
  * limitations under the License.
  */
 
-import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.Reader;
 
@@ -27,8 +25,6 @@ import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.core.LowerCaseFilter;
-import org.apache.lucene.analysis.core.WhitespaceTokenizer;
 
 public class TestSynonymTokenFilter extends BaseTokenStreamTestCase {
   final String testFile = "testSynonyms.txt";

lucene/src/java/org/apache/lucene/analysis/NumericTokenStream.java

@@ -19,7 +19,6 @@ package org.apache.lucene.analysis;
 
 import org.apache.lucene.util.Attribute;
 import org.apache.lucene.util.AttributeImpl;
-import org.apache.lucene.util.AttributeSource;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.NumericUtils;
 import org.apache.lucene.document.NumericField; // for javadocs

lucene/src/java/org/apache/lucene/queryParser/QueryParser.java

@@ -1,41 +1,18 @@
 /* Generated By:JavaCC: Do not edit this line. QueryParser.java */
 package org.apache.lucene.queryParser;
 
-import java.io.IOException;
 import java.io.StringReader;
-import java.text.Collator;
-import java.text.DateFormat;
 import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
-import java.util.Map;
 
 import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.CachingTokenFilter;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
-import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
 import org.apache.lucene.document.DateTools;
-import org.apache.lucene.index.Term;
 import org.apache.lucene.search.BooleanClause;
-import org.apache.lucene.search.BooleanQuery;
-import org.apache.lucene.search.FuzzyQuery;
-import org.apache.lucene.search.MultiTermQuery;
-import org.apache.lucene.search.MatchAllDocsQuery;
-import org.apache.lucene.search.MultiPhraseQuery;
-import org.apache.lucene.search.PhraseQuery;
-import org.apache.lucene.search.PrefixQuery;
-import org.apache.lucene.search.RegexpQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.TermRangeQuery;
 import org.apache.lucene.search.TermQuery;
-import org.apache.lucene.search.WildcardQuery;
-import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.Version;
-import org.apache.lucene.util.VirtualMethod;
 
 /**
  * This class is generated by JavaCC.  The most important method is
@@ -500,12 +477,6 @@ public class QueryParser extends QueryParserBase implements QueryParserConstants
     finally { jj_save(0, xla); }
   }
 
-  private boolean jj_3R_3() {
-    if (jj_scan_token(STAR)) return true;
-    if (jj_scan_token(COLON)) return true;
-    return false;
-  }
-
   private boolean jj_3R_2() {
     if (jj_scan_token(TERM)) return true;
     if (jj_scan_token(COLON)) return true;
@@ -522,6 +493,12 @@ public class QueryParser extends QueryParserBase implements QueryParserConstants
     return false;
   }
 
+  private boolean jj_3R_3() {
+    if (jj_scan_token(STAR)) return true;
+    if (jj_scan_token(COLON)) return true;
+    return false;
+  }
+
   /** Generated Token Manager. */
   public QueryParserTokenManager token_source;
   /** Current token. */

lucene/src/java/org/apache/lucene/queryParser/QueryParser.jj

@@ -25,41 +25,18 @@ PARSER_BEGIN(QueryParser)
 
 package org.apache.lucene.queryParser;
 
-import java.io.IOException;
 import java.io.StringReader;
-import java.text.Collator;
-import java.text.DateFormat;
 import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
-import java.util.Map;
 
 import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.CachingTokenFilter;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
-import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
 import org.apache.lucene.document.DateTools;
-import org.apache.lucene.index.Term;
 import org.apache.lucene.search.BooleanClause;
-import org.apache.lucene.search.BooleanQuery;
-import org.apache.lucene.search.FuzzyQuery;
-import org.apache.lucene.search.MultiTermQuery;
-import org.apache.lucene.search.MatchAllDocsQuery;
-import org.apache.lucene.search.MultiPhraseQuery;
-import org.apache.lucene.search.PhraseQuery;
-import org.apache.lucene.search.PrefixQuery;
-import org.apache.lucene.search.RegexpQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.TermRangeQuery;
 import org.apache.lucene.search.TermQuery;
-import org.apache.lucene.search.WildcardQuery;
-import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.Version;
-import org.apache.lucene.util.VirtualMethod;
 
 /**
  * This class is generated by JavaCC.  The most important method is

lucene/src/java/org/apache/lucene/queryParser/QueryParserBase.java

@@ -36,7 +36,7 @@ import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.Version;
 
 /** This class is overridden by QueryParser in QueryParser.jj
- * and acts to eparate the majority of the Java code from the .jj grammar file. 
+ * and acts to separate the majority of the Java code from the .jj grammar file. 
  */
 public abstract class QueryParserBase {
 

lucene/src/java/org/apache/lucene/queryParser/QueryParserTokenManager.java

@@ -1,39 +1,16 @@
 /* Generated By:JavaCC: Do not edit this line. QueryParserTokenManager.java */
 package org.apache.lucene.queryParser;
-import java.io.IOException;
 import java.io.StringReader;
-import java.text.Collator;
-import java.text.DateFormat;
 import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
-import java.util.Map;
 import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.CachingTokenFilter;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
-import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
 import org.apache.lucene.document.DateTools;
-import org.apache.lucene.index.Term;
 import org.apache.lucene.search.BooleanClause;
-import org.apache.lucene.search.BooleanQuery;
-import org.apache.lucene.search.FuzzyQuery;
-import org.apache.lucene.search.MultiTermQuery;
-import org.apache.lucene.search.MatchAllDocsQuery;
-import org.apache.lucene.search.MultiPhraseQuery;
-import org.apache.lucene.search.PhraseQuery;
-import org.apache.lucene.search.PrefixQuery;
-import org.apache.lucene.search.RegexpQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.TermRangeQuery;
 import org.apache.lucene.search.TermQuery;
-import org.apache.lucene.search.WildcardQuery;
-import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.Version;
-import org.apache.lucene.util.VirtualMethod;
 
 /** Token Manager. */
 public class QueryParserTokenManager implements QueryParserConstants

lucene/src/java/org/apache/lucene/search/BoostAttributeImpl.java

@@ -17,7 +17,6 @@ package org.apache.lucene.search;
  * limitations under the License.
  */
 
-import org.apache.lucene.util.Attribute;
 import org.apache.lucene.util.AttributeImpl;
 
 /** Implementation class for {@link BoostAttribute}.

lucene/src/java/org/apache/lucene/search/ExactPhraseScorer.java

@@ -21,7 +21,6 @@ import java.io.IOException;
 import java.util.Arrays;
 
 import org.apache.lucene.index.*;
-import org.apache.lucene.search.BooleanClause.Occur;
 
 final class ExactPhraseScorer extends Scorer {
   private final byte[] norms;

lucene/src/java/org/apache/lucene/search/MaxNonCompetitiveBoostAttributeImpl.java

@@ -17,7 +17,6 @@ package org.apache.lucene.search;
  * limitations under the License.
  */
 
-import org.apache.lucene.util.Attribute;
 import org.apache.lucene.util.AttributeImpl;
 import org.apache.lucene.util.BytesRef;
 

lucene/src/java/org/apache/lucene/search/PhraseScorer.java

@@ -19,8 +19,6 @@ package org.apache.lucene.search;
 
 import java.io.IOException;
 
-import org.apache.lucene.search.BooleanClause.Occur;
-
 /** Expert: Scoring functionality for phrase queries.
  * <br>A document is considered matching if it contains the phrase-query terms  
  * at "valid" positions. What "valid positions" are

lucene/src/java/org/apache/lucene/search/QueryTermVector.java

@@ -28,7 +28,6 @@ import java.util.Map;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
 import org.apache.lucene.index.TermFreqVector;
 import org.apache.lucene.util.ArrayUtil;

lucene/src/java/org/apache/lucene/search/ScoringRewrite.java

@@ -18,21 +18,12 @@ package org.apache.lucene.search;
  */
 
 import java.io.IOException;
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.PriorityQueue;
-import java.util.Comparator;
-
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.index.TermsEnum;
 import org.apache.lucene.search.MultiTermQuery.RewriteMethod;
 
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.AttributeSource;
 import org.apache.lucene.util.ByteBlockPool;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefHash;

lucene/src/java/org/apache/lucene/search/TermCollectingRewrite.java

@@ -18,7 +18,6 @@ package org.apache.lucene.search;
  */
 
 import java.io.IOException;
-import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Comparator;

lucene/src/java/org/apache/lucene/search/TermScorer.java

@@ -20,7 +20,6 @@ package org.apache.lucene.search;
 import java.io.IOException;
 
 import org.apache.lucene.index.DocsEnum;
-import org.apache.lucene.search.BooleanClause.Occur;
 
 /** Expert: A <code>Scorer</code> for documents matching a <code>Term</code>.
  */

lucene/src/java/org/apache/lucene/search/payloads/AveragePayloadFunction.java

@@ -1,6 +1,5 @@
 package org.apache.lucene.search.payloads;
 
-import java.io.IOException;
 import org.apache.lucene.search.Explanation;
 /**
  * Licensed to the Apache Software Foundation (ASF) under one or more

lucene/src/java/org/apache/lucene/search/spans/SpanNearPayloadCheckQuery.java

@@ -21,7 +21,6 @@ import org.apache.lucene.util.ToStringUtils;
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Iterator;
 
 
 /**

lucene/src/java/org/apache/lucene/store/DataInput.java

@@ -21,9 +21,6 @@ import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.RamUsageEstimator;
-
 /**
  * Abstract base class for performing read operations of Lucene's low-level
  * data types.

lucene/src/java/org/apache/lucene/store/FSDirectory.java

@@ -26,7 +26,6 @@ import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
 import java.util.Collection;
-import java.util.Collections;
 import static java.util.Collections.synchronizedSet;
 import java.util.HashSet;
 import java.util.Set;

lucene/src/java/org/apache/lucene/store/FileSwitchDirectory.java

@@ -21,7 +21,6 @@ import java.io.IOException;
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 import java.util.HashSet;

lucene/src/test/org/apache/lucene/analysis/MockTokenizer.java

@@ -21,7 +21,6 @@ import java.io.IOException;
 import java.io.Reader;
 
 import org.apache.lucene.util.Version;
-import org.apache.lucene.util.AttributeSource.AttributeFactory;
 import org.apache.lucene.util.automaton.CharacterRunAutomaton;
 import org.apache.lucene.util.automaton.RegExp;
 

lucene/src/test/org/apache/lucene/analysis/tokenattributes/TestCharTermAttributeImpl.java

@@ -23,7 +23,6 @@ import java.nio.CharBuffer;
 import java.util.Formatter;
 import java.util.Locale;
 import java.util.regex.Pattern;
-import java.util.Random;
 
 public class TestCharTermAttributeImpl extends LuceneTestCase {
 

lucene/src/test/org/apache/lucene/index/TestByteSlices.java

@@ -14,8 +14,6 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import java.util.concurrent.locks.ReentrantLock;
-
 import org.apache.lucene.util.ByteBlockPool;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.RecyclingByteBlockAllocator;

lucene/src/test/org/apache/lucene/index/TestIndexCommit.java

@@ -17,8 +17,6 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.io.IOException;
 import java.util.Collection;
 import java.util.Map;

lucene/src/test/org/apache/lucene/index/TestIndexWriterConfig.java

@@ -17,8 +17,6 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.io.IOException;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
@@ -32,7 +30,6 @@ import org.apache.lucene.index.IndexWriter.IndexReaderWarmer;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
 import org.apache.lucene.search.DefaultSimilarity;
 import org.apache.lucene.search.Similarity;
-import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.LuceneTestCase;
 import org.junit.Test;
 

lucene/src/test/org/apache/lucene/index/TestIsCurrent.java

@@ -18,13 +18,11 @@ package org.apache.lucene.index;
  */
 
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.util.*;
 import org.apache.lucene.store.*;
 
-import static org.junit.Assert.*;
 import org.junit.Test;
 
 import java.io.IOException;

lucene/src/test/org/apache/lucene/index/TestNRTThreads.java

@@ -45,9 +45,6 @@ import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util._TestUtil;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-import static org.junit.Assume.*;
-
 // TODO
 //   - mix in optimize, addIndexes
 //   - randomoly mix in non-congruent docs

lucene/src/test/org/apache/lucene/index/TestNoDeletionPolicy.java

@@ -17,17 +17,12 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.Arrays;
-import java.util.Random;
-
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.store.Directory;

lucene/src/test/org/apache/lucene/index/TestNoMergePolicy.java

@@ -17,8 +17,6 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;

lucene/src/test/org/apache/lucene/index/TestNoMergeScheduler.java

@@ -17,8 +17,6 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;

lucene/src/test/org/apache/lucene/index/TestParallelReaderEmptyIndex.java

@@ -25,7 +25,6 @@ import org.apache.lucene.util._TestUtil;
 
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.document.Field.TermVector;

lucene/src/test/org/apache/lucene/index/TestParallelTermEnum.java

@@ -22,7 +22,6 @@ import java.io.IOException;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.store.Directory;

lucene/src/test/org/apache/lucene/index/TestPersistentSnapshotDeletionPolicy.java

@@ -17,8 +17,6 @@ package org.apache.lucene.index;
  * the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.io.IOException;
 import java.util.Map;
 import java.util.Map.Entry;

lucene/src/test/org/apache/lucene/index/TestRollback.java

@@ -19,7 +19,6 @@ package org.apache.lucene.index;
 
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.store.Directory;

lucene/src/test/org/apache/lucene/index/TestSnapshotDeletionPolicy.java

@@ -1,17 +1,13 @@
 package org.apache.lucene.index;
 
-import static org.junit.Assert.*;
-
 import java.util.Collection;
 import java.util.Map;
 import java.util.Random;
-import java.io.File;
 import java.io.IOException;
 
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.store.Directory;
-import org.apache.lucene.store.FSDirectory;
 import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.index.IndexCommit;
@@ -21,7 +17,6 @@ import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.SnapshotDeletionPolicy;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.ThreadInterruptedException;
-import org.apache.lucene.util._TestUtil;
 import org.junit.Test;
 
 //

lucene/src/test/org/apache/lucene/index/TestStressIndexing.java

@@ -23,8 +23,6 @@ import org.apache.lucene.document.*;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
 import org.apache.lucene.search.*;
 
-import java.io.File;
-
 public class TestStressIndexing extends LuceneTestCase {
   private static abstract class TimedThread extends Thread {
     volatile boolean failed;

lucene/src/test/org/apache/lucene/index/TestThreadedOptimize.java

@@ -21,16 +21,13 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.store.Directory;
-import org.apache.lucene.store.FSDirectory;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
-import org.apache.lucene.util._TestUtil;
 import org.apache.lucene.util.English;
 
 import org.apache.lucene.util.LuceneTestCase;
 
-import java.io.File;
 import java.util.Random;
 
 public class TestThreadedOptimize extends LuceneTestCase {

lucene/src/test/org/apache/lucene/index/codecs/preflex/TestSurrogates.java

@@ -27,7 +27,6 @@ import org.apache.lucene.util.*;
 import java.util.*;
 import java.io.IOException;
 
-import static org.junit.Assert.*;
 import org.junit.Test;
 
 public class TestSurrogates extends LuceneTestCase {

lucene/src/test/org/apache/lucene/search/BaseTestRangeFilter.java

@@ -33,8 +33,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 public class BaseTestRangeFilter extends LuceneTestCase {
   
   public static final boolean F = false;

lucene/src/test/org/apache/lucene/search/MultiCollectorTest.java

@@ -17,8 +17,6 @@ package org.apache.lucene.search;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.io.IOException;
 
 import org.apache.lucene.index.IndexReader;

lucene/src/test/org/apache/lucene/search/TestBoolean2.java

@@ -37,8 +37,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 /** Test BooleanQuery2 against BooleanQuery by overriding the standard query parser.
  * This also tests the scoring order of BooleanQuery.
  */

lucene/src/test/org/apache/lucene/search/TestCachingSpanFilter.java

@@ -23,7 +23,6 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.LogMergePolicy;
 import org.apache.lucene.index.RandomIndexWriter;
 import org.apache.lucene.index.SerialMergeScheduler;
 import org.apache.lucene.index.Term;

lucene/src/test/org/apache/lucene/search/TestCachingWrapperFilter.java

@@ -23,7 +23,6 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.LogMergePolicy;
 import org.apache.lucene.index.RandomIndexWriter;
 import org.apache.lucene.index.SerialMergeScheduler;
 import org.apache.lucene.index.SlowMultiReaderWrapper;

lucene/src/test/org/apache/lucene/search/TestDocIdSet.java

@@ -25,7 +25,6 @@ import java.util.Iterator;
 import junit.framework.Assert;
 
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.index.IndexReader;

lucene/src/test/org/apache/lucene/search/TestFieldCacheRangeFilter.java

@@ -29,8 +29,6 @@ import org.apache.lucene.document.Field;
 import org.apache.lucene.store.Directory;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 /**
  * A basic 'positive' Unit test class for the FieldCacheRangeFilter class.
  *

lucene/src/test/org/apache/lucene/search/TestMultiSearcher.java

@@ -17,7 +17,6 @@ package org.apache.lucene.search;
  * limitations under the License.
  */
 
-import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;

lucene/src/test/org/apache/lucene/search/TestMultiTermConstantScore.java

@@ -29,8 +29,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 import java.io.IOException;
 import java.text.Collator;
 import java.util.Locale;

lucene/src/test/org/apache/lucene/search/TestNumericRangeQuery32.java

@@ -36,7 +36,6 @@ import org.apache.lucene.util._TestUtil;
 import org.junit.Test;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
-import static org.junit.Assert.*;
 
 public class TestNumericRangeQuery32 extends LuceneTestCase {
   // distance of entries

lucene/src/test/org/apache/lucene/search/TestNumericRangeQuery64.java

@@ -33,7 +33,6 @@ import org.apache.lucene.util._TestUtil;
 import org.junit.Test;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
-import static org.junit.Assert.*;
 
 public class TestNumericRangeQuery64 extends LuceneTestCase {
   // distance of entries

lucene/src/test/org/apache/lucene/search/TestQueryWrapperFilter.java

@@ -18,7 +18,6 @@ package org.apache.lucene.search;
  */
 
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Field.Index;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.index.IndexReader;

lucene/src/test/org/apache/lucene/search/TestSort.java

@@ -25,7 +25,6 @@ import java.util.BitSet;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Locale;
-import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
@@ -37,7 +36,6 @@ import org.apache.lucene.index.CorruptIndexException;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.IndexWriterConfig;
-import org.apache.lucene.index.LogMergePolicy;
 import org.apache.lucene.index.RandomIndexWriter;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.util.BytesRef;

lucene/src/test/org/apache/lucene/search/TestSubScorerFreqs.java

@@ -31,8 +31,6 @@ import org.junit.Test;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 
-import static org.junit.Assert.*;
-
 public class TestSubScorerFreqs extends LuceneTestCase {
 
   private static Directory dir;

lucene/src/test/org/apache/lucene/search/TestTermRangeFilter.java

@@ -29,8 +29,6 @@ import org.apache.lucene.document.Field;
 import org.apache.lucene.store.Directory;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 /**
  * A basic 'positive' Unit test class for the TermRangeFilter class.
  * 

lucene/src/test/org/apache/lucene/search/function/TestCustomScoreQuery.java

@@ -21,9 +21,6 @@ import org.apache.lucene.queryParser.QueryParser;
 import org.apache.lucene.queryParser.ParseException;
 import org.apache.lucene.search.*;
 import org.junit.Test;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;

lucene/src/test/org/apache/lucene/search/function/TestDocValues.java

@@ -19,8 +19,6 @@ package org.apache.lucene.search.function;
 
 import org.apache.lucene.util.LuceneTestCase;
 import org.junit.Test;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
 
 /**
  * DocValues TestCase  

lucene/src/test/org/apache/lucene/search/function/TestFieldScoreQuery.java

@@ -26,7 +26,6 @@ import org.apache.lucene.search.QueryUtils;
 import org.apache.lucene.search.ScoreDoc;
 import org.apache.lucene.search.TopDocs;
 import org.junit.Test;
-import static org.junit.Assert.*;
 
 /**
  * Test FieldScoreQuery search.

lucene/src/test/org/apache/lucene/search/function/TestOrdValues.java

@@ -20,7 +20,6 @@ package org.apache.lucene.search.function;
 import org.apache.lucene.index.CorruptIndexException;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.search.*;
-import static org.junit.Assert.*;
 import org.junit.Test;
 
 /**

lucene/src/test/org/apache/lucene/search/spans/TestBasics.java

@@ -48,8 +48,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 /**
  * Tests basic search capabilities.
  *

lucene/src/test/org/apache/lucene/store/TestBufferedIndexInput.java

@@ -32,7 +32,6 @@ import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.IndexWriterConfig;
-import org.apache.lucene.index.LogMergePolicy;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
 import org.apache.lucene.search.IndexSearcher;

lucene/src/test/org/apache/lucene/store/TestCopyBytes.java

@@ -22,7 +22,6 @@ import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util._TestUtil;
 
 import org.junit.Test;
-import static org.junit.Assert.*;
 
 public class TestCopyBytes extends LuceneTestCase {
 

lucene/src/test/org/apache/lucene/store/TestFileSwitchDirectory.java

@@ -26,7 +26,6 @@ import org.apache.lucene.index.IndexFileNames;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.IndexWriterConfig;
-import org.apache.lucene.index.LogMergePolicy;
 import org.apache.lucene.index.TestIndexWriterReader;
 import org.apache.lucene.util.LuceneTestCase;
 

lucene/src/test/org/apache/lucene/util/TestCharacterUtils.java

@@ -17,9 +17,6 @@ package org.apache.lucene.util;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-import static org.apache.lucene.util.LuceneTestCase.TEST_VERSION_CURRENT;
-
 import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;

lucene/src/test/org/apache/lucene/util/TestRecyclingByteBlockAllocator.java

@@ -2,11 +2,8 @@ package org.apache.lucene.util;
 
 import java.util.ArrayList;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicLong;
-import java.util.concurrent.locks.ReentrantLock;
-
 import org.junit.Before;
 import org.junit.Test;
 

lucene/src/test/org/apache/lucene/util/TestSetOnce.java

@@ -17,8 +17,6 @@ package org.apache.lucene.util;
  * limitations under the License.
  */
 
-import static org.junit.Assert.*;
-
 import java.util.Random;
 
 import org.apache.lucene.util.SetOnce.AlreadySetException;

modules/analysis/common/src/java/org/apache/lucene/analysis/ar/ArabicAnalyzer.java

@@ -17,10 +17,8 @@ package org.apache.lucene.analysis.ar;
  * limitations under the License.
  */
 
-import java.io.File;
 import java.io.IOException;
 import java.io.Reader;
-import java.util.Hashtable;
 import java.util.Set;
 
 import org.apache.lucene.analysis.Analyzer;
@@ -30,7 +28,6 @@ import org.apache.lucene.analysis.miscellaneous.KeywordMarkerFilter;
 import org.apache.lucene.analysis.standard.StandardTokenizer;
 import org.apache.lucene.analysis.util.CharArraySet;
 import org.apache.lucene.analysis.util.StopwordAnalyzerBase;
-import org.apache.lucene.analysis.util.WordlistLoader;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.util.Version;

modules/analysis/common/src/java/org/apache/lucene/analysis/commongrams/CommonGramsFilter.java

@@ -10,7 +10,6 @@
 package org.apache.lucene.analysis.commongrams;
 
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.Set;
 
 import org.apache.lucene.analysis.TokenFilter;

modules/analysis/common/src/java/org/apache/lucene/analysis/compound/hyphenation/PatternParser.java

@@ -29,7 +29,6 @@ import org.xml.sax.Attributes;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
-import java.io.StringReader;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
 

modules/analysis/common/src/java/org/apache/lucene/analysis/core/StopAnalyzer.java

@@ -26,10 +26,8 @@ import java.util.List;
 
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.analysis.util.CharArraySet;
-import org.apache.lucene.analysis.util.ReusableAnalyzerBase;
 import org.apache.lucene.analysis.util.StopwordAnalyzerBase;
 import org.apache.lucene.analysis.util.WordlistLoader;
-import org.apache.lucene.analysis.util.ReusableAnalyzerBase.TokenStreamComponents;
 import org.apache.lucene.util.Version;
 
 /** Filters {@link LetterTokenizer} with {@link LowerCaseFilter} and {@link StopFilter}.

modules/analysis/common/src/java/org/apache/lucene/analysis/cz/CzechAnalyzer.java

@@ -32,8 +32,6 @@ import org.apache.lucene.analysis.util.WordlistLoader;
 import org.apache.lucene.util.Version;
 
 import java.io.*;
-import java.util.Collections;
-import java.util.HashSet;
 import java.util.Set;
 
 /**

modules/analysis/common/src/java/org/apache/lucene/analysis/fr/FrenchAnalyzer.java

@@ -32,13 +32,9 @@ import org.apache.lucene.analysis.util.StopwordAnalyzerBase;
 import org.apache.lucene.analysis.util.WordlistLoader;
 import org.apache.lucene.util.Version;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.Reader;
 import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Collections;
-import java.util.Map;
 import java.util.Set;
 
 /**

modules/analysis/common/src/java/org/apache/lucene/analysis/fr/FrenchStemFilter.java

@@ -25,9 +25,6 @@ import org.apache.lucene.analysis.tokenattributes.KeywordAttribute;
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 
 import java.io.IOException;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
 
 /**
  * A {@link TokenFilter} that stems french words. 

modules/analysis/common/src/java/org/apache/lucene/analysis/nl/DutchAnalyzer.java

@@ -38,7 +38,6 @@ import java.io.IOException;
 import java.io.Reader;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.Set;
 import java.util.Map;
 

modules/analysis/common/src/java/org/apache/lucene/analysis/standard/ClassicTokenizerImpl.java

@@ -26,7 +26,6 @@ WARNING: if you change ClassicTokenizerImpl.jflex and need to regenerate
 
 */
 
-import java.io.Reader;
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 
 

modules/analysis/common/src/test/org/apache/lucene/analysis/commongrams/CommonGramsFilterTest.java

@@ -19,8 +19,6 @@ package org.apache.lucene.analysis.commongrams;
 import java.io.Reader;
 import java.io.StringReader;
 import java.util.Arrays;
-import java.util.Set;
-
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.TokenFilter;

modules/analysis/common/src/test/org/apache/lucene/analysis/compound/TestCompoundWordTokenFilter.java

@@ -17,7 +17,6 @@ package org.apache.lucene.analysis.compound;
  * limitations under the License.
  */
 
-import java.io.Reader;
 import java.io.StringReader;
 import org.xml.sax.InputSource;
 

modules/analysis/common/src/test/org/apache/lucene/analysis/cz/TestCzechAnalyzer.java

@@ -17,11 +17,7 @@ package org.apache.lucene.analysis.cz;
  * limitations under the License.
  */
 
-import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.InputStream;
-
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.util.CharArraySet;

modules/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestLimitTokenCountAnalyzer.java

@@ -24,7 +24,6 @@ import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.core.WhitespaceAnalyzer;
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
-import org.apache.lucene.util.Version;
 
 public class TestLimitTokenCountAnalyzer extends BaseTokenStreamTestCase {
 

modules/analysis/smartcn/src/test/org/apache/lucene/analysis/cn/smart/TestSmartChineseAnalyzer.java

@@ -17,15 +17,8 @@
 
 package org.apache.lucene.analysis.cn.smart;
 
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.Reader;
-import java.io.UnsupportedEncodingException;
-import java.util.Date;
-
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.util.Version;
 
 public class TestSmartChineseAnalyzer extends BaseTokenStreamTestCase {

modules/analysis/stempel/src/java/org/apache/lucene/analysis/pl/PolishAnalyzer.java

@@ -18,7 +18,6 @@ package org.apache.lucene.analysis.pl;
  */
 
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.Reader;
 import java.util.Set;
 

solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/ClusteringComponent.java

@@ -24,14 +24,10 @@ import org.apache.solr.common.util.NamedList;
 import org.apache.solr.core.SolrCore;
 import org.apache.solr.core.SolrResourceLoader;
 import org.apache.solr.handler.clustering.carrot2.CarrotClusteringEngine;
-import org.apache.solr.handler.clustering.carrot2.CarrotParams;
 import org.apache.solr.handler.component.ResponseBuilder;
 import org.apache.solr.handler.component.SearchComponent;
 import org.apache.solr.handler.component.ShardRequest;
-import org.apache.solr.request.SolrQueryRequest;
 import org.apache.solr.search.DocListAndSet;
-import org.apache.solr.search.SolrIndexSearcher;
-import org.apache.solr.util.SolrPluginUtils;
 import org.apache.solr.util.plugin.SolrCoreAware;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/DocumentClusteringEngine.java

@@ -18,10 +18,7 @@ package org.apache.solr.handler.clustering;
 
 import org.apache.solr.common.util.NamedList;
 import org.apache.solr.common.params.SolrParams;
-import org.apache.solr.core.SolrCore;
-import org.apache.solr.search.DocList;
 import org.apache.solr.search.DocSet;
-import org.apache.lucene.search.Query;
 
 
 /**

solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/carrot2/CarrotParams.java

@@ -3,7 +3,6 @@ package org.apache.solr.handler.clustering.carrot2;
 import java.util.Set;
 
 import com.google.common.collect.ImmutableSet;
-import org.apache.solr.common.params.HighlightParams;
 
 /**
  * Licensed to the Apache Software Foundation (ASF) under one or more

solr/contrib/clustering/src/test/java/org/apache/solr/handler/clustering/AbstractClusteringTestCase.java

@@ -19,8 +19,6 @@ package org.apache.solr.handler.clustering;
 import org.apache.solr.SolrTestCaseJ4;
 import org.junit.BeforeClass;
 
-import static org.junit.Assert.*;
-
 
 /**
  *

solr/contrib/clustering/src/test/java/org/apache/solr/handler/clustering/ClusteringComponentTest.java

@@ -29,8 +29,6 @@ import org.apache.solr.response.SolrQueryResponse;
 import org.apache.solr.request.SolrRequestHandler;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 /**
  *
  *