[英]import org.apache.lucene.analysis.SimpleAnalyzer symbol not found error in Apache lucene
大家好,我正在嘗試在日志解析器項目中使用Apache Lucene。 現在我已經使用了下面的代碼,但是我無法導入org.apache.lucene.analysis.SimpleAnalyzer我已經包含了lucene4.1 jar
/*
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* and open the template in the editor.
*/
package logsearchengine;
import java.io.File;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.FSDirectory;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.FSDirectory;
/**
*
* @author maclean
*/
public class LogSearchEngine {
private int index(File indexDir, File dataDir, String suffix) throws Exception {
IndexWriter indexWriter = new IndexWriter(FSDirectory.open(indexDir), new SimpleAnalyzer(),true,IndexWriter.MaxFieldLength.LIMITED);
indexWriter.setUseCompoundFile(false);
indexDirectory(indexWriter, dataDir, suffix);
int numIndexed = indexWriter.maxDoc();
indexWriter.optimize();
indexWriter.close();
return numIndexed;
}
private void indexDirectory(IndexWriter indexWriter, File dataDir,
String suffix) throws IOException {
File[] files = dataDir.listFiles();
for (int i = 0; i < files.length; i++) {
File f = files[i];
if (f.isDirectory()) {
indexDirectory(indexWriter, f, suffix);
}
else {
indexFileWithIndexWriter(indexWriter, f, suffix);
}
}
}
private void indexFileWithIndexWriter(IndexWriter indexWriter, File f,
String suffix) throws IOException {
if (f.isHidden() || f.isDirectory() || !f.canRead() || !f.exists()) {
return;
}
if (suffix!=null && !f.getName().endsWith(suffix)) {
return;
}
System.out.println("Indexing file " + f.getCanonicalPath());
Document doc = new Document();
doc.add(new Field("contents", new FileReader(f)));
doc.add(new Field("filename", f.getCanonicalPath(),
Field.Store.YES, Field.Index.ANALYZED));
indexWriter.addDocument(doc);
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
File indexDir = new File("C:/index/");
File dataDir = new File("C:/programs/eclipse/workspace/");
String suffix = "java";
SimpleFileIndexer indexer = new SimpleFileIndexer();
int numIndex = indexer.index(indexDir, dataDir, suffix);
System.out.println("Total files indexed " + numIndex);
}
}
我僅添加了一個jar文件,即lucene-core-4.1.0.jar。 我無法導入樣本分析器,因此無法創建索引編寫器。 我想念什么。 我是Lucene的新手
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