Examples of org.apache.lucene.index.CheckIndex

org.apache.lucene.index.CheckIndex
Basic tool and API to check the health of an index and write a new segments file that removes reference to problematic segments.
As this tool checks every byte in the index, on a large index it can take quite a long time to run.
WARNING: this tool and API is new and experimental and is subject to suddenly change in the next release. Please make a complete backup of your index before using this to fix your index!

      Directory directory = directoryProvider.getDirectory();


      out.println( "directory : " + directory.toString() );
      out.println( "" );


      CheckIndex checkIndex = new CheckIndex( directory );
      checkIndex.setInfoStream( out );
      Status status;
      try {
        status = checkIndex.checkIndex();
      }
      catch (IOException e) {
        throw new RuntimeException( e );
      }

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static boolean checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static boolean checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static boolean checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else

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    return checkIndex(dir, true);
  }


  public static CheckIndex.Status checkIndex(Directory dir, boolean crossCheckTermVectors) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
    CheckIndex checker = new CheckIndex(dir);
    checker.setCrossCheckTermVectors(crossCheckTermVectors);
    checker.setInfoStream(new PrintStream(bos, false, IOUtils.UTF_8), false);
    CheckIndex.Status indexStatus = checker.checkIndex(null);
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString(IOUtils.UTF_8));
      throw new RuntimeException("CheckIndex failed");
    } else {

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static CheckIndex.Status checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else {

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static CheckIndex.Status checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else {

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static CheckIndex.Status checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else {

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   *  issues are hit, a RuntimeException is thrown; else,
   *  true is returned. */
  public static CheckIndex.Status checkIndex(Directory dir) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);


    CheckIndex checker = new CheckIndex(dir);
    checker.setInfoStream(new PrintStream(bos));
    CheckIndex.Status indexStatus = checker.checkIndex();
    if (indexStatus == null || indexStatus.clean == false) {
      System.out.println("CheckIndex failed");
      System.out.println(bos.toString());
      throw new RuntimeException("CheckIndex failed");
    } else {

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            checkIndexTook = 0;
            long time = System.currentTimeMillis();
            if (!Lucene.indexExists(store.directory())) {
                return;
            }
            CheckIndex checkIndex = new CheckIndex(store.directory());
            BytesStreamOutput os = new BytesStreamOutput();
            PrintStream out = new PrintStream(os, false, Charsets.UTF_8.name());
            checkIndex.setInfoStream(out);
            out.flush();
            CheckIndex.Status status = checkIndex.checkIndex();
            if (!status.clean) {
                if (state == IndexShardState.CLOSED) {
                    // ignore if closed....
                    return;
                }
                logger.warn("check index [failure]\n{}", new String(os.bytes().toBytes(), Charsets.UTF_8));
                if ("fix".equalsIgnoreCase(checkIndexOnStartup)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("fixing index, writing new segments file ...");
                    }
                    checkIndex.exorciseIndex(status);
                    if (logger.isDebugEnabled()) {
                        logger.debug("index fixed, wrote new segments file \"{}\"", status.segmentsFileName);
                    }
                } else {
                    // only throw a failure if we are not going to fix the index

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