Package org.apache.lucene.index

Examples of org.apache.lucene.index.CorruptIndexException

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    data.seek(entry.offset + entry.missingBytes);
    switch (entry.format) {
      case TABLE_COMPRESSED:
        int size = data.readVInt();
        if (size > 256) {
          throw new CorruptIndexException("TABLE_COMPRESSED cannot have more than 256 distinct values, input=" + data);
        }
        final long decode[] = new long[size];
        for (int i = 0; i < decode.length; i++) {
          decode[i] = data.readLong();
        }
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                                   Lucene40SegmentInfoFormat.VERSION_START,
                                   Lucene40SegmentInfoFormat.VERSION_CURRENT);
      final String version = input.readString();
      final int docCount = input.readInt();
      if (docCount < 0) {
        throw new CorruptIndexException("invalid docCount: " + docCount + " (resource=" + input + ")");
      }
      final boolean isCompoundFile = input.readByte() == SegmentInfo.YES;
      final Map<String,String> diagnostics = input.readStringStringMap();
      input.readStringStringMap(); // read deprecated attributes
      final Set<String> files = input.readStringSet();
     
      if (input.getFilePointer() != input.length()) {
        throw new CorruptIndexException("did not read all bytes from file \"" + fileName + "\": read " + input.getFilePointer() + " vs size " + input.length() + " (resource: " + input + ")");
      }

      final SegmentInfo si = new SegmentInfo(dir, version, segment, docCount, isCompoundFile, null, diagnostics);
      si.setFiles(files);
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      final String fieldsStreamFN = IndexFileNames.segmentFileName(segment, segmentSuffix, FIELDS_EXTENSION);
      fieldsStream = d.openInput(fieldsStreamFN, context);
      final String codecNameDat = formatName + CODEC_SFX_DAT;
      final int fieldsVersion = CodecUtil.checkHeader(fieldsStream, codecNameDat, VERSION_START, VERSION_CURRENT);
      if (version != fieldsVersion) {
        throw new CorruptIndexException("Version mismatch between stored fields index and data: " + version + " != " + fieldsVersion);
      }
      assert CodecUtil.headerLength(codecNameDat) == fieldsStream.getFilePointer();

      if (version >= VERSION_BIG_CHUNKS) {
        chunkSize = fieldsStream.readVInt();
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    final int docBase = fieldsStream.readVInt();
    final int chunkDocs = fieldsStream.readVInt();
    if (docID < docBase
        || docID >= docBase + chunkDocs
        || docBase + chunkDocs > numDocs) {
      throw new CorruptIndexException("Corrupted: docID=" + docID
          + ", docBase=" + docBase + ", chunkDocs=" + chunkDocs
          + ", numDocs=" + numDocs + " (resource=" + fieldsStream + ")");
    }

    final int numStoredFields, offset, length, totalLength;
    if (chunkDocs == 1) {
      numStoredFields = fieldsStream.readVInt();
      offset = 0;
      length = fieldsStream.readVInt();
      totalLength = length;
    } else {
      final int bitsPerStoredFields = fieldsStream.readVInt();
      if (bitsPerStoredFields == 0) {
        numStoredFields = fieldsStream.readVInt();
      } else if (bitsPerStoredFields > 31) {
        throw new CorruptIndexException("bitsPerStoredFields=" + bitsPerStoredFields + " (resource=" + fieldsStream + ")");
      } else {
        final long filePointer = fieldsStream.getFilePointer();
        final PackedInts.Reader reader = PackedInts.getDirectReaderNoHeader(fieldsStream, PackedInts.Format.PACKED, packedIntsVersion, chunkDocs, bitsPerStoredFields);
        numStoredFields = (int) (reader.get(docID - docBase));
        fieldsStream.seek(filePointer + PackedInts.Format.PACKED.byteCount(packedIntsVersion, chunkDocs, bitsPerStoredFields));
      }

      final int bitsPerLength = fieldsStream.readVInt();
      if (bitsPerLength == 0) {
        length = fieldsStream.readVInt();
        offset = (docID - docBase) * length;
        totalLength = chunkDocs * length;
      } else if (bitsPerStoredFields > 31) {
        throw new CorruptIndexException("bitsPerLength=" + bitsPerLength + " (resource=" + fieldsStream + ")");
      } else {
        final PackedInts.ReaderIterator it = PackedInts.getReaderIteratorNoHeader(fieldsStream, PackedInts.Format.PACKED, packedIntsVersion, chunkDocs, bitsPerLength, 1);
        int off = 0;
        for (int i = 0; i < docID - docBase; ++i) {
          off += it.next();
        }
        offset = off;
        length = (int) it.next();
        off += length;
        for (int i = docID - docBase + 1; i < chunkDocs; ++i) {
          off += it.next();
        }
        totalLength = off;
      }
    }

    if ((length == 0) != (numStoredFields == 0)) {
      throw new CorruptIndexException("length=" + length + ", numStoredFields=" + numStoredFields + " (resource=" + fieldsStream + ")");
    }
    if (numStoredFields == 0) {
      // nothing to do
      return;
    }
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      final int docBase = fieldsStream.readVInt();
      final int chunkDocs = fieldsStream.readVInt();
      if (docBase < this.docBase + this.chunkDocs
          || docBase + chunkDocs > numDocs) {
        throw new CorruptIndexException("Corrupted: current docBase=" + this.docBase
            + ", current numDocs=" + this.chunkDocs + ", new docBase=" + docBase
            + ", new numDocs=" + chunkDocs + " (resource=" + fieldsStream + ")");
      }
      this.docBase = docBase;
      this.chunkDocs = chunkDocs;

      if (chunkDocs > numStoredFields.length) {
        final int newLength = ArrayUtil.oversize(chunkDocs, 4);
        numStoredFields = new int[newLength];
        lengths = new int[newLength];
      }

      if (chunkDocs == 1) {
        numStoredFields[0] = fieldsStream.readVInt();
        lengths[0] = fieldsStream.readVInt();
      } else {
        final int bitsPerStoredFields = fieldsStream.readVInt();
        if (bitsPerStoredFields == 0) {
          Arrays.fill(numStoredFields, 0, chunkDocs, fieldsStream.readVInt());
        } else if (bitsPerStoredFields > 31) {
          throw new CorruptIndexException("bitsPerStoredFields=" + bitsPerStoredFields + " (resource=" + fieldsStream + ")");
        } else {
          final PackedInts.ReaderIterator it = PackedInts.getReaderIteratorNoHeader(fieldsStream, PackedInts.Format.PACKED, packedIntsVersion, chunkDocs, bitsPerStoredFields, 1);
          for (int i = 0; i < chunkDocs; ++i) {
            numStoredFields[i] = (int) it.next();
          }
        }

        final int bitsPerLength = fieldsStream.readVInt();
        if (bitsPerLength == 0) {
          Arrays.fill(lengths, 0, chunkDocs, fieldsStream.readVInt());
        } else if (bitsPerLength > 31) {
          throw new CorruptIndexException("bitsPerLength=" + bitsPerLength);
        } else {
          final PackedInts.ReaderIterator it = PackedInts.getReaderIteratorNoHeader(fieldsStream, PackedInts.Format.PACKED, packedIntsVersion, chunkDocs, bitsPerLength, 1);
          for (int i = 0; i < chunkDocs; ++i) {
            lengths[i] = (int) it.next();
          }
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        }
      } else {
        decompressor.decompress(fieldsStream, chunkSize, 0, chunkSize, bytes);
      }
      if (bytes.length != chunkSize) {
        throw new CorruptIndexException("Corrupted: expected chunk size = " + chunkSize() + ", got " + bytes.length + " (resource=" + fieldsStream + ")");
      }
    }
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            break;
          default:
            throw new AssertionError();
        }
        if (input.getFilePointer() != input.length()) {
          throw new CorruptIndexException("did not read all bytes from file \"" + fileName + "\": read " + input.getFilePointer() + " vs size " + input.length() + " (resource: " + input + ")");
        }
        success = true;
      } finally {
        if (success) {
          IOUtils.close(input);
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            return minValue + value;
          }
        }
      };
    } else {
      throw new CorruptIndexException("invalid VAR_INTS header byte: " + header + " (resource=" + input + ")");
    }
  }
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    CodecUtil.checkHeader(input, Lucene40DocValuesFormat.INTS_CODEC_NAME,
                                 Lucene40DocValuesFormat.INTS_VERSION_START,
                                 Lucene40DocValuesFormat.INTS_VERSION_CURRENT);
    int valueSize = input.readInt();
    if (valueSize != 1) {
      throw new CorruptIndexException("invalid valueSize: " + valueSize);
    }
    int maxDoc = state.segmentInfo.getDocCount();
    final byte values[] = new byte[maxDoc];
    input.readBytes(values, 0, values.length);
    ramBytesUsed.addAndGet(RamUsageEstimator.sizeOf(values));
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    CodecUtil.checkHeader(input, Lucene40DocValuesFormat.INTS_CODEC_NAME,
                                 Lucene40DocValuesFormat.INTS_VERSION_START,
                                 Lucene40DocValuesFormat.INTS_VERSION_CURRENT);
    int valueSize = input.readInt();
    if (valueSize != 2) {
      throw new CorruptIndexException("invalid valueSize: " + valueSize);
    }
    int maxDoc = state.segmentInfo.getDocCount();
    final short values[] = new short[maxDoc];
    for (int i = 0; i < values.length; i++) {
      values[i] = input.readShort();
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