Package org.apache.hadoop.hdfs.server.common

Examples of org.apache.hadoop.hdfs.server.common.IncorrectVersionException

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   * @param version
   * @throws IOException
   */
  public void verifyVersion(int version) throws IOException {
    if (version != LAYOUT_VERSION)
      throw new IncorrectVersionException(version, "data node");
  }
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   * @param version layout version
   * @throws IOException on layout version mismatch
   */
  void verifyLayoutVersion(int version) throws IOException {
    if (version != HdfsConstants.NAMENODE_LAYOUT_VERSION)
      throw new IncorrectVersionException(
          HdfsConstants.NAMENODE_LAYOUT_VERSION, version, "data node");
  }
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  private void verifySoftwareVersion(DatanodeRegistration dnReg)
      throws IncorrectVersionException {
    String dnVersion = dnReg.getSoftwareVersion();
    if (VersionUtil.compareVersions(dnVersion, minimumDataNodeVersion) < 0) {
      IncorrectVersionException ive = new IncorrectVersionException(
          minimumDataNodeVersion, dnVersion, "DataNode", "NameNode");
      LOG.warn(ive.getMessage() + " DN: " + dnReg);
      throw ive;
    }
    String nnVersion = VersionInfo.getVersion();
    if (!dnVersion.equals(nnVersion)) {
      String messagePrefix = "Reported DataNode version '" + dnVersion +
          "' of DN " + dnReg + " does not match NameNode version '" +
          nnVersion + "'";
      long nnCTime = nn.getFSImage().getStorage().getCTime();
      long dnCTime = dnReg.getStorageInfo().getCTime();
      if (nnCTime != dnCTime) {
        IncorrectVersionException ive = new IncorrectVersionException(
            messagePrefix + " and CTime of DN ('" + dnCTime +
            "') does not match CTime of NN ('" + nnCTime + "')");
        LOG.warn(ive);
        throw ive;
      } else {
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      throws IncorrectVersionException {
    // build and layout versions should match
    String nnVersion = nsInfo.getSoftwareVersion();
    String minimumNameNodeVersion = dnConf.getMinimumNameNodeVersion();
    if (VersionUtil.compareVersions(nnVersion, minimumNameNodeVersion) < 0) {
      IncorrectVersionException ive = new IncorrectVersionException(
          minimumNameNodeVersion, nnVersion, "NameNode", "DataNode");
      LOG.warn(ive.getMessage());
      throw ive;
    }
    String dnVersion = VersionInfo.getVersion();
    if (!nnVersion.equals(dnVersion)) {
      LOG.info("Reported NameNode version '" + nnVersion + "' does not match " +
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      throws IncorrectVersionException {
    // build and layout versions should match
    String nnVersion = nsInfo.getSoftwareVersion();
    String minimumNameNodeVersion = dnConf.getMinimumNameNodeVersion();
    if (VersionUtil.compareVersions(nnVersion, minimumNameNodeVersion) < 0) {
      IncorrectVersionException ive = new IncorrectVersionException(
          minimumNameNodeVersion, nnVersion, "NameNode", "DataNode");
      LOG.warn(ive.getMessage());
      throw ive;
    }
    String dnVersion = VersionInfo.getVersion();
    if (!nnVersion.equals(dnVersion)) {
      LOG.info("Reported NameNode version '" + nnVersion + "' does not match " +
          "DataNode version '" + dnVersion + "' but is within acceptable " +
          "limits. Note: This is normal during a rolling upgrade.");
    }

    if (HdfsConstants.LAYOUT_VERSION != nsInfo.getLayoutVersion()) {
      LOG.warn("DataNode and NameNode layout versions must be the same." +
        " Expected: "+ HdfsConstants.LAYOUT_VERSION +
        " actual "+ nsInfo.getLayoutVersion());
      throw new IncorrectVersionException(
          nsInfo.getLayoutVersion(), "namenode");
    }
  }
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   * @param version
   * @throws IOException
   */
  void verifyLayoutVersion(int version) throws IOException {
    if (version != HdfsConstants.LAYOUT_VERSION)
      throw new IncorrectVersionException(version, "data node");
  }
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  private void verifySoftwareVersion(DatanodeRegistration dnReg)
      throws IncorrectVersionException {
    String dnVersion = dnReg.getSoftwareVersion();
    if (VersionUtil.compareVersions(dnVersion, minimumDataNodeVersion) < 0) {
      IncorrectVersionException ive = new IncorrectVersionException(
          minimumDataNodeVersion, dnVersion, "DataNode", "NameNode");
      LOG.warn(ive.getMessage() + " DN: " + dnReg);
      throw ive;
    }
    String nnVersion = VersionInfo.getVersion();
    if (!dnVersion.equals(nnVersion)) {
      String messagePrefix = "Reported DataNode version '" + dnVersion +
          "' of DN " + dnReg + " does not match NameNode version '" +
          nnVersion + "'";
      long nnCTime = nn.getFSImage().getStorage().getCTime();
      long dnCTime = dnReg.getStorageInfo().getCTime();
      if (nnCTime != dnCTime) {
        IncorrectVersionException ive = new IncorrectVersionException(
            messagePrefix + " and CTime of DN ('" + dnCTime +
            "') does not match CTime of NN ('" + nnCTime + "')");
        LOG.warn(ive);
        throw ive;
      } else {
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   * @param version
   * @throws IOException
   */
  public void verifyVersion(int version) throws IOException {
    if (version != LAYOUT_VERSION)
      throw new IncorrectVersionException(version, "data node");
  }
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   * @param version
   * @throws IOException
   */
  public void verifyVersion(int version) throws IOException {
    if (version != LAYOUT_VERSION)
      throw new IncorrectVersionException(version, "data node");
  }
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   * @throws IncorrectVersionException
   */
  public void verifyVersion(int reportedVersion,
      int expectedVersion, String annotation) throws IOException {
    if (reportedVersion != expectedVersion)
      throw new IncorrectVersionException(
          reportedVersion, "data node " + annotation, expectedVersion);
  }
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Related Classes of org.apache.hadoop.hdfs.server.common.IncorrectVersionException

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