Examples of org.apache.hadoop.HadoopIllegalArgumentException

org.apache.hadoop.HadoopIllegalArgumentException
Indicates that a method has been passed illegal or invalid argument. This exception is thrown instead of IllegalArgumentException to differentiate the exception thrown in Hadoop implementation from the one thrown in JDK.

        force = true;
      } else if ("-nonInteractive".equals(arg)) {
        interactive = false;
      } else {
        printUsage();
        throw new HadoopIllegalArgumentException(
            "Illegal argument: " + arg);
      }
    }
  }

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  private void parseConfAndFindOtherNN() throws IOException {
    Configuration conf = getConf();
    nsId = DFSUtil.getNamenodeNameServiceId(conf);


    if (!HAUtil.isHAEnabled(conf, nsId)) {
      throw new HadoopIllegalArgumentException(
          "HA is not enabled for this namenode.");
    }
    nnId = HAUtil.getNameNodeId(conf, nsId);
    NameNode.initializeGenericKeys(conf, nsId, nnId);


    if (!HAUtil.usesSharedEditsDir(conf)) {
      throw new HadoopIllegalArgumentException(
        "Shared edits storage is not enabled for this namenode.");
    }
    
    Configuration otherNode = HAUtil.getConfForOtherNode(conf);
    otherNNId = HAUtil.getNameNodeId(otherNode, nsId);

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        force = true;
      } else if ("-nonInteractive".equals(arg)) {
        interactive = false;
      } else {
        printUsage();
        throw new HadoopIllegalArgumentException(
            "Illegal argument: " + arg);
      }
    }
  }

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  private void parseConfAndFindOtherNN() throws IOException {
    Configuration conf = getConf();
    nsId = DFSUtil.getNamenodeNameServiceId(conf);


    if (!HAUtil.isHAEnabled(conf, nsId)) {
      throw new HadoopIllegalArgumentException(
          "HA is not enabled for this namenode.");
    }
    nnId = HAUtil.getNameNodeId(conf, nsId);
    NameNode.initializeGenericKeys(conf, nsId, nnId);


    if (!HAUtil.usesSharedEditsDir(conf)) {
      throw new HadoopIllegalArgumentException(
        "Shared edits storage is not enabled for this namenode.");
    }
    
    Configuration otherNode = HAUtil.getConfForOtherNode(conf);
    otherNNId = HAUtil.getNameNodeId(otherNode, nsId);

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        .equals(YarnConfiguration.RM_RESOURCE_TRACKER_ADDRESS)) {
      return YarnConfiguration.DEFAULT_RM_RESOURCE_TRACKER_PORT;
    } else if (addressPrefix.equals(YarnConfiguration.RM_ADMIN_ADDRESS)) {
      return YarnConfiguration.DEFAULT_RM_ADMIN_PORT;
    } else {
      throw new HadoopIllegalArgumentException(
          "Invalid RM RPC address Prefix: " + addressPrefix
              + ". The valid value should be one of "
              + getServiceAddressConfKeys(conf));
    }
  }

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  @Private
  public static String getClusterId(Configuration conf) {
    String clusterId = conf.get(YarnConfiguration.RM_CLUSTER_ID);
    if (clusterId == null) {
      throw new HadoopIllegalArgumentException("Configuration doesn't specify" +
          YarnConfiguration.RM_CLUSTER_ID);
    }
    return clusterId;
  }

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    return snapshotQuota;
  }


  public void setSnapshotQuota(int snapshotQuota) {
    if (snapshotQuota < 0) {
      throw new HadoopIllegalArgumentException(
          "Cannot set snapshot quota to " + snapshotQuota + " < 0");
    }
    this.snapshotQuota = snapshotQuota;
  }

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  /** Verify if the snapshot name is legal. */
  void verifySnapshotName(String snapshotName, String path)
      throws PathComponentTooLongException {
    if (snapshotName.contains(Path.SEPARATOR)) {
      throw new HadoopIllegalArgumentException(
          "Snapshot name cannot contain \"" + Path.SEPARATOR + "\"");
    }
    final byte[] bytes = DFSUtil.string2Bytes(snapshotName);
    verifyINodeName(bytes);
    verifyMaxComponentLength(bytes, path, 0);

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    if (Arrays.equals(HdfsConstants.DOT_SNAPSHOT_DIR_BYTES, childName)) {
      String s = "\"" + HdfsConstants.DOT_SNAPSHOT_DIR + "\" is a reserved name.";
      if (!namesystem.isImageLoaded()) {
        s += "  Please rename it before upgrade.";
      }
      throw new HadoopIllegalArgumentException(s);
    }
  }

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    // Disallow creation of /.reserved. This may be created when loading
    // editlog/fsimage during upgrade since /.reserved was a valid name in older
    // release. This may also be called when a user tries to create a file
    // or directory /.reserved.
    if (pos == 1 && inodes[0] == rootDir && isReservedName(child)) {
      throw new HadoopIllegalArgumentException(
          "File name \"" + child.getLocalName() + "\" is reserved and cannot "
              + "be created. If this is during upgrade change the name of the "
              + "existing file or directory to another name before upgrading "
              + "to the new release.");
    }

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