Examples of org.apache.hadoop.fs.InvalidRequestException

org.apache.hadoop.fs.InvalidRequestException
Thrown when the user makes a malformed request, for example missing required parameters or parameters that are not valid.

    assert namesystem.hasWriteLock();
    try {
      CachePoolInfo.validateName(poolName);
      CachePool pool = cachePools.remove(poolName);
      if (pool == null) {
        throw new InvalidRequestException(
            "Cannot remove non-existent cache pool " + poolName);
      }
      // Remove all directives in this pool.
      Iterator<CacheDirective> iter = pool.getDirectiveList().iterator();
      while (iter.hasNext()) {

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        hashCode();
  }


  public static void validate(CachePoolInfo info) throws IOException {
    if (info == null) {
      throw new InvalidRequestException("CachePoolInfo is null");
    }
    if ((info.getLimit() != null) && (info.getLimit() < 0)) {
      throw new InvalidRequestException("Limit is negative.");
    }
    if (info.getMaxRelativeExpiryMs() != null) {
      long maxRelativeExpiryMs = info.getMaxRelativeExpiryMs();
      if (maxRelativeExpiryMs < 0l) {
        throw new InvalidRequestException("Max relative expiry is negative.");
      }
      if (maxRelativeExpiryMs > Expiration.MAX_RELATIVE_EXPIRY_MS) {
        throw new InvalidRequestException("Max relative expiry is too big.");
      }
    }
    validateName(info.poolName);
  }

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  }


  synchronized public final Slot getSlot(int slotIdx)
      throws InvalidRequestException {
    if (!allocatedSlots.get(slotIdx)) {
      throw new InvalidRequestException(this + ": slot " + slotIdx +
          " does not exist.");
    }
    return slots[slotIdx];
  }

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   *            initialized, or is already in use.
   */
  synchronized public final Slot registerSlot(int slotIdx,
      ExtendedBlockId blockId) throws InvalidRequestException {
    if (slotIdx < 0) {
      throw new InvalidRequestException(this + ": invalid negative slot " +
          "index " + slotIdx);
    }
    if (slotIdx >= slots.length) {
      throw new InvalidRequestException(this + ": invalid slot " +
          "index " + slotIdx);
    }
    if (allocatedSlots.get(slotIdx)) {
      throw new InvalidRequestException(this + ": slot " + slotIdx +
          " is already in use.");
    }
    Slot slot = new Slot(calculateSlotAddress(slotIdx), blockId);
    if (!slot.isValid()) {
      throw new InvalidRequestException(this + ": slot " + slotIdx +
          " has not been allocated.");
    }
    slots[slotIdx] = slot;
    allocatedSlots.set(slotIdx, true);
    if (LOG.isTraceEnabled()) {

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  private static String validatePoolName(CacheDirectiveInfo directive)
      throws InvalidRequestException {
    String pool = directive.getPool();
    if (pool == null) {
      throw new InvalidRequestException("No pool specified.");
    }
    if (pool.isEmpty()) {
      throw new InvalidRequestException("Invalid empty pool name.");
    }
    return pool;
  }

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  }


  private static String validatePath(CacheDirectiveInfo directive)
      throws InvalidRequestException {
    if (directive.getPath() == null) {
      throw new InvalidRequestException("No path specified.");
    }
    String path = directive.getPath().toUri().getPath();
    if (!DFSUtil.isValidName(path)) {
      throw new InvalidRequestException("Invalid path '" + path + "'.");
    }
    return path;
  }

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  private static short validateReplication(CacheDirectiveInfo directive,
      short defaultValue) throws InvalidRequestException {
    short repl = (directive.getReplication() != null)
        ? directive.getReplication() : defaultValue;
    if (repl <= 0) {
      throw new InvalidRequestException("Invalid replication factor " + repl
          + " <= 0");
    }
    return repl;
  }

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    if (info == null || info.getExpiration() == null) {
      return maxAbsoluteExpiryTime;
    }
    Expiration expiry = info.getExpiration();
    if (expiry.getMillis() < 0l) {
      throw new InvalidRequestException("Cannot set a negative expiration: "
          + expiry.getMillis());
    }
    long relExpiryTime, absExpiryTime;
    if (expiry.isRelative()) {
      relExpiryTime = expiry.getMillis();
      absExpiryTime = now + relExpiryTime;
    } else {
      absExpiryTime = expiry.getMillis();
      relExpiryTime = absExpiryTime - now;
    }
    // Need to cap the expiry so we don't overflow a long when doing math
    if (relExpiryTime > Expiration.MAX_RELATIVE_EXPIRY_MS) {
      throw new InvalidRequestException("Expiration "
          + expiry.toString() + " is too far in the future!");
    }
    // Fail if the requested expiry is greater than the max
    if (relExpiryTime > maxRelativeExpiryTime) {
      throw new InvalidRequestException("Expiration " + expiry.toString()
          + " exceeds the max relative expiration time of "
          + maxRelativeExpiryTime + " ms.");
    }
    return absExpiryTime;
  }

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    if (pool.getLimit() == CachePoolInfo.LIMIT_UNLIMITED) {
      return;
    }
    if (pool.getBytesNeeded() + (stats.getBytesNeeded() * replication) > pool
        .getLimit()) {
      throw new InvalidRequestException("Caching path " + path + " of size "
          + stats.getBytesNeeded() / replication + " bytes at replication "
          + replication + " would exceed pool " + pool.getPoolName()
          + "'s remaining capacity of "
          + (pool.getLimit() - pool.getBytesNeeded()) + " bytes.");
    }

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   * exists.
   */
  private CacheDirective getById(long id) throws InvalidRequestException {
    // Check for invalid IDs.
    if (id <= 0) {
      throw new InvalidRequestException("Invalid negative ID.");
    }
    // Find the directive.
    CacheDirective directive = directivesById.get(id);
    if (directive == null) {
      throw new InvalidRequestException("No directive with ID " + id
          + " found.");
    }
    return directive;
  }

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Related Classes of org.apache.hadoop.fs.InvalidRequestException

org.apache.hadoop.hdfs.protocol.CachePoolInfo

org.apache.hadoop.hdfs.server.datanode.ShortCircuitRegistry

org.apache.hadoop.hdfs.server.namenode.CacheManager

org.apache.hadoop.hdfs.shortcircuit.ShortCircuitShm

org.apache.hadoop.hdfs.ShortCircuitShm

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