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.

   */
  private CachePool getCachePool(String poolName)
      throws InvalidRequestException {
    CachePool pool = cachePools.get(poolName);
    if (pool == null) {
      throw new InvalidRequestException("Unknown pool " + poolName);
    }
    return pool;
  }

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  void modifyDirectiveFromEditLog(CacheDirectiveInfo info)
      throws InvalidRequestException {
    // Check for invalid IDs.
    Long id = info.getId();
    if (id == null) {
      throw new InvalidRequestException("Must supply an ID.");
    }
    CacheDirective prevEntry = getById(id);
    CacheDirectiveInfo newInfo = createFromInfoAndDefaults(info, prevEntry);
    removeInternal(prevEntry);
    addInternal(new CacheDirective(newInfo), getCachePool(newInfo.getPool()));

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            "(null)" : info.getId().toString();
    try {
      // Check for invalid IDs.
      Long id = info.getId();
      if (id == null) {
        throw new InvalidRequestException("Must supply an ID.");
      }
      CacheDirective prevEntry = getById(id);
      checkWritePermission(pc, prevEntry.getPool());


      // Fill in defaults

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    assert namesystem.hasWriteLock();
    // Remove the corresponding entry in directivesByPath.
    String path = directive.getPath();
    List<CacheDirective> directives = directivesByPath.get(path);
    if (directives == null || !directives.remove(directive)) {
      throw new InvalidRequestException("Failed to locate entry " +
          directive.getId() + " by path " + directive.getPath());
    }
    if (directives.size() == 0) {
      directivesByPath.remove(path);
    }

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    try {
      CachePoolInfo.validate(info);
      String poolName = info.getPoolName();
      pool = cachePools.get(poolName);
      if (pool != null) {
        throw new InvalidRequestException("Cache pool " + poolName
            + " already exists.");
      }
      pool = CachePool.createFromInfoAndDefaults(info);
      cachePools.put(pool.getPoolName(), pool);
    } catch (IOException e) {

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    try {
      CachePoolInfo.validate(info);
      String poolName = info.getPoolName();
      CachePool pool = cachePools.get(poolName);
      if (pool == null) {
        throw new InvalidRequestException("Cache pool " + poolName
            + " does not exist.");
      }
      String prefix = "";
      if (info.getOwnerName() != null) {
        pool.setOwnerName(info.getOwnerName());

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    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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      throw new UnsupportedOperationException();
    }
    ShmId shmId = slotId.getShmId();
    RegisteredShm shm = segments.get(shmId);
    if (shm == null) {
      throw new InvalidRequestException("there is no shared memory segment " +
          "registered with shmId " + shmId);
    }
    Slot slot = shm.registerSlot(slotId.getSlotIdx(), blockId);
    if (isCached) {
      slot.makeAnchorable();

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      throw new UnsupportedOperationException();
    }
    ShmId shmId = slotId.getShmId();
    RegisteredShm shm = segments.get(shmId);
    if (shm == null) {
      throw new InvalidRequestException("there is no shared memory segment " +
          "registered with shmId " + shmId);
    }
    Slot slot = shm.getSlot(slotId.getSlotIdx());
    slot.makeInvalid();
    shm.unregisterSlot(slotId.getSlotIdx());

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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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