Examples of org.apache.hadoop.hdfs.protocol.SnapshotException

org.apache.hadoop.hdfs.protocol.SnapshotException
Snapshot related exception.

      final Snapshot latest = iip.getLatestSnapshot();
      final INode inode = iip.getLastINode();


      // check if the file in the latest snapshot
      if (inode.isInLatestSnapshot(latest)) {
        throw new SnapshotException("Concat: the source file " + srcs[i]
            + " is in snapshot " + latest);
      }


      // check if the file has other references.
      if (inode.isReference() && ((INodeReference.WithCount)
          inode.asReference().getReferredINode()).getReferenceCount() > 1) {
        throw new SnapshotException("Concat: the source file " + srcs[i]
            + " is referred by some other reference in some snapshot.");
      }


      allSrcInodes[i] = inode.asFile();
    }

View Full Code Here

      return;
    }


    for(INodeDirectorySnapshottable s : snapshottables.values()) {
      if (s.isAncestorDirectory(dir)) {
        throw new SnapshotException(
            "Nested snapshottable directories not allowed: path=" + path
            + ", the subdirectory " + s.getFullPathName()
            + " is already a snapshottable directory.");
      }
      if (dir.isAncestorDirectory(s)) {
        throw new SnapshotException(
            "Nested snapshottable directories not allowed: path=" + path
            + ", the ancestor " + s.getFullPathName()
            + " is already a snapshottable directory.");
      }
    }

View Full Code Here

      // the directory is already non-snapshottable
      return;
    }
    final INodeDirectorySnapshottable s = (INodeDirectorySnapshottable) d;
    if (s.getNumSnapshots() > 0) {
      throw new SnapshotException("The directory " + path + " has snapshot(s). "
          + "Please redo the operation after removing all the snapshots.");
    }


    if (s == fsdir.getRoot()) {
      s.setSnapshotQuota(0);

View Full Code Here

    if (snapshotCounter == getMaxSnapshotID()) {
      // We have reached the maximum allowable snapshot ID and since we don't
      // handle rollover we will fail all subsequent snapshot creation
      // requests.
      //
      throw new SnapshotException(
          "Failed to create the snapshot. The FileSystem has run out of " +
          "snapshot IDs and ID rollover is not supported.");
    }


    srcRoot.addSnapshot(snapshotCounter, snapshotName);

View Full Code Here

  /** Cast INode to INodeDirectorySnapshottable. */
  static public INodeDirectorySnapshottable valueOf(
      INode inode, String src) throws IOException {
    final INodeDirectory dir = INodeDirectory.valueOf(inode, src);
    if (!dir.isSnapshottable()) {
      throw new SnapshotException(
          "Directory is not a snapshottable directory: " + src);
    }
    return (INodeDirectorySnapshottable)dir;
  }

View Full Code Here

    if (newName.equals(oldName)) {
      return;
    }
    final int indexOfOld = searchSnapshot(DFSUtil.string2Bytes(oldName));
    if (indexOfOld < 0) {
      throw new SnapshotException("The snapshot " + oldName
          + " does not exist for directory " + path);
    } else {
      final byte[] newNameBytes = DFSUtil.string2Bytes(newName);
      int indexOfNew = searchSnapshot(newNameBytes);
      if (indexOfNew > 0) {
        throw new SnapshotException("The snapshot " + newName
            + " already exists for directory " + path);
      }
      // remove the one with old name from snapshotsByNames
      Snapshot snapshot = snapshotsByNames.remove(indexOfOld);
      final INodeDirectory ssRoot = snapshot.getRoot();

View Full Code Here

  Snapshot addSnapshot(int id, String name) throws SnapshotException,
      QuotaExceededException {
    //check snapshot quota
    final int n = getNumSnapshots();
    if (n + 1 > snapshotQuota) {
      throw new SnapshotException("Failed to add snapshot: there are already "
          + n + " snapshot(s) and the snapshot quota is "
          + snapshotQuota);
    }
    final Snapshot s = new Snapshot(id, name, this);
    final byte[] nameBytes = s.getRoot().getLocalNameBytes();
    final int i = searchSnapshot(nameBytes);
    if (i >= 0) {
      throw new SnapshotException("Failed to add snapshot: there is already a "
          + "snapshot with the same name \"" + Snapshot.getSnapshotName(s) + "\".");
    }


    final DirectoryDiff d = getDiffs().addDiff(s, this);
    d.snapshotINode = s.getRoot();

View Full Code Here

  Snapshot removeSnapshot(String snapshotName,
      BlocksMapUpdateInfo collectedBlocks, final List<INode> removedINodes)
      throws SnapshotException {
    final int i = searchSnapshot(DFSUtil.string2Bytes(snapshotName));
    if (i < 0) {
      throw new SnapshotException("Cannot delete snapshot " + snapshotName
          + " from path " + this.getFullPathName()
          + ": the snapshot does not exist.");
    } else {
      final Snapshot snapshot = snapshotsByNames.get(i);
      Snapshot prior = Snapshot.findLatestSnapshot(this, snapshot);

View Full Code Here

      throws SnapshotException {
    Snapshot s = null;
    if (snapshotName != null && !snapshotName.isEmpty()) {
      final int index = searchSnapshot(DFSUtil.string2Bytes(snapshotName));
      if (index < 0) {
        throw new SnapshotException("Cannot find the snapshot of directory "
            + this.getFullPathName() + " with name " + snapshotName);
      }
      s = snapshotsByNames.get(index);
    }
    return s;

View Full Code Here

      final Snapshot latest = iip.getLatestSnapshot();
      final INode inode = iip.getLastINode();


      // check if the file in the latest snapshot
      if (inode.isInLatestSnapshot(latest)) {
        throw new SnapshotException("Concat: the source file " + srcs[i]
            + " is in snapshot " + latest);
      }


      // check if the file has other references.
      if (inode.isReference() && ((INodeReference.WithCount)
          inode.asReference().getReferredINode()).getReferenceCount() > 1) {
        throw new SnapshotException("Concat: the source file " + srcs[i]
            + " is referred by some other reference in some snapshot.");
      }


      allSrcInodes[i] = inode.asFile();
    }

View Full Code Here

0 1 2 3

TOP

Related Classes of org.apache.hadoop.hdfs.protocol.SnapshotException

org.apache.hadoop.hdfs.server.namenode.FSDirectory

org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable

org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.