apache/hadoop · error · IOException

Attempt to create an encryption zone for a non-empty directo

Error message

Attempt to create an encryption zone for a non-empty directory.

What it means

Error "Attempt to create an encryption zone for a non-empty directory." thrown in apache/hadoop.

Source

Thrown at hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EncryptionZoneManager.java:557

    // Check if src is a valid path for new EZ creation
    if (srcIIP.getLastINode() == null) {
      throw new FileNotFoundException("cannot find " + srcIIP.getPath());
    }

    INode srcINode = srcIIP.getLastINode();
    if (!srcINode.isDirectory()) {
      throw new IOException("Attempt to create an encryption zone for a file.");
    }

    if (hasCreatedEncryptionZone() && encryptionZones.
        get(srcINode.getId()) != null) {
      throw new IOException(
          "Directory " + srcIIP.getPath() + " is already an encryption zone.");
    }

    if (dir.isNonEmptyDirectory(srcIIP)) {
      throw new IOException(
          "Attempt to create an encryption zone for a non-empty directory.");
    }
    final HdfsProtos.ZoneEncryptionInfoProto proto =
        PBHelperClient.convert(suite, version, keyName);
    final XAttr ezXAttr = XAttrHelper
        .buildXAttr(CRYPTO_XATTR_ENCRYPTION_ZONE, proto.toByteArray());

    final List<XAttr> xattrs = Lists.newArrayListWithCapacity(1);
    xattrs.add(ezXAttr);
    // updating the xattr will call addEncryptionZone,
    // done this way to handle edit log loading
    FSDirXAttrOp.unprotectedSetXAttrs(dir, srcIIP, xattrs,
                                      EnumSet.of(XAttrSetFlag.CREATE));
    return ezXAttr;
  }

  /**
   * Cursor-based listing of encryption zones.

View on GitHub (pinned to 2add963021)

Solutions

1. Create the encryption zone on an empty directory; move or delete existing files first, or create a new empty directory for the zone.

When it happens

Trigger: createEncryptionZone on a directory that is not empty; zones must be created on empty directories.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/b4a7baa6c362a122. Report an issue: GitHub.