apache/hadoop · error · FileNotFoundException

rename source {} is not found.

Error message

rename source {} is not found.

What it means

Error "rename source {} is not found." thrown in apache/hadoop.

Source

Thrown at hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirRenameOp.java:607

        error = "rename destination directory is not empty: " + dst;
        NameNode.stateChangeLog.warn("DIR* FSDirectory.unprotectedRenameTo: "
            + error);
        throw new IOException(error);
      }
    }
  }

  private static void validateRenameSource(FSDirectory fsd,
      INodesInPath srcIIP, List<INodeDirectory> snapshottableDirs)
      throws IOException {
    String error;
    final INode srcInode = srcIIP.getLastINode();
    // validate source
    if (srcInode == null) {
      error = "rename source " + srcIIP.getPath() + " is not found.";
      NameNode.stateChangeLog.warn("DIR* FSDirectory.unprotectedRenameTo: "
          + error);
      throw new FileNotFoundException(error);
    }
    if (srcIIP.length() == 1) {
      error = "rename source cannot be the root";
      NameNode.stateChangeLog.warn("DIR* FSDirectory.unprotectedRenameTo: "
          + error);
      throw new IOException(error);
    }
    // srcInode and its subtree cannot contain snapshottable directories with
    // snapshots
    FSDirSnapshotOp.checkSnapshot(fsd, srcIIP, snapshottableDirs);
  }

  private static void validateNestSnapshot(FSDirectory fsd, String srcPath,
      INodeDirectory dstParent, List<INodeDirectory> snapshottableDirs)
      throws SnapshotException {

    if (fsd.getFSNamesystem().getSnapshotManager().isAllowNestedSnapshots()) {
      return;

View on GitHub (pinned to 2add963021)

Solutions

1. Verify the source path exists with 'hdfs dfs -ls' before renaming.
2. Correct the source path spelling or create the source first.

When it happens

Trigger: Renaming a source path that does not exist in the namespace.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/bd9a201a0e024e4f. Report an issue: GitHub.