apache/hadoop · error · IOException

src.toString() + ": Permission denied"

Error message

src.toString() + ": Permission denied"

What it means

Error "src.toString() + ": Permission denied"" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java:545

      File contents[] = listFiles(src);
      for (int i = 0; i < contents.length; i++) {
        copy(contents[i], dstFS, new Path(dst, contents[i].getName()),
             deleteSource, conf);
      }
    } else if (src.isFile()) {
      InputStream in = null;
      OutputStream out =null;
      try {
        in = Files.newInputStream(src.toPath());
        out = dstFS.create(dst);
        IOUtils.copyBytes(in, out, conf);
      } catch (IOException e) {
        IOUtils.closeStream( out );
        IOUtils.closeStream( in );
        throw e;
      }
    } else if (!src.canRead()) {
      throw new IOException(src.toString() +
                            ": Permission denied");

    } else {
      throw new IOException(src.toString() +
                            ": No such file or directory");
    }
    if (deleteSource) {
      return FileUtil.fullyDelete(src);
    } else {
      return true;
    }
  }

  /**
   * Copy FileSystem files to local files.
   *
   * @param srcFS srcFs.
   * @param src src.

View on GitHub (pinned to 2add963021)

Solutions

1. Grant read/execute permission on the source file and its parent directories to the current user.
2. Run the operation as a user with sufficient privileges or adjust ACLs.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java:545 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/20fc933151a3d45b. Report an issue: GitHub.