apache/hadoop · error · InvalidRequestException

Must supply an ID.

Error message

Must supply an ID.

What it means

Error "Must supply an ID." thrown in apache/hadoop.

Source

Thrown at hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/CacheManager.java:664

      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()));
  }

  public void modifyDirective(CacheDirectiveInfo info,
      FSPermissionChecker pc, EnumSet<CacheFlag> flags) throws IOException {
    assert namesystem.hasWriteLock(RwLockMode.FS);
    String idString =
        (info.getId() == null) ?
            "(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
      CacheDirectiveInfo infoWithDefaults =
          createFromInfoAndDefaults(info, prevEntry);
      CacheDirectiveInfo.Builder builder =
          new CacheDirectiveInfo.Builder(infoWithDefaults);

      // Do validation
      validatePath(infoWithDefaults);
      validateReplication(infoWithDefaults, (short)-1);
      // Need to test the pool being set here to avoid rejecting a modify for a
      // directive that's already been forced into a pool
      CachePool srcPool = prevEntry.getPool();
      CachePool destPool = getCachePool(validatePoolName(infoWithDefaults));
      if (!srcPool.getPoolName().equals(destPool.getPoolName())) {

View on GitHub (pinned to 2add963021)

Solutions

1. Provide the directive ID with -id when modifying or removing a cache directive.

When it happens

Trigger: removeCacheDirective called without supplying a directive ID.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/76f8c215afedfcce. Report an issue: GitHub.