apache/hadoop · error · InvalidRequestException

Did not find requested id id

Error message

Did not find requested id id

What it means

Error "Did not find requested id id" thrown in apache/hadoop.

Source

Thrown at hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/CacheManager.java:759

        listCacheDirectives(long prevId,
            CacheDirectiveInfo filter,
            FSPermissionChecker pc) throws IOException {
    assert namesystem.hasReadLock(RwLockMode.FS);
    final int NUM_PRE_ALLOCATED_ENTRIES = 16;
    String filterPath = null;
    if (filter.getPath() != null) {
      filterPath = validatePath(filter);
    }
    if (filter.getReplication() != null) {
      throw new InvalidRequestException(
          "Filtering by replication is unsupported.");
    }

    // Querying for a single ID
    final Long id = filter.getId();
    if (id != null) {
      if (!directivesById.containsKey(id)) {
        throw new InvalidRequestException("Did not find requested id " + id);
      }
      // Since we use a tailMap on directivesById, setting prev to id-1 gets
      // us the directive with the id (if present)
      prevId = id - 1;
    }

    ArrayList<CacheDirectiveEntry> replies =
        new ArrayList<CacheDirectiveEntry>(NUM_PRE_ALLOCATED_ENTRIES);
    int numReplies = 0;
    SortedMap<Long, CacheDirective> tailMap =
      directivesById.tailMap(prevId + 1);
    for (Entry<Long, CacheDirective> cur : tailMap.entrySet()) {
      if (numReplies >= maxListCacheDirectivesNumResponses) {
        return new BatchedListEntries<CacheDirectiveEntry>(replies, true);
      }
      CacheDirective curDirective = cur.getValue();
      CacheDirectiveInfo info = cur.getValue().toInfo();

View on GitHub (pinned to 2add963021)

Solutions

1. Verify the requested directive ID exists with hdfs cacheadmin -listDirectives.

When it happens

Trigger: listCacheDirectives filtering by an ID that matches no directive.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/789cedd179c57069. Report an issue: GitHub.