apache/hadoop · error · RuntimeException

{} failure

Error message

{} failure

What it means

Error "{} failure" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/oncrpc/RpcProgram.java:155

    }
  }

  /**
   * Register the program with Portmap or Rpcbind.
   * @param mapEntry port map entries
   * @param set specifies registration or not
   */
  protected void register(PortmapMapping mapEntry, boolean set) {
    XDR mappingRequest = PortmapRequest.create(mapEntry, set);
    SimpleUdpClient registrationClient = new SimpleUdpClient(host, RPCB_PORT,
        mappingRequest, true, registrationSocket, portmapUdpTimeoutMillis);
    try {
      registrationClient.run();
    } catch (IOException e) {
      String request = set ? "Registration" : "Unregistration";
      LOG.error(request + " failure with " + host + ":" + port
          + ", portmap entry: " + mapEntry);
      throw new RuntimeException(request + " failure", e);
    }
  }

  // Start extra daemons or services
  public void startDaemons() {}
  public void stopDaemons() {}

  @Override
  public void channelRead(ChannelHandlerContext ctx, Object msg)
      throws Exception {
    RpcInfo info = (RpcInfo) msg;
    try {
      channelRead(ctx, info);
    } finally {
      ReferenceCountUtil.release(info.data());
    }
  }

View on GitHub (pinned to 2add963021)

Solutions

1. Inspect the RPC program handler for the failure named in the message and check server-side logs for the underlying exception.
2. Verify the requested program/procedure/version numbers are supported by the server.
3. Retry the operation; if persistent, investigate resource exhaustion on the RPC server.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/oncrpc/RpcProgram.java:155 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/0bb29850d7fb4432. Report an issue: GitHub.