apache/hadoop · error · IllegalArgumentException

tried to release a buffer that was not created by this strea

Error message

tried to release a buffer that was not created by this stream.

What it means

Error "tried to release a buffer that was not created by this stream." thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FSDataInputStream.java:231

  }

  private static final EnumSet<ReadOption> EMPTY_READ_OPTIONS_SET =
      EnumSet.noneOf(ReadOption.class);

  final public ByteBuffer read(ByteBufferPool bufferPool, int maxLength)
          throws IOException, UnsupportedOperationException {
    return read(bufferPool, maxLength, EMPTY_READ_OPTIONS_SET);
  }
  
  @Override
  public void releaseBuffer(ByteBuffer buffer) {
    try {
      ((HasEnhancedByteBufferAccess)in).releaseBuffer(buffer);
    }
    catch (ClassCastException e) {
      ByteBufferPool bufferPool = extendedReadBuffers.remove( buffer);
      if (bufferPool == null) {
        throw new IllegalArgumentException("tried to release a buffer " +
            "that was not created by this stream.");
      }
      bufferPool.putBuffer(buffer);
    }
  }

  @Override
  public void unbuffer() {
    StreamCapabilitiesPolicy.unbuffer(in);
  }

  @Override
  public boolean hasCapability(String capability) {
    return StoreImplementationUtils.hasCapability(in, capability);
  }

  /**
   * String value. Includes the string value of the inner stream

View on GitHub (pinned to 2add963021)

Solutions

1. Only release buffers obtained from this stream's read(ByteBufferPool, ...) call.
2. Do not release the same buffer twice or release buffers allocated elsewhere.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FSDataInputStream.java:231 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/a6c63d2c3897c312. Report an issue: GitHub.