Method call

src/core/MultiGetQuery.java:323–329

(final Exception e)

     */
    class ErrorCb implements Callback<Object, Exception> {
      @Override
      public Object call(final Exception e) throws Exception {
        LOG.error("Multi get threw an exception: " + this, e);
        MulGetCB.this.get_exception = e;
        close(false);
        return null;
      }
    }

    public Object fetch() {