// We can't use the key of the fallback toolchain spec, because it is a spec that can match configured requests as well
        JavaToolchainSpecInternal.Key actualKey = useFallback ? FALLBACK_TOOLCHAIN_KEY : requestedSpec.toKey();

        Object resolutionResult = matchingToolchains.computeIfAbsent(actualKey, key -> {
            try {
                return query(actualSpec, useFallback);
            } catch (Exception e) {