}
            switch (request.resolvedVersionMetadata.getState()) {
                case Failed:
                    failures.add(request.resolvedVersionMetadata.getFailure());
                    if (isCriticalFailure(request.resolvedVersionMetadata.getFailure())) {
                        queue.clear();
                    }
                    break;
                case Missing:
                case Unknown:

        BuildListenerImpl buildListener = new BuildListenerImpl();
        BuildResult result = doRun(outputStream, errorStream, buildListener);
        if (result.getFailure() != null) {
            throw new UnexpectedBuildFailure(result.getFailure());
        }

        return assertResult(new InProcessExecutionResult(buildListener.executedTasks, buildListener.skippedTasks,

                synchronized (this) {
                    // Failed to resolve input artifact, no need to execute
                    transformedSubject = Try.failure(artifact.getFileSource().getValue().getFailure().get());
                    return false;
                }
            }

            Deferrable<Try<TransformStepSubject>> invocation = createInvocation();
            synchronized (this) {

                    if (dependency.getFailure() != null) {
                        //by keying the failures only by 'requested' we lose some precision
                        //at edge case we'll lose info about a different exception if we have different failure for the same requested version
                        failures.put(dependency.getRequested(), dependency.getFailure());
                    }
                }

                    }
                } else if (result.getFailure() != null) {
                    encoder.writeByte((byte) 3);
                    encoder.writeBoolean(result.wasCancelled());
                    payloadSerializer.write(encoder, result.getFailure());
                } else {
                    encoder.writeByte((byte) 4);

            delegate.getRemoteAccess().resolveArtifactsWithType(component, artifactType, result);

            if (result.getFailure() == null) {
                ModuleDescriptorHashModuleSource moduleSource = findCachingModuleSource(component.getSources());

        return true;
    }

    public TaskProperties getTaskProperties() {
        return taskProperties;
    }

    @Override
    public Throwable getNodeFailure() {
        return task.getState().getFailure();
    }

    @Override
    public void resolveDependencies(TaskDependencyResolver dependencyResolver) {
        // Make sure it has been configured
        taskProject.getTasks().prepareForExecution(task);

        reportItem(currentArtifact.key.getComponentIdentifier().getDisplayName());
        reportItem(createFileLink(currentArtifact.key, firstFailure.getFailure(), firstFailure.getRepositoryName()));
        contents.append("            <td>\n");
        currentArtifact.failures.forEach(this::formatError);
        contents.append("            </td>\n")

    public interface FailureTracker {
        FailureTracker NO_FAILURE_TRACKER = new FailureTracker() {
            @Override
            public RuntimeException getFailure() {
                return null;
            }
        };

        RuntimeException getFailure();
    }

    private static class SendEmptyResponse extends ErroringAction<HttpExchange> {
        @Override

                if (!responseProducer.isFailure()) {
                    responseProducer.writeTo(id, httpExchange);
                } else {
                    Throwable failure = responseProducer.getFailure();
                    requestFailed(outcome, failure);
                    String stacktrace = ExceptionUtils.getStackTrace(failure);
                    dumpThreadsUponTimeout(stacktrace);