public static void main( String[] args ) throws Exception
    {
        // get metainfo file url and download location from the program arguments
        URL metainfoUrl = new URL("http://mirror.as43289.net/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1511.torrent");
        File targetDirectory = new File("out");

        // create default shared runtime without extensions
        BtRuntime runtime = BtRuntimeBuilder.defaultRuntime();

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" bt.BtException: Wrong number of chunk hashes in the torrent: too many
	at bt.data.DataDescriptor.init(DataDescriptor.java:118)
	at bt.data.DataDescriptor.<init>(DataDescriptor.java:38)
	at bt.data.DataDescriptorFactory.createDescriptor(DataDescriptorFactory.java:18)
	at bt.service.AdhocTorrentRegistry.lambda$getOrCreateDescriptor$1(AdhocTorrentRegistry.java:54)
	at java.util.Optional.orElseGet(Optional.java:267)
	at bt.service.AdhocTorrentRegistry.getOrCreateDescriptor(AdhocTorrentRegistry.java:51)
	at bt.Bt.createClient(Bt.java:85)
	at bt.Bt.lambda$build$0(Bt.java:73)
	at bt.Bt$LazyBtClient.initClient(Bt.java:118)
	at bt.Bt$LazyBtClient.startAsync(Bt.java:133)
	at mayton.App.main(App.java:35)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)

// enable multithreaded verification of torrent data
Config config = new Config() {
    @Override
    public int getNumOfHashingThreads() {
        return Runtime.getRuntime().availableProcessors() * 2;
    }
};

// enable bootstrapping from public routers
Module dhtModule = new DHTModule(new DHTConfig() {
    @Override
    public boolean shouldUseRouterBootstrap() {
        return true;
    }
});

// get download directory
Path targetDirectory = new File(...).toPath();

// create file system based backend for torrent data
Storage storage = new FileSystemStorage(targetDirectory);

// create client with a private runtime
BtClient client = Bt.client()
        .config(config)
        .storage(storage)
        .magnet("magnet:?xt=urn:btih:af0d9aa01a9ae123a73802cfa58ccaf355eb19f1")
        .autoLoadModules()
        .module(dhtModule)
        .selector(SequentialSelector.sequential())
        .stopWhenDownloaded()
        .build();

// launch
client.startAsync().join();

<guice-version>4.2.2</guice-version>