ElasticSearch Client on Spring

After Application is done some threads are still running

Notifications [Java Application]	
	mycomp.command.Notifications at localhost:52658	
		Thread [Timer-0] (Running)	
		Daemon Thread [Poller SunPKCS11-Darwin] (Running)	
		Thread [DestroyJavaVM] (Running)	
	/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java (Jun 13, 2012 1:40:47 AM)	
------------------

Notifications [Java Application]	
	mycomp.command.Notifications at localhost:56610	
		Daemon Thread [elasticsearch[Hermes][timer]] (Running)	
		Daemon Thread [elasticsearch[Hermes][scheduler]-pool-24-thread-1] (Running)	
		Daemon Thread [elasticsearch[Hermes]transport_client_boss-pool-25-thread-1] (Running)	
		Daemon Thread [New I/O client worker #2-2] (Running)	
		Daemon Thread [New I/O client worker #2-5] (Running)	
		Daemon Thread [New I/O client worker #2-7] (Running)	
		Daemon Thread [elasticsearch[management]-pool-19-thread-1] (Running)	
		Daemon Thread [New I/O client worker #2-6] (Running)	
		Daemon Thread [New I/O client worker #2-4] (Running)	
		Daemon Thread [New I/O client worker #2-3] (Running)	
		Daemon Thread [New I/O client worker #2-1] (Running)	
		Daemon Thread [elasticsearch[cached]-pool-14-thread-1] (Running)	
		Daemon Thread [New I/O client worker #2-8] (Running)	
		Thread [Timer-0] (Running)	
		Thread [Timer-1] (Running)	
		Thread [DestroyJavaVM] (Running)	
	/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java (Jun 14, 2012 6:03:34 PM)	

EsClientProvider.java

import java.util.Map;

import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;

public class EsClientProvider {
 
	private TransportClient client;
	private String clusterName;
	private String indexName;
	private boolean sniff;
	private Map<String, Integer> inetSockerTransportAddresses;

	public void init(){
		Settings settings = ImmutableSettings.settingsBuilder()
			.put("client.transport.sniff", sniff)
			.put("client.transport.ping_timeout", "10s")
        	.put("cluster.name", clusterName)
        	.build();
		client = new TransportClient(settings);
		for(String key : inetSockerTransportAddresses.keySet()) {
        	client.addTransportAddress(new InetSocketTransportAddress(key, inetSockerTransportAddresses.get(key)));
		}
	}
	
	public void destroy(){
		client.close();
		client=null;
	}
	
	public Client getClient(){
		return client;
	}

	public void setClusterName(String clusterName) {
		this.clusterName = clusterName;
	}

	public void setInetSockerTransportAddresses(
			Map<String, Integer> inetSockerTransportAddresses) {
		this.inetSockerTransportAddresses = inetSockerTransportAddresses;
	}

	public String getIndexName() {
		return indexName;
	}

	public void setIndexName(String indexName) {
		this.indexName = indexName;
	}

	public void setSniff(boolean sniff) {
		this.sniff = sniff;
	}
}