Details on connection failed

git-svn-id: https://scm.gforge.inria.fr/authscm/ycadoret/svn/gazelle/Maven/gazelle-proxy/trunk@35169 356b4b1a-1d2b-0410-8bf1-ffa24008f01e

gazelle-proxy-netty/src/main/java/net/ihe/gazelle/proxy/netty/channel/ProxyHandler.java

@@ -4,6 +4,8 @@ import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.sql.Timestamp;
 
+import net.ihe.gazelle.proxy.netty.Proxy;
+
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.channel.Channel;
 import org.jboss.netty.channel.ChannelHandlerContext;
@@ -88,7 +90,12 @@ public abstract class ProxyHandler extends SimpleChannelUpstreamHandler {
 
 	@Override
 	public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
-		log.error("exceptionCaught", e.getCause());
+		String info = "Error handled by Netty";
+		if (this instanceof ProxyHandlerProvider) {
+			Proxy proxy = ((ProxyHandlerProvider) this).proxy;
+			info = info + " for proxy " + proxy.getInfo();
+		}
+		log.error(info, e.getCause());
 		ProxyTools.closeOnFlush(e.getChannel());
 	}