Error on more than 900 concurrent connection

[David Alves]

Hi

	I'm no expert but if you are running linux it might be caused because you reached the maximum number of open file descriptors.
	If that's the case try increasing them:
	http://www.cyberciti.biz/faq/linux-increase-the-maximum-number-of-open-files/

Regards
David


On Mar 25, 2010, at 9:19 AM, Syahreza Pahlevi Ginting wrote:

> Dear All, please help.. 
> I got this error, and when this happen, server stop.
> I used Netty 3.1.5.GA version.
> This is happen when server process connection more than 900 concurrent connection and receive new connection.
> This is coding when binding.
>             ChannelFactory factory =  new NioServerSocketChannelFactory(Executors.newCachedThreadPool(),
>                                                 Executors.newCachedThreadPool());//,200);
>             ServerBootstrap bootstrap = new ServerBootstrap(factory);
>             log.info("Start listening on " + ip + ":" + port);
>             bootstrap.setPipelineFactory(new ConnPipelineFactory(this));
> 
>             bootstrap.setOption("child.tcpNoDelay", true);
>             bootstrap.setOption("child.keepAlive", true);
>             bootstrap.setOption("child.reuseAddress", true);
>             bootstrap.setOption("child.connectTimeoutMillis", 10000);            
>             conData.setBootstrapSvr(bootstrap);
>             // Bind and start to accept incoming connections.
>             InetAddress inet = InetAddress.getByName(ip);                    
>             Channel chn = bootstrap.bind(new InetSocketAddress(inet,port));
> 
>  This is error :
> 
> Exception in thread "pool-1-thread-1" java.lang.InternalError
>         at sun.misc.URLClassPath$JarLoader.getResource(Unknown Source)
>         at sun.misc.URLClassPath.getResource(Unknown Source)
>         at java.net.URLClassLoader$1.run(Unknown Source)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(Unknown Source)
>         at sun.misc.Launcher$ExtClassLoader.findClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at java.util.ResourceBundle$RBClassLoader.loadClass(Unknown Source)
>         at java.util.ResourceBundle$Control.newBundle(Unknown Source)
>         at java.util.ResourceBundle.loadBundle(Unknown Source)
>         at java.util.ResourceBundle.findBundle(Unknown Source)
>         at java.util.ResourceBundle.findBundle(Unknown Source)
>         at java.util.ResourceBundle.getBundleImpl(Unknown Source)
>         at java.util.ResourceBundle.getBundle(Unknown Source)
>         at java.util.logging.Level.getLocalizedName(Unknown Source)
>         at java.util.logging.SimpleFormatter.format(Unknown Source)
>         at java.util.logging.StreamHandler.publish(Unknown Source)
>         at java.util.logging.ConsoleHandler.publish(Unknown Source)
>         at java.util.logging.Logger.log(Unknown Source)
>         at java.util.logging.Logger.doLog(Unknown Source)
>         at java.util.logging.Logger.logp(Unknown Source)
>         at org.jboss.netty.logging.JdkLogger.warn(JdkLogger.java:86)
>         at org.jboss.netty.logging.InternalLoggerFactory$1.warn(InternalLoggerFactory.java:133)
>         at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink$Boss.run(NioServerSocketPipelineSink.java:242)
>         at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:101)
>         at org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:46)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>         at java.lang.Thread.run(Unknown Source)
> Caused by: java.util.zip.ZipException: error in opening zip file
>         at java.util.zip.ZipFile.open(Native Method)
>         at java.util.zip.ZipFile.<init>(Unknown Source)
>         at java.util.jar.JarFile.<init>(Unknown Source)
>         at java.util.jar.JarFile.<init>(Unknown Source)
>         at sun.misc.URLClassPath$JarLoader.getJarFile(Unknown Source)
>         at sun.misc.URLClassPath$JarLoader.access$600(Unknown Source)
>         at sun.misc.URLClassPath$JarLoader$1.run(Unknown Source)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.misc.URLClassPath$JarLoader.ensureOpen(Unknown Source)
>         ... 32 more
> 
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