Error Java.net.socketexception Too Many Open Files
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Java.net.socketexception Too Many Open Files Websphere
Join them; it only takes a minute: Sign up java.net.SocketException: Too many open files up vote 12 down vote favorite 4 I have a java app which runs just fine (on Ubuntu 10.04) for few hours until it hits "java.net.SocketException: Too many open files". The code for Sender.java can be found here Is it because I create a new instance of HttpPut and HttpPost for each thread? I'm using apache-commons HTTPClient 4. Here's the exception log: java.net.SocketException: Too many open files at java.net.Socket.createImpl(Socket.java:414) at java.net.Socket.connect(Socket.java:544) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:133) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:108) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:641) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:576) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:554) at com.marketplace.io.Sender.doBasicHttpPost(Sender.java:434) at com.marketplace.io.Sender.appVisualExists(Sender.java:223) at com.marketplace.io.Sender.addVisualToCollection(Sender.java:350) at com.marketplace.service.ImageThread.run(ImageThread.java:136) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.conc
many files open java.io.IOException in Tomcat, Weblogic Server Not many Java programmers knows that socket connections are treated like files and they use file descriptor, which is a limited resource. Different operating
Java Too Many Open Files Linux
system has different limits on number of file handles they can manage. java.net.socketexception too many open files httpclient One of the common reason of java.net.SocketException: Too many files open in Tomcat, Weblogic or any Java application server is, java.net.socketexception too many open files in system too many clients connecting and disconnecting frequently at very short span of time. Since Socket connection internally use TCP protocol, which says that a socket can remain in TIME_WAIT state for some http://stackoverflow.com/questions/5656458/java-net-socketexception-too-many-open-files time, even after they are closed. One of the reason to keep closed socket in TIME_WAIT state is to ensure that delayed packets reached to the corresponding socket. Different operating system has different default time to keep sockets in TIME_WAIT state, in Linux it's 60 seconds, while in Windows is 4 minutes. Remember longer the timeout, longer your closed socket will keep file handle, which http://javarevisited.blogspot.com/2013/08/how-to-fix-javanetsocketexception-too-many-open-files-java-tomcat-weblogic.html increase chances of java.net.SocketException: Too many files open exception. This also means, if you are running Tomcat, Weblogic, Websphere or any other web server in windows machine, you are more prone to this error than Linux based systems e.g. Solaris or Ubuntu. By the way this error is same as java.io.IOException: Too many files open exception, which is throw by code from IO package if you try to open a new FileInputStream or any stream pointing to file resource. How to solve java.net.SocketException: Too many files open Now, we know that this error is coming because clients are connecting and disconnecting frequently. If that's seems unusual to your application, you can find the culprit client and prohibit them from reconnecting from making a connection, but if that is something, your application may expect and you want to handle it on your side, you have two options : 1) Increase number of open file handles or file descriptors per process. 2) Reduce timeout for TIME_WAIT state in your operating system In UNIX based operating system e.g. Ubuntu or Solaris, you can use command ulimit -a to find out how many open file handle
Search Forums Home » Liferay Portal » English » 2. Using Liferay » General Recent Posts Statistics RSS (Opens New Window) Answer (Unmark) Mark as https://web.liferay.com/community/forums/-/message_boards/view_message/3770218 an Answer Threads [ Previous | Next ] Getting error : java.net.SocketException: Too many open files Satish Kumar Gunuputi August 11, 2009 6:51 AM RE: Getting error : java.net.SocketException: Too many open files Joffré Carrier August 11, 2009 9:29 AM RE: Getting error : java.net.SocketException: Too many open files Zsolt Balogh August 11, 2009 too many 9:34 AM RE: Getting error : java.net.SocketException: Too many open files Satish Kumar Gunuputi August 12, 2009 2:25 AM RE: Getting error : java.net.SocketException: Too many open files Lisa Simpson August 13, 2009 8:18 AM RE: Getting error : java.net.SocketException: Too many open files Satish Kumar Gunuputi August 17, 2009 3:16 AM RE: Getting too many open error : java.net.SocketException: Too many open files Satish Kumar Gunuputi August 18, 2009 5:25 AM RE: Getting error : java.net.SocketException: Too many open files Lisa Simpson August 18, 2009 10:03 AM RE: Getting error : java.net.SocketException: Too many open files Satish Kumar Gunuputi August 18, 2009 10:27 PM Getting error : java.net.SocketException: Too many open files August 11, 2009 6:51 AM Answer Satish Kumar Gunuputi Rank: New Member Posts: 19 Join Date: May 18, 2009 Recent Posts Hi Folks,Could someone help me on finding the root cause of the issue leading to the below error ? org.apache.tomcat.util.net.JIoEndpoint$Acceptor runSEVERE: Socket accept failedjava.net.SocketException: Too many open files at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384) at java.net.ServerSocket.implAccept(ServerSocket.java:453) at com.sun.net.ssl.internal.ssl.SSLServerSocketImpl.accept(SSLServerSocketImpl.java:259) at org.apache.tomcat.util.net.jsse.JSSESocketFactory.acceptSocket(JSSESocketFactory.java:147) at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:310) at java.lang.Thread.run(Thread.java:619)thanks in advance.-Satish. Sign in to vote. Flag Please sign in to flag this as inappropriate. RE: Getting error : java.net.SocketException: Too many open files August 11, 2009 9:29 AM Answer Joffré Carrier Rank: Junior Member Posts: 28 Join Date: Ju