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Cannot Open Socket Java

more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Not the answer you're looking for? What I mean by that is that you might want to add a new method with this signature: Socket openSocket(String server, int port, int timeout) throws Exception As a final note, share|improve this answer answered Oct 17 '11 at 12:20 orien 29413 Thanks for this; that's useful info in its own right. Source

Example 2 converts the server program to a multi-threaded version so it can handle requests from more than one client. This article demonstrates both (a) how to write to a Java socket, and (b) how to read from a Java socket. Ernest Friedman-Hill author and iconoclast Marshal Posts: 24212 35 I like... Please type your message and try again. http://stackoverflow.com/questions/9048598/java-cant-connect-with-serversocket

Back to top Background I’ve been working with Java networking lately, specifically writing some Java socket client applications to communicate over networks using Java sockets. or how can i identify all those clients? The actionPerformed method then makes the Textfield object blank so it is ready for more end user input. Once we hit the condition of not being able to open a socket, we have to restart the Java app. (Somewhat strangely, though, we can still make a call out using

About the Examples The examples for this lesson consist of two versions of the client and server program pair adapted from the FileIO.java application presented in Part 1, Lesson 6: File And have this client: import java.net.Socket; public class Main { public static void main(String[] args) throws Exception { System.out.println("Trying to connect..."); Socket s = new Socket("123.456.7.890", 4031); System.out.println("Cool"); s.close(); } } thanks for your answers. Re: Cannot Open Socket on Specific Address/Port EJP Dec 1, 2011 6:40 AM (in response to 825178) I have to write an interface which is IP and port limited from the

Right-click on the Enterprise Server station and open its Properties sheet 4. How do I handle this? Strength check between medium size and large size Underbrace under nested square roots Did a thief think he could conceal his identity from security cameras by putting lemon juice on his http://stackoverflow.com/questions/26306856/cannot-connect-java-socket-server-and-client The actionPerformed method also receives the data back from the server and prints it to the command line.

Post Reply Bookmark Topic Watch Topic New Topic Similar Threads positioning of components w/o using layout managers J2ME HttpConnection problem ... In Doctor Strange what was the title of the book Stan Lee was reading in his cameo? The socket associates the server program with a specific hardware port on the machine where it runs so any client program anywhere in the network with a socket associated with that Please note that the port number must now be included in the station's addresswhen accessing the Enterprise Server. 2621Views Print Share Quick Links The Exchange Knowledgebase Help The Exchange The

The OK or FAIL column Total distance traveled when visiting all rational numbers Operator ASCII art Why are password boxes always blanked out when other sensitive data isn't? https://community.oracle.com/thread/2318509?start=0 One way to handle requests from more than one client is to make the server program multi-threaded. Ballpark salary equivalent today of "healthcare benefits" in the US? Is this Business or Tourism?

int timeoutInMs = 10*1000; // 10 seconds socket.connect(socketAddress, timeoutInMs); return socket; } catch (SocketTimeoutException ste) { System.err.println("Timed out waiting for the socket."); ste.printStackTrace(); throw ste; } } } Back to top this contact form Anyway, you don't need to have the applet open a server socket to be a chat client. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science When a client connects to the server for the first time, i send the clients username and ip to the server.

Both programs just hang in there, waiting. How can the version of the Cloudscape database that is running on a Niagara R2 Enterprise Server be determined? Most server software behave like that in the default configuration due to security reasons. have a peek here Changing this from the default is a very bad idea -- would you want the computers at your organization to download code over the network which could then set up a

Why won't curl download this link when a browser will? In fact, I used Chrome Remote Desktop to control the server and check its status. By default, IIS connects and utilizes Port 80 when installed and running.

String result = writeToAndReadFromSocket(socket, "GET /\n\n"); // print out the result we got back from the server System.out.println(result); // close the socket, and we're done socket.close(); } catch (Exception e) {

has anyone an idea? The call to server.close() in the finalize() method closes the Socket connection used by each thread in this program. A thread is a sequence of instructions that run independently of the program and of any other threads. public void listenSocket(){ try{ server = new ServerSocket(4444); } catch (IOException e) { System.out.println("Could not listen on port 4444"); System.exit(-1); } while(true){ ClientWorker w; try{ //server.accept returns a client connection w

How do pilots identify the taxi path to the runway? try calling server.bind(new InetSocketAddress("0.0.0.0", port)); share|improve this answer edited Jan 28 '12 at 21:17 answered Jan 28 '12 at 21:11 ApriOri 1,1461527 It didn't help. –Stripies Jan 28 '12 asked 2 years ago viewed 2500 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 495What is the difference between a port and a socket?1Client Check This Out IIS and WorkPlace Pro (station database) have a conflict issue related to Port 80.

About the Examples Example 1: Server-Side Program Example 1: Client-Side Program Example 2: Multithreaded Server Example More Information Note: See Creating a Threaded Slide Show Applet for another example of new Socket(sHostAddr, nHostPort, InetAddress.getByName("127.0.0.1"), 1030); causes java.net.SocketException: Network is unreachable at java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:-2) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at java.net.Socket.connect(Socket.java:478) at java.net.Socket.(Socket.java:375) at java.net.Socket.(Socket.java:249) at ts.sswitch.s.fcic.FCICConn.openSocket(FCICConn.java:569) at This actionPerformed method code gets the text in the Textfield object and passes it to the PrintWriter object, which then sends it over the socket connection to the server program. Moving a member function from base class to derived class breaks the program for no obvious reason Strength check between medium size and large size Hyper Derivative definition.

Was a massive case of voter fraud uncovered in Florida? Can I hint the optimizer by giving the range of an integer? Your problem is not in the client. This indicates that the client side successfully created its client socket and attempted to contact the server, however no response came back.

Your requirement needs reviewing. Example 1: Client-Side Behavior The client program presents a simple user interface and prompts for text input.