I’m trying to make a threaded TCP server that accept multiple client. It’s only accepting one client. Any idea on how to make the server accepting multiple client? Here is what I tried so far: I changed the server code. I ran both the server and the client, but it seems that it’s only one th…
Tag: networking
Is binding to 0.0.0.0 in Java guaranteed to bind to all network interfaces?
I’ve found empirically that binds to all network interfaces on the current computer (instead of just localhost – 127.0.0.1 or the hostname), but I have not been able to locate the documentation which says that this is guaranteed. Question: Where is it defined that binding to 0.0.0.0 in Java will a…
java.net.ConnectException: Connection refused
I’m trying to implement a TCP connection, everything works fine from the server’s side but when I run the client program (from client computer) I get the following error: I tried changing the socket number in case it was in use but to no avail, does anyone know what is causing this error & how…
SocketChannel: Single or multi , which is better?
SocketChannel is thread safe, so only one channel is need for communication between client and server. the channel served for read/write operations simultaneously But, if we using multi channels (more than one connections between the same client and server), will the io performance be improved ??? If can, why…
Java: no security manager: RMI class loader disabled
Hi I have RMI application and now I try to invoke some methods at server from my client. I have following code: server Is correctly loaded, but when I am trying to call server.registerOHLCProvider(provider); I get these errors: I have added my policy file as VM argument, here is how it looks like: It keeps sa…
Asynchronous IO in Java?
What options for async io (socket-based) are there in java other then java.nio? Also does java.nio use threads in the backround (as I think .NET’s async-socket-library does, maybe it’s been changed) or is it “true” async io using a proper select call? Answer Java’s NIO package (a…