Доброго дня форумчане!!!
Решил подружить RMI и Servlet в своем проекте, но не получается!
В RMI идет подключение к dll через native.
Если использовать как десктопное приложение то проблем нет, но Servlet упирается изо всех сил:
Код:
мар 04, 2015 4:27:47 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [rmi.JCRmi] in context with path [/rDisp] threw exception
java.rmi.ConnectIOException: error during JRMP connection establishment; nested exception is:
java.net.SocketException: Connection reset
at sun.rmi.transport.tcp.TCPChannel.createConnection(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.newConnection(Unknown Source)
at sun.rmi.server.UnicastRef.newCall(Unknown Source)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at rmi.JCRmi.processRequest(JCRmi.java:33)
at rmi.JCRmi.doGet(JCRmi.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(Unknown Source)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readByte(Unknown Source)
... 28 more
Клиент RMI в Servlet
Код:
response.setContentType("text/html;charset=UTF-8");
response.setHeader("Cache-Control", "no-cache");
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
out.println("<script>");
Registry registry = LocateRegistry.getRegistry("localhost", 1098);
try {
hello stub = (hello) registry.lookup("hello");
int Count = stub.getCount();
for(int i=0; i < Count; i++){
out.println("window.document.getElementById('"+
stub.getName(i)
+"').innerHTML="+
stub.getData(i)
+";");
}
} catch (NotBoundException e) {
e.printStackTrace();
}
out.println("</script>");
Сервер RMI
Код:
public class Server implements hello {
private static JNativeMetod NativeMetod = new JNativeMetod();
public static void main(String[] args) throws AccessException, RemoteException, AlreadyBoundException, InterruptedException {
Server obj = new Server();
hello stub = (hello) UnicastRemoteObject.exportObject(obj, 0);
Registry registry = LocateRegistry.createRegistry(1098);
registry.bind("hello", stub);
NativeMetod.Run();
}
@Override
public int getCount() throws RemoteException {
return NativeMetod.getCount();
}
@Override
public String getName(int id) throws RemoteException {
return NativeMetod.getName(id);
}
@Override
public String getData(int id) throws RemoteException {
return NativeMetod.getData(id);
}
}