hm... I had similar problem with jdbc... if you are using eclipse, try to go under Project->properties->google->App Engine and disable "Use Google App Engine" checkbox .
regards :) On 20 Giu, 02:00, Petein <[email protected]> wrote: > package faceRecognition.server; > > import faceRecognition.client.AuthService; > import com.google.gwt.user.server.rpc.RemoteServiceServlet; > > import java.sql.*; > import java.util.*; > import java.text.SimpleDateFormat; > > /** > * The server side implementation of the RPC service. > */ > @SuppressWarnings("serial") > public class AuthServiceImpl extends RemoteServiceServlet implements > AuthService { > > public String doAuthenticate(String name, String surname, > String username, String password, > String email, String info){ > > String serverInfo = getServletContext().getServerInfo(); > String userAgent = > getThreadLocalRequest().getHeader("User-Agent"); > > //jdbc part > > /* > Connection con = null; > try { > > Class.forName("com.mysql.jdbc.Driver").newInstance(); > > //out.println("<br>driver is ok"); > > String url = "jdbc:mysql://" + "localhost" + "/" + > "USERSDB" + "?"; > String usernamedb = "root"; > String passworddb = ""; > con = (Connection) DriverManager.getConnection(url, > usernamedb, passworddb); > > Statement st = con.createStatement(); > ResultSet rs; > > rs = st.executeQuery("SELECT username, password FROM > users"); > > boolean found = false; > > while (rs.next()) { > usernamedb = rs.getString(1); > passworddb = rs.getString(2); > > if (usernamedb.equals(username)) { > found = true; > break; > } > } > > if (!found){ > > password = " a"; > //create user > > String sql = "INSERT INTO testusers(name, username, > password, info) VALUES(?, ?, ?, ?)"; > > PreparedStatement pstmt = con.prepareStatement(sql); > > // Set the values > pstmt.setString(1, name); > pstmt.setString(2, username); > pstmt.setString(3, password); > pstmt.setString(4, info); > > //Calendar calendar = new GregorianCalendar(); String > time = calendar.getTime().toString(); //Thu Jun 11 02:30:10 EEST 2009 > > //String time = new GregorianCalendar().getTime > ().toString(); > > //pstmt.setString(5, time); > > pstmt.execute(); > > } > > }catch(ClassNotFoundException cnfe){ > return(cnfe.toString()); > } catch(SQLException sqle){ > return(sqle.toString()); > } catch(InstantiationException ie){ > return(ie.toString()); > }catch (IllegalAccessException iae) { > return(iae.toString()); > } > > */ > > return "Hello, " + name + " " + surname + "!<br><br>Server > info: " > + serverInfo > + ".<br><br>Using:<br>" + userAgent + " Your > request was sent!"; > } > > } > > when this part of code is executed without the jdbc part it executes > fine and the RPC method works ok. > When i execute the code as it is above i get these errors: > The server is running athttp://localhost:1598/ > 19 Ιουν 2009 11:33:32 μμ > com.google.appengine.tools.development.ApiProxyLocalImpl log > SEVERE: [1245454412421000] javax.servlet.ServletContext log: Exception > while dispatching incoming RPC call > com.google.gwt.user.server.rpc.UnexpectedException: Service method > 'public abstract java.lang.String > faceRecognition.client.AuthService.doAuthenticate > (java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String)' > threw an unexpected exception: java.lang.ExceptionInInitializerError > at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure > (RPC.java:360) > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > (RPC.java:546) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall > (RemoteServiceServlet.java:166) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost > (RemoteServiceServlet.java:86) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) > at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > 487) > at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter > (ServletHandler.java:1093) > at > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter > (TransactionCleanupFilter.java:43) > at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter > (ServletHandler.java:1084) > at org.mortbay.jetty.servlet.ServletHandler.handle > (ServletHandler.java:360) > at org.mortbay.jetty.security.SecurityHandler.handle > (SecurityHandler.java:216) > at org.mortbay.jetty.servlet.SessionHandler.handle > (SessionHandler.java:181) > at org.mortbay.jetty.handler.ContextHandler.handle > (ContextHandler.java:712) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: > 405) > at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle > (DevAppEngineWebAppContext.java:54) > at org.mortbay.jetty.handler.HandlerWrapper.handle > (HandlerWrapper.java:139) > at com.google.appengine.tools.development.JettyContainerService > $ApiProxyHandler.handle(JettyContainerService.java:306) > at org.mortbay.jetty.handler.HandlerWrapper.handle > (HandlerWrapper.java:139) > at org.mortbay.jetty.Server.handle(Server.java:313) > at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: > 506) > at org.mortbay.jetty.HttpConnection$RequestHandler.content > (HttpConnection.java:844) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:205) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) > at org.mortbay.io.nio.SelectChannelEndPoint.run > (SelectChannelEndPoint.java:396) > at org.mortbay.thread.BoundedThreadPool$PoolThread.run > (BoundedThreadPool.java:442) > Caused by: java.lang.ExceptionInInitializerError > at com.mysql.jdbc.NonRegisteringDriver.connect > (NonRegisteringDriver.java:282) > at java.sql.DriverManager.getConnection(DriverManager.java:582) > at java.sql.DriverManager.getConnection(DriverManager.java:185) > at faceRecognition.server.AuthServiceImpl.doAuthenticate > (AuthServiceImpl.java:37) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:39) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > (RPC.java:527) > ... 25 more > Caused by: java.security.AccessControlException: access denied > (java.lang.RuntimePermission modifyThreadGroup) > at java.security.AccessControlContext.checkPermission > (AccessControlContext.java:323) > at java.security.AccessController.checkPermission > (AccessController.java:546) > at java.lang.SecurityManager.checkPermission(SecurityManager.java: > 532) > at com.google.appengine.tools.development.DevAppServerFactory > $CustomSecurityManager.checkPermission(DevAppServerFactory.java:122) > at com.google.appengine.tools.development.DevAppServerFactory > $CustomSecurityManager.checkAccess(DevAppServerFactory.java:149) > at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:288) > at java.lang.Thread.init(Thread.java:332) > at java.lang.Thread.<init>(Thread.java:377) > at java.util.TimerThread.<init>(Timer.java:456) > at java.util.Timer.<init>(Timer.java:71) > at java.util.Timer.<init>(Timer.java:122) > at com.mysql.jdbc.ConnectionImpl.<clinit>(ConnectionImpl.java:208) > ... 34 more > > What's going on? I tried the same code with my jsp and it works fine --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
