You are used restricted classes: java.lang.NoClassDefFoundError: java.net.Socket is a restricted class.
See whitelist <http://code.google.com/appengine/docs/java/jrewhitelist.html> classes 2011/4/6 Jose Luis Hernandez <jose.hernande...@gmail.com> > Well, the new error is: > > [ERROR] javax.servlet.ServletContext log: Exception while dispatching > incoming RPC call > com.google.gwt.user.server.rpc.UnexpectedException: Service method > 'public abstract boolean > > com.gwt.app.client.GreetingService.greetServer(java.lang.String,java.lang.String) > throws java.lang.Exception' threw an unexpected exception: > java.lang.NoClassDefFoundError: java.net.Socket is a restricted class. > Please see the Google App Engine developer's guide for more details. > at > com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: > 385) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > 588) > at > > com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java: > 208) > at > > com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java: > 248) > at > > com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java: > 62) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > 511) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1166) > at > > com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java: > 58) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1157) > at > > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java: > 43) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1157) > at > > com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java: > 122) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1157) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java: > 388) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java: > 216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java: > 182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java: > 765) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: > 418) > at > > com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java: > 70) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: > 152) > at com.google.appengine.tools.development.JettyContainerService > $ApiProxyHandler.handle(JettyContainerService.java:351) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: > 152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: > 542) > at org.mortbay.jetty.HttpConnection > $RequestHandler.content(HttpConnection.java:938) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: > 409) > at org.mortbay.thread.QueuedThreadPool > $PoolThread.run(QueuedThreadPool.java:582) > Caused by: java.lang.NoClassDefFoundError: java.net.Socket is a > restricted class. Please see the Google App Engine developer's guide > for more details. > at > > com.google.appengine.tools.development.agent.runtime.Runtime.reject(Runtime.java: > 51) > at org.postgresql.core.PGStream.<init>(PGStream.java:62) > at > > org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java: > 76) > at > > org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java: > 66) > at > > org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Connection.java: > 125) > at > > org.postgresql.jdbc3.AbstractJdbc3Connection.<init>(AbstractJdbc3Connection.java: > 30) > at org.postgresql.jdbc3.Jdbc3Connection.<init>(Jdbc3Connection.java: > 24) > at org.postgresql.Driver.makeConnection(Driver.java:393) > at org.postgresql.Driver.connect(Driver.java:267) > at java.sql.DriverManager.getConnection(DriverManager.java:582) > at java.sql.DriverManager.getConnection(DriverManager.java:185) > at com.gwt.app.server.ManejadorBD.checkUser(ManejadorBD.java:11) > at > > com.gwt.app.server.GreetingServiceImpl.greetServer(GreetingServiceImpl.java: > 15) > 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.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java: > 100) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > 569) > ... 30 more > > On Apr 5, 8:51 pm, Juan Pablo Gardella <gardellajuanpa...@gmail.com> > wrote: > > Put postgresql driver in WEB-INF/lib > > > > Juan > > > > 2011/4/5 Jose Luis Hernandez <jose.hernande...@gmail.com> > > > > > > > > > > > > > > > > > Hello! > > > I am trying to connect my gwt server with postgreSQL database, but I > > > do not get it. It appears the following error message: > > > > > [ERROR] javax.servlet.ServletContext log: Exception while dispatching > > > incoming RPC call > > > com.google.gwt.user.server.rpc.UnexpectedException: Service method > > > 'public abstract boolean > > > > > > com.gwt.app.client.GreetingService.greetServer(java.lang.String,java.lang.String) > > > throws java.lang.Exception' threw an unexpected exception: > > > java.lang.NoClassDefFoundError: org.postgresql.core.Logger is a > > > restricted class. Please see the Google App Engine developer's guide > > > for more details. > > > at > > > com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: > > > 385) > > > at > > > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > > > 588) > > > at > > > > > > com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java: > > > 208) > > > at > > > > > > com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java: > > > 248) > > > at > > > > > > com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java: > > > 62) > > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > > > at > > > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > > > 511) > > > at org.mortbay.jetty.servlet.ServletHandler > > > $CachedChain.doFilter(ServletHandler.java:1166) > > > at > > > > > > com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java: > > > 58) > > > at org.mortbay.jetty.servlet.ServletHandler > > > $CachedChain.doFilter(ServletHandler.java:1157) > > > at > > > > > > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java: > > > 43) > > > at org.mortbay.jetty.servlet.ServletHandler > > > $CachedChain.doFilter(ServletHandler.java:1157) > > > at > > > > > > com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java: > > > 122) > > > at org.mortbay.jetty.servlet.ServletHandler > > > $CachedChain.doFilter(ServletHandler.java:1157) > > > at > > > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java: > > > 388) > > > at > > > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java: > > > 216) > > > at > > > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java: > > > 182) > > > at > > > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java: > > > 765) > > > at > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: > > > 418) > > > at > > > > > > com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java: > > > 70) > > > at > > > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: > > > 152) > > > at com.google.appengine.tools.development.JettyContainerService > > > $ApiProxyHandler.handle(JettyContainerService.java:351) > > > at > > > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: > > > 152) > > > at org.mortbay.jetty.Server.handle(Server.java:326) > > > at > > > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: > > > 542) > > > at org.mortbay.jetty.HttpConnection > > > $RequestHandler.content(HttpConnection.java:938) > > > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) > > > at > org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) > > > at > org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > > > at > > > > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: > > > 409) > > > at org.mortbay.thread.QueuedThreadPool > > > $PoolThread.run(QueuedThreadPool.java:582) > > > Caused by: java.lang.NoClassDefFoundError: org.postgresql.core.Logger > > > is a restricted class. Please see the Google App Engine developer's > > > guide for more details. > > > at > > > > > > com.google.appengine.tools.development.agent.runtime.Runtime.reject(Runtime.java: > > > 51) > > > at org.postgresql.Driver.<clinit>(Driver.java:55) > > > at java.lang.Class.forName0(Native Method) > > > at java.lang.Class.forName(Class.java:169) > > > at com.gwt.app.server.ManejadorBD.checkUser(ManejadorBD.java:10) > > > at > > > > > > com.gwt.app.server.GreetingServiceImpl.greetServer(GreetingServiceImpl.java: > > > 15) > > > 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.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java: > > > 100) > > > at > > > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > > > 569) > > > ... 30 more > > > > > I have two classes on server side, "GreetingServiceImpl" and > > > "ManejadorBD". The first one calls to method "checkUser" from the > > > second class. "ManejadorBD" is like the following code: > > > > > public class ManejadorBD { > > > public boolean checkUser(String user, String pass) throws > Exception{ > > > Class.forName("org.postgresql.Driver"); > > > Connection conn = > > > DriverManager.getConnection("jdbc:postgresql:// > > > localhost:5432/3encult","3encult","3encult"); > > > Statement instruccion = conn.createStatement(); > > > ResultSet tabla = instruccion.executeQuery("SELECT > > > user,password > > > FROM user"); > > > if(user == tabla.getString(0) && pass == > tabla.getString(1)) > > > return > > > true; > > > else return false; > > > } > > > } > > > > > Could someone help me?? > > > Thanks in advance! > > > Regards!!!! > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google Web Toolkit" group. > > > To post to this group, send email to > google-web-toolkit@googlegroups.com. > > > To unsubscribe from this group, send email to > > > google-web-toolkit+unsubscr...@googlegroups.com. > > > For more options, visit this group at > > >http://groups.google.com/group/google-web-toolkit?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-toolkit@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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