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 <[email protected]>
wrote:
> Put postgresql driver in WEB-INF/lib
>
> Juan
>
> 2011/4/5 Jose Luis Hernandez <[email protected]>
>
>
>
>
>
>
>
> > 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!!!!
>
> > --
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