exception while running rpc procedure

[HDayi]

hi there, iam getting the following exception while trying to run the
rpc procedure.
running code is following the stack trace:

The server is running at http://localhost:8080/
16.Kas.2009 13:29:51
com.google.appengine.tools.development.ApiProxyLocalImpl log
SEVERE: [1258378191128000] javax.servlet.ServletContext log: Exception
while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract java.lang.String
tr.bel.kocasinan.client.KocasinanSrv.benString(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 com.google.appengine.tools.development.StaticFileFilter.doFilter
(StaticFileFilter.java:121)
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
$ApiProxyHandler.handle(JettyContainerService.java:313)
at org.mortbay.jetty.handler.HandlerWrapper.handle
(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:313)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
506)
at org.mortbay.jetty.HttpConnection$RequestHandler.content
(HttpConnection.java:844)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
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(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at tr.bel.kocasinan.server.KocasinanSrvImpl.benString
(KocasinanSrvImpl.java:39)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse
(RPC.java:527)
... 27 more
Caused by: java.security.AccessControlException: access denied
(java.lang.RuntimePermission modifyThreadGroup)
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at com.google.appengine.tools.development.DevAppServerFactory
$CustomSecurityManager.checkPermission(DevAppServerFactory.java:139)
at com.google.appengine.tools.development.DevAppServerFactory
$CustomSecurityManager.checkAccess(DevAppServerFactory.java:166)
at java.lang.ThreadGroup.checkAccess(Unknown Source)
at java.lang.Thread.init(Unknown Source)
at java.lang.Thread.<init>(Unknown Source)
at java.util.TimerThread.<init>(Unknown Source)
at java.util.Timer.<init>(Unknown Source)
at java.util.Timer.<init>(Unknown Source)
at com.mysql.jdbc.ConnectionImpl.<clinit>(ConnectionImpl.java:208)
... 36 more


the code i am trying to run

public String benString(String s) {
// TODO Auto-generated method stub
Connection conn = null;
String url = "jdbc:mysql://127.0.0.1:3306/";
String db = "KOCASINAN";
String driver = "com.mysql.jdbc.Driver";
String user = "root";
String pass = "root";
String query = "select * from USER WHERE NO=345678" ;
String sonuc = "nah";


try {
Class.forName(driver).newInstance();
conn = DriverManager.getConnection(url+db, user, pass);
} catch (SQLException e) {
System.err.println("Mysql Connection Error: ");
e.printStackTrace();
}
catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
Statement select;
try {
select = conn.createStatement();
ResultSet rset = select.executeQuery(query);
while (rset.next()) {
sonuc = rset.getString(2) + " " + rset.getString(3);
}
rset.close();
select.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}

return "Muhatab: " + sonuc;
}


thx

[Leon]

Hi HDayi,

I met the same problem. I have no idea what went wrong and I could not
find the log file. Do you have any idea what went wrong now?

Thanks!

Leon

On Nov 16, 8:34 am, HDayi <hacid...@gmail.com> wrote:
> hi there, iam getting the following exception while trying to run the
> rpc procedure.
> running code is following the stack trace:
>

> The server is running athttp://localhost:8080/

> 16.Kas.2009 13:29:51
> com.google.appengine.tools.development.ApiProxyLocalImpllog

> SEVERE: [1258378191128000] javax.servlet.ServletContextlog: Exception