Download mysql-connector-java-5.1.5-bin.jar and put into the lib folder On Jan 1, 4:14 am, Sripathi Krishnan <sripathi.krish...@gmail.com> wrote: > You have probably enabled Google App Engine for your project. Disable it > (its a setting in eclipse), and things should run fine. > > You could also be missing the mysql driver jar files in your classpath, but > I assume you have taken care of that. > > --Sri > > 2009/12/31 Abhay Singh <abhay.asi...@gmail.com> > > > > > Hi > > > I am trying to connect Mysql database but getting this error(DB part > > is in server side code, which get invoked through RPC) > > > The server is running athttp://localhost:8080/ > > Call Failed > > Dec 31, 2009 7:07:16 AM com.google.apphosting.utils.jetty.JettyLogger > > warn > > WARNING: Nested in javax.servlet.ServletException: init: > > java.lang.NoClassDefFoundError: com/mysql/jdbc/Connection > > at java.lang.Class.getDeclaredConstructors0(Native Method) > > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357) > > at java.lang.Class.getConstructor0(Class.java:2671) > > at java.lang.Class.newInstance0(Class.java:321) > > at java.lang.Class.newInstance(Class.java:303) > > at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153) > > at org.mortbay.jetty.servlet.ServletHolder.getServlet > > (ServletHolder.java:339) > > at > > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > > 463) > > 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$PoolThread.run > > (BoundedThreadPool.java:442) > > Dec 31, 2009 7:07:16 AM com.google.apphosting.utils.jetty.JettyLogger > > warn > > WARNING: /sample/greet > > java.lang.NoClassDefFoundError: com/mysql/jdbc/Connection > > at java.lang.Class.getDeclaredConstructors0(Native Method) > > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357) > > at java.lang.Class.getConstructor0(Class.java:2671) > > at java.lang.Class.newInstance0(Class.java:321) > > at java.lang.Class.newInstance(Class.java:303) > > at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153) > > at org.mortbay.jetty.servlet.ServletHolder.getServlet > > (ServletHolder.java:339) > > at > > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > > 463) > > at org.mortbay.jetty.servlet.ServletHandler$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) > > > here is my function to connect db... > > import java.sql.SQLException; > > import sample.client.GreetingService; > > import com.google.gwt.user.server.rpc.RemoteServiceServlet; > > import com.mysql.jdbc.Connection; > > import com.mysql.jdbc.ResultSet; > > import com.mysql.jdbc.Statement; > > > @SuppressWarnings("serial") > > public class GreetingServiceImpl extends RemoteServiceServlet > > implements GreetingService { > > public String[] Getdata(){ > > String[] location = null; > > String query = "Select ge_cntry from mst_geo where > > ge_zone='AFRICA'"; > > int ix=0; > > > System.out.println("In Getdata Funtion"); > > try{ > > Connection conn = DBUtils.getConn(); > > Statement select = (Statement) > > conn.createStatement(); > > ResultSet result = (ResultSet) > > select.executeQuery(query); > > while (result.next()) { > > location[ix++] = result.getString(1); > > } > > select.close(); > > result.close(); > > conn.close(); > > }catch(SQLException e){ > > System.err.println("Mysql Statement Error: " + > > query); > > e.printStackTrace(); > > } > > return location; > > } > > } > > > what is wrong here? > > > -- > > > 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-tool...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-web-toolkit+unsubscr...@googlegroups.com<google-web-toolkit%2Bunsubs > > cr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-web-toolkit?hl=en.
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