Ok thanks, i'll find a different host :) On Jun 3, 7:51 am, Sripathi Krishnan <sripathi.krish...@gmail.com> wrote: > You CANNOT connect to databases when using google app engine. GAE has > several restrictions, you should go their documentation and post follow up > questions on the GAE user forum. > > --Sri > > On 1 June 2010 05:16, Emma Cole <emma.cole.positive.vo...@gmail.com> wrote: > > > > > Hi all, > > > I have an application which uses hibernate that runs fine in hosted > > mode, but no longer when deployed. > > Here's the details: > > > In hosted mode it connects to a database that resides on a remote > > server. > > Connection details set in hibernate.cfg.xml > > > When run I it get a long stacktrace with errors similar to the > > following: > > > SEVERE: Unable to instrument > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter > > $ValueWriter$8. Security restrictions may not be entirely emulated. > > > Which apparently has to do with the fact that it's being run in hosted > > mode, and I read that it can be ignored. > > The application saves and retrieves data without problems. > > > After deploying it on appspot and when I try to save a new row in a > > table I get this: > > > javax.servlet.ServletContext log: Exception while dispatching incoming > > RPC call > > com.google.gwt.user.server.rpc.UnexpectedException: Service method > > 'public abstract boolean > > > com.appspot.positivevoice.client.panels.blog.BlogService.saveBlog(com.appspot.positivevoice.client.models.BlogModel)' > > threw an unexpected exception: java.lang.NoClassDefFoundError: Could > > not initialize class com.mysql.jdbc.ConnectionImpl > > at > > com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: > > 378) > > at > > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > > 581) > > > Since the app works fine in hosted mode ( apart from those > > exceptions ) I am not even sure which files I should add to the > > post... > > > Any idea much appreciated! > > > Thanks > > > -- > > 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%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-web-toolkit?hl=en.
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