hi, would not it be better to have a compilation error in such case, with precise information like class and problem description?? see http://code.google.com/p/google-web-toolkit/issues/detail?id=4828
regards Michael On Jun 3, 6:15 am, Sripathi Krishnan <sripathi.krish...@gmail.com> wrote: > Confirm that all classes participating in RPC - > > 1. implement Serializable > 2. have a zero-argument constructor > > Most of the times I forget zero-argument constructor, and that's when I get > errors similar to what you have pasted. > > --Sri > > On 31 May 2010 20:23, svincent <shawn.vinc...@gmail.com> wrote: > > > Greetings, > > > I'm having a frustrating time debugging a bunch of code I'm trying to > > port to GWT. There are various subtle serialization issues (not > > surprising, since GWT has its special rules). > > > The real problem I'm running in to is that the exception I keep > > getting is this: > > > com.google.gwt.user.client.rpc.SerializationException: null > > at > > > com.google.gwt.user.client.rpc.impl.SerializerBase.check(SerializerBase.java: > > 161) > > at > > > com.google.gwt.user.client.rpc.impl.SerializerBase.serialize(SerializerBase.java: > > 145) > > at > > > com.google.gwt.user.client.rpc.impl.ClientSerializationStreamWriter.serialize(ClientSerializationStreamWriter.java: > > 199) > > ... > > > This exception is terrible: it doesn't tell me what class is having > > the trouble. It tries to print out the 'typeSignature', but the > > typeSignature is null for classes with certain types of serialization > > issues. > > > A couple of thoughts: > > > 1. it would be Really Nice if GWT could be changed to fix this > > exception to be more meaningful (at least include the class name > > that's having the trouble) > > > 2. Does anybody have tips on what to do when you get this exception? > > I've encountered one case: don't have fields of type java.lang.Object > > in your GWT Serializable classes. Is there more? > > > Thanks! > > -Shawn. > > > -- > > 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. -- 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. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.