Are you doing all this steps? http://googlewebtoolkit.blogspot.com/2010/08/how-to-use-google-plugin-for-eclipse.html
2011/4/11 Philippe Beaudoin <philippe.beaud...@gmail.com> > I use Maven + Eclipse and I have a strange problem with the Google Eclipse > Plugin deleting some dependencies from the WEB-INF/lib server whenever I do > "Run As > Web Application". Some of the deleted jars are needed to run the > app, in particular gwt-servlet.jar. > > As a result I get a run-time error message, at start-up, saying that > IsSerializable is needed. If I manually copy gwt-servlet.jar to WEB-INF/lib > it does not help. The only workaround I've found is to place gwt-servlet.jar > in src/main/webapp/WEB-INF/lib, whose content is copied when I "Run As > Web > Application". On the other hand, running "mvn gwt:run" works flawlessly and > does copy gwt-servlet.jar to the WEB-INF/lib dir. > > Is this a known behavior and I'm doing something wrong? Is this a known bug > of the GEP? If not, should I report it? > > -- > 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-toolkit@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. > -- 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-toolkit@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.