Hi everybody,
I'm new with GWT and actually experimenting with external servers.
I need to write a web application that is running on an internal web
server. For testing purposes I'm using Tomcat. I've experimented with
the UserService of the App Engine which is working at while developing
and when I deploy it on an app engine at Google.
On my Tomcat everything is working but the UserService. I get every
time the following exception:
java.lang.NullPointerException
com.google.appengine.api.users.UserServiceImpl.getCurrentUser(UserServiceImpl.java:
102)
testa.servlet.GuestbookServlet.doGet(GuestbookServlet.java:13)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
I looked around and only found that error in other frameworks but was
not able to solve my issue.
I'm not restricted to Tomcat but I need to use an external web server.
Some tests with Glassfish showed some deployment errors. Other I've
not tested yet.
Does anyone know where my issue is coming from? Are there any
recommendations which external application server I should use? Are
there any special settings for those server necessary?
Thanks in advanced for some starting help!
devel
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