can you send the stacktrace? btw getresultlist can return null i think with some providers.
- Romain 2012/7/26 georgenis <[email protected]> > Hi guys, > > i have got a problem about NullPointer-Exceptions....on my EJB i have got a > method....this one: > > public String[] findOnlineUser() { > Query query = entityManager.createQuery("SELECT x FROM > UserInformation > x WHERE x.online='"+true+"'"); > List<UserInformation> userList = (List<UserInformation>) > query.getResultList(); > String[] users = new String[userList.size()]; > int i=0; > for(UserInformation user:userList) { > users[i] = user.getId(); > i++; > } > > if(userList.size()==0) > return new String[] {}; > > return users; > } > > On my testprogramm I have got a source code looks like this.... > > UserService userService = > service.getPort(UserService.class); > String[] onlineUsers = userService.findOnlineUser("myId"); > System.out.println(onlineUsers); > > My Output > null > But in my method i try to hide the result of "null". Is there any mistake > or > is it because XML-Transformation via Webservices (Data - to SOAP - to > Data)? > > Kind of Regards > > george > > > > -- > View this message in context: > http://openejb.979440.n4.nabble.com/NullPointerException-but-i-would-like-hide-it-tp4656534.html > Sent from the OpenEJB User mailing list archive at Nabble.com. >
