Hi,
After migrate from gwt-2.3.0 to gwt-2.4.0, I face the following NPE when the
requestFactory method returns a List containing a null value :
27 sept. 2011 10:10:39
com.google.web.bindery.requestfactory.server.RequestFactoryServlet doPost
GRAVE: Unexpected error
java.lang.NullPointerException
at
com.google.web.bindery.requestfactory.server.Resolver.resolveClientValue(Resolver.java:618)
at
com.google.web.bindery.requestfactory.server.Resolver.resolveClientValue(Resolver.java:383)
at
com.google.web.bindery.requestfactory.server.SimpleRequestProcessor.processInvocationMessages(SimpleRequestProcessor.java:483)
at
com.google.web.bindery.requestfactory.server.SimpleRequestProcessor.process(SimpleRequestProcessor.java:225)
at
com.google.web.bindery.requestfactory.server.SimpleRequestProcessor.process(SimpleRequestProcessor.java:127)
at
com.google.web.bindery.requestfactory.server.RequestFactoryServlet.doPost(RequestFactoryServlet.java:133)
// in myRequest
Request<List<String>> getStringsWithNull();
Request<List<String>> getStringsWithoutNull();
// in implementation
public List<String> getStringsWithNull() {
return Arrays.asList("test", null, "test");
}
public List<String> getStringsWithoutNull() {
return Arrays.asList("test", "test");
}
Calling getStringsWithoutNull() works as expected but
getStringsWithoutNull() throws the NPE.
Is there a explication for that or is it a bug ?
Alexandre.
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