Hi:
We try to use Guice in the Google App Engine for Java, it works fine
in our test cases and the deploying system,
but it always fails when running on the local dev server, following
exception was threw which using the 'Binding Generic Types' :
com.google.inject.ConfigurationException: Guice configuration errors:
1) No implementation for soso.dao.GenericDao<soso.model.Foo,
com.google.appengine.api.datastore.Key> was bound.
while locating soso.dao.GenericDao<soso.model.Foo,
com.google.appengine.api.datastore.Key>
for field at soso.controller.foo.IndexController.fooDao(Unknown
Source)
while locating soso.controller.foo.IndexController
1 error
at
com.google.inject.InjectorImpl.getMembersInjector(InjectorImpl.java:
734)
at
com.google.inject.InjectorImpl.getMembersInjector(InjectorImpl.java:
739)
at com.google.inject.InjectorImpl.injectMembers(InjectorImpl.java:
725)
...
The exception says it could find implementation for
soso.dao.GenericDao<soso.model.Foo,
com.google.appengine.api.datastore.Key>, but in the following message
you can find the injector has the right binding information:
Injector[bindings=[ProviderInstanceBinding[key=Key[type=com.google.inject.Injector,
annotation=[none]], source=[unknown source], scope=Scopes.NO_SCOPE,
provider=Provider<Injector>],
ProviderInstanceBinding[key=Key[type=java.util.logging.Logger,
annotation=[none]], source=[unknown source], scope=Scopes.NO_SCOPE,
provider=Provider<Logger>],
InstanceBinding[key=Key[type=com.google.inject.Stage,
annotation=[none]], source=[unknown source], instance=DEVELOPMENT],
...
InstanceBinding[key=Key[type=soso.dao.GenericDao<soso.model.Foo,
com.google.appengine.api.datastore.Key>, annotation=[none]],
source=soso.config.SlimModule.configure(SlimModule.java:47),
instance=soso.dao.impl.slim...@1e3e7d2], ...
I have tried it under JDK 5,6 and GAE 1.3.4 and 1.3.7, all got the
same result.
Thanks very much in advance.
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