问@Named的Guice默认值

EN

@Inject
@Named("test.var1")
private int var1 = 2;

Explicit bindings are required and java.lang.Integer annotated with @com.google.inject.name.Named(value=test.var1) is not explicitly bound.
  while locating java.lang.Integer annotated with @com.google.inject.name.Named(value=test.var1)
    for parameter 6 at test1.TestParser.<init>(TestParser.java:62)
  at test1.CarbonServerModule.configure(CarbonServerModule.java:41)

1 error
    at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:435)
    at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:154)
    at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:106)
    at com.google.inject.Guice.createInjector(Guice.java:95)
    at com.google.inject.Guice.createInjector(Guice.java:72)
    at test1.Main.<init>(Main.java:198)
    at test1.Main.main(Main.java:244)