Issue 256: bindConstant().annotatedWith(clazz).to(null) causes ambigious
error message
http://code.google.com/p/google-guice/issues/detail?id=256
New issue report by juha.mynttinen:
This is not a bug, but an enhancement request.
If I have "bindConstants().annotatedWith(clazz).to(null)" in my code, the
exception thrown will be:
java.lang.NullPointerException: value
at com.google.inject.util.Objects.nonNull(Objects.java:35)
at com.google.inject.ConstantFactory.<init>(ConstantFactory.java:30)
at
com.google.inject.ConstantBindingBuilderImpl$BindingInfo.createBinding(ConstantBindingBuilderImpl.java:161)
at
com.google.inject.ConstantBindingBuilderImpl.createBinding(ConstantBindingBuilderImpl.java:141)
at
com.google.inject.BinderImpl.createConstantBinding(BinderImpl.java:355)
at
com.google.inject.BinderImpl.createConstantBindings(BinderImpl.java:349)
at com.google.inject.BinderImpl.createInjector(BinderImpl.java:249)
at com.google.inject.Guice.createInjector(Guice.java:79)
at com.google.inject.Guice.createInjector(Guice.java:53)
at com.google.inject.Guice.createInjector(Guice.java:43)
If the codebase is full of constant bindings, this message is ambigious,
because it doesn't tell _which_ binding was the problem. Normally the error
messages Guice provides are excellent and very nicely point to the real
reason behind any exception. It'd be good idea to provide a more accurate
error message also in this case.
Issue attributes:
Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
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