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POGuice - Jersey - Servlet binding
 

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    <p>I recently switched to two phase injection and this has created an error in my servlet binding. I am currently toggling between two error modes and not sure which direction is best to pursue.</p> <p>The first error I encountered was:</p> <blockquote> <p>com.sun.jersey.api.container.ContainerException: The ResourceConfig instance does not contain any root resource classes.</p> </blockquote> <p>My servlet module looked like this:</p> <pre><code>public class MyServletModule extends JerseyServletModule { @Override protected void configureServlets() { bind(MyServlet.class).asEagerSingleton(); serve("/*").with(GuiceContainer.class); } } </code></pre> <p>I was able to remove this error by explicitly providing the com.sun.jersey.config.property.packages parameter.</p> <pre><code>public class MyServletModule extends JerseyServletModule { @Override protected void configureServlets() { bind(MyServlet.class).asEagerSingleton(); Map&lt;String,String&gt; parameters = new HashMap&lt;String, String&gt;(); parameters.put(PackagesResourceConfig.PROPERTY_PACKAGES, MyServlet.class.getPackage().getName()); serve("/*").with(GuiceContainer.class, parameters); } } </code></pre> <p>But when I do this, Guice attempts a Just in Time binding which does not respect the @Inject on my servlet constructor.</p> <blockquote> <p>com.google.inject.ConfigurationException: Guice configuration errors:</p> <p>1) Unable to create binding for MyServlet. It was already configured on one or more child injectors or private modules bound at MyServletModule.configureServlets(MyServletModule.java:44) If it was in a PrivateModule, did you forget to expose the binding? while locating MyServlet</p> <p>1 error at com.google.inject.internal.InjectorImpl.getBinding(InjectorImpl.java:150)</p> </blockquote> <p>My servlet has an @Inject constructor who's arguments cannot be bound just in time. After debugging into InjectorImpl, I believe this is the reason that things fail when I use PROPERTY_PACKAGES.</p> <p>I'm just not sure if using PROPERTY_PACKAGES is correct and I need to fix some bindings? Or if that is the wrong direction and I need to fix the original ResourceConfig error in a different way.</p> <p>Help or a push in the right direction is appreciated.</p>
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