I was implementing a custom entity provider in a Jersey REST service when I came across an error during deployment: "java.lang.IllegalStateException: Not inside a request scope." That struck me as a little odd since I was trying to inject a ContainerRequestContext into a MessageBodyWriter, which should have been within request scope. After some research and this Jersey issue I found a solution.

This is what I was trying to do in my class:


...which was throwing this exception...


The solution was to inject a ResourceContext instead and then look up the ContainerRequestContext when needed.

So my injection code became:


...and then to get the ContainerRequestContext I simply got it from the ResourceContext like so:


This worked with Jersey 2.x (2.25.1 in my case).



-i