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https://issues.apache.org/jira/browse/OPENEJB-2083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13943186#comment-13943186
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Lou Aloia commented on OPENEJB-2083:
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After doing a little more research it seems that the JAX-RS resource should be
annotated with @RequestScoped to enable CDI injection (see
http://docs.oracle.com/javaee/6/tutorial/doc/gkncy.html).
Using @RequestScoped instead of @ManagedBean works with TomEE 1.5.2 and 1.6.0.
I also tested this successfully in GlassFish 3.1.2.2 and WebSphere Liberty
Profile 8.5.5.0.
> Jax-RS Resource annotated with @ManagedBean
> -------------------------------------------
>
> Key: OPENEJB-2083
> URL: https://issues.apache.org/jira/browse/OPENEJB-2083
> Project: OpenEJB
> Issue Type: Bug
> Components: tomee
> Environment: Windows 7. TomEE JAXRS 1.6.0
> Reporter: Lou Aloia
>
> JAX-RS resource annotated with @ManagedBean throws the following exception
> when attempting to invoke a method on the resource:
> Caused by: org.apache.openejb.SystemException:
> java.lang.NullPointerException: Cannot obtain an instance of the stateful
> session bean with a null session id: Cannot obtain an instance of the
> stateful session bean with a null session id
> at
> org.apache.openejb.core.managed.ManagedContainer.obtainInstance(ManagedContainer.java:630)
> at
> org.apache.openejb.core.managed.ManagedContainer.businessMethod(ManagedContainer.java:586)
> ... 40 more
> The resource only has stateless session beans that are injected into it; no
> stateful session beans.
> The application works fine on TomEE JAX-RS 1.5.2.
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