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POUnable to wire-up the swagger with RestEasy, Spring, JBoss AS 7.1.1
 

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  1. POUnable to wire-up the swagger with RestEasy, Spring, JBoss AS 7.1.1
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    <p>I am using JBoss AS 7.1.1, RestEasy 2.3.5.Final, Swagger 1.2.0, Spring 3.1.1</p> <p>Here is my web.xml,</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;web-app&gt; &lt;listener&gt; &lt;listener-class&gt;org.springframework.web.context.ContextLoaderListener&lt;/listener-class&gt; &lt;/listener&gt; &lt;context-param&gt; &lt;param-name&gt;contextConfigLocation&lt;/param-name&gt; &lt;param-value&gt;classpath:/META-INF/spring/application-context.xml&lt;/param-value&gt; &lt;/context-param&gt; &lt;servlet&gt; &lt;servlet-name&gt;Bootstrap&lt;/servlet-name&gt; &lt;servlet-class&gt;com.js.api.Bootstrap&lt;/servlet-class&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet&gt; &lt;servlet-name&gt;springServlet&lt;/servlet-name&gt; &lt;servlet-class&gt;org.springframework.web.servlet.DispatcherServlet&lt;/servlet-class&gt; &lt;init-param&gt; &lt;param-name&gt;contextConfigLocation&lt;/param-name&gt; &lt;param-value&gt;/WEB-INF/spring/servlet-context.xml&lt;/param-value&gt; &lt;/init-param&gt; &lt;init-param&gt; &lt;param-name&gt;swagger.config.reader&lt;/param-name&gt; &lt;param-value&gt;com.js.api.RestEasyConfigReader&lt;/param-value&gt; &lt;/init-param&gt; &lt;init-param&gt; &lt;param-name&gt;swagger.api.basepath&lt;/param-name&gt; &lt;param-value&gt;http://localhost:8080/js&lt;/param-value&gt; &lt;/init-param&gt; &lt;init-param&gt; &lt;param-name&gt;api.version&lt;/param-name&gt; &lt;param-value&gt;1.0&lt;/param-value&gt; &lt;/init-param&gt; &lt;load-on-startup&gt;2&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;springServlet&lt;/servlet-name&gt; &lt;url-pattern&gt;/&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;/web-app&gt; </code></pre> <p>spring application-context &amp; servlet-context.xml are fine and my REST services are wired up and working. But only swagger is not working. Here is ApiListingResource,</p> <pre><code>package com.js.resource; import javax.ws.rs.Path; import javax.ws.rs.Produces; import org.springframework.stereotype.Controller; import com.wordnik.swagger.annotations.Api; import com.wordnik.swagger.jaxrs.listing.ApiListing; @Path("/api-docs") @Api("/api-docs") @Produces({ "application/json" }) @Controller public class ApiListingResource extends ApiListing { } </code></pre> <p>I checked and @Context injection is not working in RestEasy 2.3.5. Anyway created a custom config reader,</p> <pre><code>import javax.servlet.ServletConfig; import com.wordnik.swagger.jaxrs.ConfigReader; public class RestEasyConfigReader extends ConfigReader { private ServletConfig config; public RestEasyConfigReader(ServletConfig config){ this.config = config; } @Override public String basePath() { return getParameterOrDefault("swagger.api.basepath", "http://localhost:8080/js"); } @Override public String swaggerVersion() { return "1.2"; } @Override public String apiVersion() { return "1.0"; } @Override public String modelPackages() { return "com.js.model"; } @Override public String apiFilterClassName() { return null; } private String getParameterOrDefault(String key, String defaultValue){ if ((config != null) &amp;&amp; (config.getInitParameter(key) !=null )) return config.getInitParameter(key); return defaultValue; } } </code></pre> <p>I am always getting NPE error when I try to access <code>http://localhost:8080/js/api-docs</code></p> <pre><code>java.lang.NullPointerException com.wordnik.swagger.jaxrs.ConfigReaderFactory$.getConfigReader(Help.scala:88) com.wordnik.swagger.jaxrs.listing.ApiListing.resourceListing(ApiListing.scala:64) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:601) org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155) org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211) org.jboss.resteasy.springmvc.ResteasyHandlerAdapter.createModelAndView(ResteasyHandlerAdapter.java:87) org.jboss.resteasy.springmvc.ResteasyHandlerAdapter.handle(ResteasyHandlerAdapter.java:74) org.jboss.resteasy.springmvc.ResteasyHandlerAdapter.handle(ResteasyHandlerAdapter.java:24) org.jboss.resteasy.springmvc.ResteasyWebHandlerTemplate.handle(ResteasyWebHandlerTemplate.java:39) org.jboss.resteasy.springmvc.ResteasyHandlerAdapter.handle(ResteasyHandlerAdapter.java:45) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) javax.servlet.http.HttpServlet.service(HttpServlet.java:734) javax.servlet.http.HttpServlet.service(HttpServlet.java:847) </code></pre>
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    1. COI checked the code. @ Context ServletConfig injection in Swagger code is not working when bootstrapped with Spring. It is strange. Without Spring, RESTEasy is injecting @ Context
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      1. POUnable to wire-up the swagger with RestEasy, Spring, JBoss AS 7.1.1
      1. USjaks
    2. COFor reference, you can get the same stacktrace without Spring if you use the RESTEasy FilterDispatcher rather than the HttpServletDispatcher.
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      1. USJames Baxter
    3. COIts all due to @Context injection not working when it is specified as function parameter.
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