Swagger 1.5.3 not able to read the JSON for Jersey2.17

[vishak v]

Hi Team,

    I have configured the Swagger1.5.3 and i configured the application. Please find the information below

1] Added the gradle download 'io.swagger:swagger-jaxrs:1.5.3'

2] Added all the jars and dependents listed below
a) Jackson Libraries
b)swagger-jersey2-jaxrs-1.5.3
c)swagger-annotations-1.5.3
d)swagger-core-1.5.3
e)swagger-jaxrs-1.5.3
f)swagger-models-1.5.3
g)reflections-0.9.9

No Scala libraries as the dependencies are removed.
3] In Web.xml configured the following properties

<servlet>
    <servlet-name>Jersey2Config</servlet-name>
    <servlet-class>io.swagger.jersey.config.JerseyJaxrsConfig</servlet-class>
    <init-param>
      <param-name>api.version</param-name>
      <param-value>1.0</param-value>
    </init-param>
    <init-param>
      <param-name>swagger.api.basepath</param-name>
      <param-value>http://localhost/swagger/api/1.0</param-value>
    </init-param>
  </servlet>

<servlet>
   <servlet-name>Jersey REST Service</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
        <init-param>
            <param-name>jersey.config.server.provider.packages</param-name>
            <param-value>io.swagger.jaxrs.listing</param-value>
        </init-param>
        <init-param>
            <param-name>jersey.config.server.provider.classnames</param-name>
            <param-value>org.glassfish.jersey.media.multipart.MultiPartFeature</param-value>
        </init-param>
</servlet>

When i try to access http://localhost/swagger/index.html "swagger" is my context root.

I get the error Can't read swagger JSON from http://localhost/swagger/api/1.0/api-docs

However if i try http://localhost/swagger/sample.json  it loads the static JSON.

Can anyone please help me in this context.

Regards
Vishak

 

[Saad Mufti]

Your basepath servlet init parameter should be just "/swagger" with no http://localhost and nothing after "/swagger". The basepath is basicaly just the webapp context path of your webapp. If you need the host to be set also, that is a separate init parameter called "host", otherwise the UI will point relative to where the Swagger UI is served from.

----
Saad

[Ron Ratovsky]

Vishak,

It sounds like you migrated from 1.3 to 1.5. One of the changes in 1.5 is that the Swagger definition is no longer hosted under /api-docs but rather under /swagger.json - give it and try and it should work if everything is configured properly.

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[vishak v]

Thanks Ron,

  It really worked for me, but currently i'm getting this error below. Can you please tell me how to resolve it
2015-10-12 12:37:49,342 DEBUG [TP-Processor3] io.swagger.jackson.ModelResolver [ModelResolver.java:204] @javax.xml.bind.annotation.XmlRootElement(name=assigneditem, namespace=##default)
2015-10-12 12:37:49,342 DEBUG [TP-Processor3] io.swagger.jackson.ModelResolver [ModelResolver.java:312] overriding datatype from [simple type, class long] to java.lang.long
2015-10-12 12:37:49,373 DEBUG [TP-Processor3] i.s.c.ModelConverterContextImpl [ModelConverterContextImpl.java:74] resolveProperty null

Vishak.V

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[vishak v]

Current error i'm getting
java.lang.IllegalArgumentException: Unrecognized Type: [null]
    at com.fasterxml.jackson.databind.type.TypeFactory._constructType(TypeFactory.java:405)
    at com.fasterxml.jackson.databind.type.TypeFactory.constructType(TypeFactory.java:354)
    at com.fasterxml.jackson.databind.ObjectMapper.constructType(ObjectMapper.java:1330)
    at io.swagger.jackson.ModelResolver.resolveProperty(ModelResolver.java:94)
    at io.swagger.converter.ModelConverterContextImpl.resolveProperty(ModelConverterContextImpl.java:79)
    at io.swagger.jackson.ModelResolver.resolve(ModelResolver.java:345)
    at io.swagger.jackson.ModelResolver.resolve(ModelResolver.java:149)
    at io.swagger.converter.ModelConverterContextImpl.resolve(ModelConverterContextImpl.java:99)
    at io.swagger.jackson.ModelResolver.resolveProperty(ModelResolver.java:129)
    at io.swagger.jackson.ModelResolver.resolveProperty(ModelResolver.java:94)
    at io.swagger.converter.ModelConverterContextImpl.resolveProperty(ModelConverterContextImpl.java:79)
    at io.swagger.converter.ModelConverters.readAsProperty(ModelConverters.java:58)
    at io.swagger.jaxrs.Reader.parseMethod(Reader.java:765)
    at io.swagger.jaxrs.Reader.read(Reader.java:263)
    at io.swagger.jaxrs.Reader.read(Reader.java:167)
    at io.swagger.jaxrs.Reader.read(Reader.java:144)
    at io.swagger.jaxrs.listing.ApiListingResource.scan(ApiListingResource.java:64)
    at io.swagger.jaxrs.listing.ApiListingResource.process(ApiListingResource.java:90)
    at io.swagger.jaxrs.listing.ApiListingResource.getListingJson(ApiListingResource.java:129)
    at io.swagger.jaxrs.listing.ApiListingResource.getListing(ApiListingResource.java:116)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
    at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:164)
    at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:181)
    at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:158)
    at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:101)
    at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
    at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
    at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
    at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:305)
    at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
    at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
    at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
    at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
    at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
    at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
    at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:288)
    at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1110)
    at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:401)
    at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:386)
    at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:335)
    at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:222)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.xxx.xxx.xxx.swagger.SwaggerApiFilter.doFilter(SwaggerApiFilter.java:21)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
    at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
    at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
    at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:774)
    at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
    at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:896)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
    at java.lang.Thread.run(Thread.java:722)

Filter code is below

public void doFilter(ServletRequest request, ServletResponse response,
            FilterChain chain) throws IOException, ServletException {
        HttpServletResponse res = (HttpServletResponse) response;
        res.addHeader("Access-Control-Allow-Origin", "*");
        res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
        res.addHeader("Access-Control-Allow-Headers", "Content-Type");
        chain.doFilter(request, response);
    }

I'm completely struck.

Regards
Vishak.V

Vishak.V

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[Ron Ratovsky]

We're handling the same issue here and in the github ticket, so let's keep it there.

Vishak.V

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