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https://issues.apache.org/jira/browse/CXF-7092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15581920#comment-15581920
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Dennis Kieselhorst commented on CXF-7092:
-----------------------------------------

Hi Sergey, thx for the fast response. Just tried with 3.1.8, the issues still 
exists.

I'm exactly using the auto-link feature as described in 
http://cxf.apache.org/docs/swagger2feature.html#Swagger2Feature-AutomaticUIActivation
 and accessing the UI using: 
http://localhost:8080/services/api-docs?url=/services/swagger.json

In comparison with the demo you mentioned neither server.servlet-path, nor 
cxf.path and service-list-path are set in application.yml, everything relies on 
the default values.

Unfortunately I cannot start this demo on master branch, it currently fails 
with:
{noformat}
Caused by: org.springframework.beans.BeanInstantiationException: Failed to 
instantiate 
[org.apache.cxf.jaxrs.swagger.Swagger2Feature$ServletConfigProvider]: No 
default constructor found; nested exception is java.lang.NoSuchMethodException: 
org.apache.cxf.jaxrs.swagger.Swagger2Feature$ServletConfigProvider.<init>()
        at 
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:85)
        at 
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1098)
        ... 38 more
Caused by: java.lang.NoSuchMethodException: 
org.apache.cxf.jaxrs.swagger.Swagger2Feature$ServletConfigProvider.<init>()
        at java.lang.Class.getConstructor0(Class.java:3082)
        at java.lang.Class.getDeclaredConstructor(Class.java:2178)
        at 
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:80)
        ... 39 more
{noformat}

> Swagger2Feature tries to resolve swagger-ui resources with api-docs
> -------------------------------------------------------------------
>
>                 Key: CXF-7092
>                 URL: https://issues.apache.org/jira/browse/CXF-7092
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 3.1.7
>         Environment: Spring Boot 1.4.1
> Swagger 2.2.2
>            Reporter: Dennis Kieselhorst
>             Fix For: 3.1.8
>
>         Attachments: cxf7092.png
>
>
> Add Swagger2Feature for customization to the class annotated with 
> @SpringBootApplication, e.g.:
> {code:java}
>    @Bean
>    public Swagger2Feature swagger2Feature() {
>       Swagger2Feature swagger2Feature = new Swagger2Feature();
>       swagger2Feature.setPrettyPrint(true);
>       swagger2Feature.setContact("person who knows the API");
>       return swagger2Feature;
>    }
> {code}
> Open url for swagger UI in browser will fail with:
> {noformat}
> Caused by: java.io.FileNotFoundException: JAR entry 
> META-INF/resources/webjars/swagger-ui/2.2.2/api-docs/lib/swagger-oauth.js not 
> found in /work/m2repository/org/webjars/swagger-ui/2.2.2/swagger-ui-2.2.2.jar
>       at 
> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:142)
>       at 
> sun.net.www.protocol.jar.JarURLConnection.getInputStream(JarURLConnection.java:150)
>       at java.net.URL.openStream(URL.java:1045)
>       at 
> org.apache.cxf.jaxrs.swagger.Swagger2Feature$SwaggerUIService.getResource(Swagger2Feature.java:298)
>       ... 102 more
> {noformat}
> Please note that it works correctly when the Swagger2Feature is 
> auto-configured without customizations.



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