0) Build a "business-application" from https://start.jbpm.org/ , all default setting 1) Enable Swagger UI as told in here: https://access.redhat.com/documentation/en-us/red_hat_process_automation_manager/7.2/html/creating_red_hat_process_automation_manager_business_applications_with_spring_boot/business_application_configuration#bus-app-swagger_business-applications 2) Build/Compile and then run this business application 3) According to doc, ------------------------------------------------------------- The complete set of endpoints is available at http://localhost:8090/rest/api-docs/?url=../swagger.json ------------------------------------------------------------- So open a browser and hit this swagger.json url above 4) Getting error : ------------------------------------------------------------- 2019-03-26 16:48:07.324 WARN 5254 — [0.0-8090-exec-6] o.a.c.j.i.WebApplicationExceptionMapper : javax.ws.rs.NotFoundException: HTTP 404 Not Found ...... Caused by: java.io.FileNotFoundException: JAR entry META-INF/resources/webjars/swagger-ui/2.2.10/api-docs/lib/swagger-oauth.js not found in /home/path/to/business-application-service/target/business-application-service-1.0-SNAPSHOT.jar!/BOOT-INF/lib/swagger-ui-2.2.10.jar at org.springframework.boot.loader.jar.JarURLConnection.throwFileNotFound(JarURLConnection.java:185) at org.springframework.boot.loader.jar.JarURLConnection.connect(JarURLConnection.java:104) at org.springframework.boot.loader.jar.JarURLConnection.getInputStream(JarURLConnection.java:169) at java.net.URL.openStream(URL.java:1045) at org.apache.cxf.jaxrs.swagger.Swagger2Feature$SwaggerUIService.getResource(Swagger2Feature.java:431) ... 93 more -------------------------------------------------------------