REST API install problems

I wanted to try out the REST API.
I installed the REST DOC through PaperUI/addons/Misc.

When I click on the REST API in the OpenHab dashboard, I end up with this screen… What did I do wrong?:

Sorry, forgot to add. Using Openhab 2.2 on a Rpi3.

any useful log entries from openhab.log ?

Not what I could find.

Try Clear the Cache

Made an upgrade to the system, including Openhab 2.3
Now I got a log (VERY LONG) when I try to enter REST Api:

2018-06-08 00:09:32.128 [WARN ] [eclipse.jetty.servlet.ServletHandler] - 

javax.servlet.ServletException: org.glassfish.jersey.server.ContainerException: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489) [167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427) [167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388) [167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341) [167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228) [167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	at com.eclipsesource.jaxrs.publisher.internal.ServletContainerBridge.service(ServletContainerBridge.java:76) [15:com.eclipsesource.jaxrs.publisher:5.3.1.201602281253]

	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) [85:org.eclipse.jetty.servlet:9.3.21.v20170918]

	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584) [85:org.eclipse.jetty.servlet:9.3.21.v20170918]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [82:org.eclipse.jetty.security:9.3.21.v20170918]

	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:284) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]

	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) [85:org.eclipse.jetty.servlet:9.3.21.v20170918]

	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]

	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.Server.handle(Server.java:534) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) [76:org.eclipse.jetty.io:9.3.21.v20170918]

	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) [76:org.eclipse.jetty.io:9.3.21.v20170918]

	at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) [76:org.eclipse.jetty.io:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at java.lang.Thread.run(Thread.java:748) [?:?]

Caused by: org.glassfish.jersey.server.ContainerException: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at org.glassfish.jersey.servlet.internal.ResponseWriter.rethrow(ResponseWriter.java:278) ~[?:?]

	at org.glassfish.jersey.servlet.internal.ResponseWriter.failure(ResponseWriter.java:260) ~[?:?]

	at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:509) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:334) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors.process(Errors.java:315) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors.process(Errors.java:297) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors.process(Errors.java:267) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473) ~[167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	... 31 more

Caused by: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at io.swagger.util.Json.mapper(Json.java:13) ~[?:?]

	at io.swagger.converter.ModelConverters.<init>(ModelConverters.java:31) ~[?:?]

	at io.swagger.converter.ModelConverters.<clinit>(ModelConverters.java:23) ~[?:?]

	at io.swagger.jaxrs.DefaultParameterExtension.createProperty(DefaultParameterExtension.java:101) ~[?:?]

	at io.swagger.jaxrs.DefaultParameterExtension.extractParameters(DefaultParameterExtension.java:54) ~[?:?]

	at io.swagger.jaxrs.Reader.getParameters(Reader.java:913) ~[?:?]

	at io.swagger.jaxrs.Reader.parseMethod(Reader.java:864) ~[?:?]

	at io.swagger.jaxrs.Reader.read(Reader.java:299) ~[?:?]

	at io.swagger.jaxrs.Reader.read(Reader.java:145) ~[?:?]

	at io.swagger.jaxrs.listing.BaseApiListingResource.scan(BaseApiListingResource.java:56) ~[?:?]

	at io.swagger.jaxrs.listing.BaseApiListingResource.process(BaseApiListingResource.java:101) ~[?:?]

	at io.swagger.jaxrs.listing.BaseApiListingResource.getListingJsonResponse(BaseApiListingResource.java:147) ~[?:?]

	at io.swagger.jaxrs.listing.ApiListingResource.getListing(ApiListingResource.java:32) ~[?:?]

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]

	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]

	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors.process(Errors.java:315) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors.process(Errors.java:297) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.internal.Errors.process(Errors.java:267) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317) ~[169:org.glassfish.jersey.core.jersey-common:2.22.2]

	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) ~[170:org.glassfish.jersey.core.jersey-server:2.22.2]

	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473) ~[167:org.glassfish.jersey.containers.jersey-container-servlet-core:2.22.2]

	... 31 more

2018-06-08 00:09:32.227 [WARN ] [org.eclipse.jetty.server.HttpChannel] - //10.4.28.237:8080/rest/swagger.json

javax.servlet.ServletException: javax.servlet.ServletException: org.glassfish.jersey.server.ContainerException: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:88) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]

	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.Server.handle(Server.java:534) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) [84:org.eclipse.jetty.server:9.3.21.v20170918]

	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) [76:org.eclipse.jetty.io:9.3.21.v20170918]

	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) [76:org.eclipse.jetty.io:9.3.21.v20170918]

	at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) [76:org.eclipse.jetty.io:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) [87:org.eclipse.jetty.util:9.3.21.v20170918]

	at java.lang.Thread.run(Thread.java:748) [?:?]

Caused by: javax.servlet.ServletException: org.glassfish.jersey.server.ContainerException: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489) ~[?:?]

	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228) ~[?:?]

	at com.eclipsesource.jaxrs.publisher.internal.ServletContainerBridge.service(ServletContainerBridge.java:76) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]

	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) ~[?:?]

	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) ~[?:?]

	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:284) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) ~[?:?]

	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) ~[?:?]

	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) ~[?:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80) ~[?:?]

	... 13 more

Caused by: org.glassfish.jersey.server.ContainerException: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at org.glassfish.jersey.servlet.internal.ResponseWriter.rethrow(ResponseWriter.java:278) ~[?:?]

	at org.glassfish.jersey.servlet.internal.ResponseWriter.failure(ResponseWriter.java:260) ~[?:?]

	at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:509) ~[?:?]

	at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:334) ~[?:?]

	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:305) ~[?:?]

	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) ~[?:?]

	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473) ~[?:?]

	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228) ~[?:?]

	at com.eclipsesource.jaxrs.publisher.internal.ServletContainerBridge.service(ServletContainerBridge.java:76) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]

	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) ~[?:?]

	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) ~[?:?]

	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:284) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) ~[?:?]

	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) ~[?:?]

	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) ~[?:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80) ~[?:?]

	... 13 more

Caused by: java.lang.VerifyError: Bad type on operand stack

Exception Details:

  Location:

    io/swagger/util/ObjectMapperFactory.createYaml(ZZ)Lcom/fasterxml/jackson/databind/ObjectMapper; @9: invokestatic

  Reason:

    Type 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/JsonFactory'

  Current Frame:

    bci: @9

    flags: { }

    locals: { integer, integer }

    stack: { 'com/fasterxml/jackson/dataformat/yaml/YAMLFactory', integer, integer }

  Bytecode:

    0x0000000: bb00 0559 b700 061a 1bb8 0003 b0       

	at io.swagger.util.Json.mapper(Json.java:13) ~[?:?]

	at io.swagger.converter.ModelConverters.<init>(ModelConverters.java:31) ~[?:?]

	at io.swagger.converter.ModelConverters.<clinit>(ModelConverters.java:23) ~[?:?]

	at io.swagger.jaxrs.DefaultParameterExtension.createProperty(DefaultParameterExtension.java:101) ~[?:?]

	at io.swagger.jaxrs.DefaultParameterExtension.extractParameters(DefaultParameterExtension.java:54) ~[?:?]

	at io.swagger.jaxrs.Reader.getParameters(Reader.java:913) ~[?:?]

	at io.swagger.jaxrs.Reader.parseMethod(Reader.java:864) ~[?:?]

	at io.swagger.jaxrs.Reader.read(Reader.java:299) ~[?:?]

	at io.swagger.jaxrs.Reader.read(Reader.java:145) ~[?:?]

	at io.swagger.jaxrs.listing.BaseApiListingResource.scan(BaseApiListingResource.java:56) ~[?:?]

	at io.swagger.jaxrs.listing.BaseApiListingResource.process(BaseApiListingResource.java:101) ~[?:?]

	at io.swagger.jaxrs.listing.BaseApiListingResource.getListingJsonResponse(BaseApiListingResource.java:147) ~[?:?]

	at io.swagger.jaxrs.listing.ApiListingResource.getListing(ApiListingResource.java:32) ~[?:?]

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]

	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]

	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:144) ~[?:?]

	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161) ~[?:?]

	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160) ~[?:?]

	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99) ~[?:?]

	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:326) ~[?:?]

	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:305) ~[?:?]

	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) ~[?:?]

	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473) ~[?:?]

	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341) ~[?:?]

	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228) ~[?:?]

	at com.eclipsesource.jaxrs.publisher.internal.ServletContainerBridge.service(ServletContainerBridge.java:76) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]

	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) ~[?:?]

	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) ~[?:?]

	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:284) ~[?:?]

	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) ~[?:?]

	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) ~[?:?]

	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) ~[?:?]

	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]

	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80) ~[?:?]

I have uninstalled the REST Api for now.