[keycloak-user] Unable to find a MessageBodyReader of content-type application/json and type AccessTokenResponse

[Stian Thorgersen]

Looks like you haven't included the RestEasy Jackson Provider. Try adding a dependency on org.jboss.resteasy:resteasy-jackson-provider

----- Original Message -----
> From: "Alexander Chriztopher" <alexander.chriztopher at gmail.com>
> To: keycloak-user at lists.jboss.org
> Sent: Tuesday, 25 November, 2014 2:30:01 PM
> Subject: [keycloak-user] Unable to find a MessageBodyReader of content-type application/json and type
> AccessTokenResponse
> 
> Hi All,
> 
> Am trying to execute this call :
> 
> Keycloak keycloak = Keycloak.getInstance(" http://localhost:9080/auth ",
> "master", "admin", "admin", "security-admin-console");
> 
> But am getting the following error :
> 
> Exception in thread "main" javax.ws.rs.client.ResponseProcessingException:
> javax.ws.rs.ProcessingException: Unable to find a MessageBodyReader of
> content-type application/json and type class
> org.keycloak.representations.AccessTokenResponse
> at
> org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.extractResult(ClientInvocation.java:140)
> at
> org.jboss.resteasy.client.jaxrs.internal.proxy.extractors.BodyEntityExtractor.extractEntity(BodyEntityExtractor.java:58)
> at
> org.jboss.resteasy.client.jaxrs.internal.proxy.ClientInvoker.invoke(ClientInvoker.java:104)
> at
> org.jboss.resteasy.client.jaxrs.internal.proxy.ClientProxy.invoke(ClientProxy.java:62)
> at com.sun.proxy.$Proxy19.grantToken(Unknown Source)
> at
> org.keycloak.admin.client.token.TokenManager.grantToken(TokenManager.java:56)
> at
> org.keycloak.admin.client.token.TokenManager.getAccessToken(TokenManager.java:33)
> at
> org.keycloak.admin.client.token.TokenManager.getAccessTokenString(TokenManager.java:28)
> at org.keycloak.admin.client.Keycloak.<init>(Keycloak.java:28)
> at org.keycloak.admin.client.Keycloak.getInstance(Keycloak.java:32)
> at fr.klee.test.RestTest.main(RestTest.java:22)
> Caused by: javax.ws.rs.ProcessingException: Unable to find a
> MessageBodyReader of content-type application/json and type class
> org.keycloak.representations.AccessTokenResponse
> at
> org.jboss.resteasy.core.interception.ClientReaderInterceptorContext.throwReaderNotFound(ClientReaderInterceptorContext.java:39)
> at
> org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.getReader(AbstractReaderInterceptorContext.java:73)
> at
> org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:50)
> at
> org.jboss.resteasy.plugins.interceptors.encoding.GZIPDecodingInterceptor.aroundReadFrom(GZIPDecodingInterceptor.java:59)
> at
> org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:53)
> at
> org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readFrom(ClientResponse.java:248)
> at
> org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readEntity(ClientResponse.java:181)
> at
> org.jboss.resteasy.specimpl.BuiltResponse.readEntity(BuiltResponse.java:211)
> at
> org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.extractResult(ClientInvocation.java:104)
> ... 10 more
> 
> What can cause this error ?
> 
> Am running this in the admin-client example (the master one) application by
> the way in order to have the right dependencies etc.
> 
> Thanks for any help.
> 
> _______________________________________________
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> keycloak-user at lists.jboss.org
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