Can't list networks - HTTP 406

[pk044]

The following snippet of code seems to stop working for me after a few runs - very odd:

        final Identifier domainId = Identifier.byId("default");
        final OSClient.OSClientV3 client = OSFactory.builderV3()
                .endpoint("http://11.22.33.44:5000/v3")
                .credentials("admin", "xx2342343242471", domainId)
                .perspective(Facing.ADMIN)
                .scopeToProject(Identifier.byName("admin"), domainId)
                .authenticate();
        client.networking().network().list().stream().map(Network::getId).forEach(System.out::println);

Exception in thread "main" ClientResponseException{message=The server could not comply with the request since it is either malformed or otherwise incorrect., status=406, status-code=NOT_ACCEPTABLE}
	at org.openstack4j.core.transport.HttpExceptionHandler.mapException(HttpExceptionHandler.java:38)
	at org.openstack4j.core.transport.HttpExceptionHandler.mapException(HttpExceptionHandler.java:23)
	at org.openstack4j.core.transport.HttpEntityHandler.handleLessThan500(HttpEntityHandler.java:101)
	at org.openstack4j.core.transport.HttpEntityHandler.handle(HttpEntityHandler.java:47)
	at org.openstack4j.connectors.httpclient.HttpResponseImpl.getEntity(HttpResponseImpl.java:67)
	at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:225)
	at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:207)
	at org.openstack4j.openstack.networking.internal.NetworkServiceImpl.list(NetworkServiceImpl.java:50)
	at test.Main.main(Main.java:30)

Other services seem to be working perfectly - they all always return valid data. Is there some sort of rate limiting going on here?

Openstack4j version - 3.2.0 OpenStack version - Rocky

[pk044]

I noticed that it occurs when I have openstack4j-httpclient in my dependencies.

is there any other solution than changing the http client? it's the only one where image upload works for me (without dumping everything to RAM :))

[koztom]

Exactly same for me - only openstack4j-httpclient works with Image, but than Network management is impossible.

[pk044]

@koztom I found a solution that works for me so far:

        HttpClientFactory.registerInterceptor((httpClient, requestConfig, config) -> {
            httpClient.addInterceptorFirst((HttpRequestInterceptor) (httpRequest, httpContext) -> httpRequest.removeHeaders("Accept"));
        });

Should be executed before authenticating.

[koztom]

Thank you for this solution, however I cannot use it. I made mistake - I meant openstack4j-http-connector, in my case openstack4j-httpclient is not working at all, because of jackson issue: NoSuchMethodError: com.fasterxml.jackson.databind.ObjectMapper In dependencies I have of course proper version, exclude com.github.fge: jackson-coreutils which required older version of jackson-databind, but still maven additionaly downloads old version 2.3.2. Probably it is so because I'm working on Glassfish 4.1.

Edit: Ok, I moved to Glassfish 5 and your method seems working, thank you! I wouldn't have thought of it.