Updating registration fail if no endpoint identifier about wakaama

[dnav]

Hi,
I guess you are trying to connect to a server which is neither Leshan or wakaama.
You are right: the Update Registration message does not include the endpoint name. The location is enough to recognize the client.
It looks like your server dropped the client registration before your update message reched it.

Regards,

[boaks]

Hi Ricky,

as always:
the more information you give about what your doing, the more feedback you will get :-).

Though the answer contains "text" (Client must specify an endpoint identifier), I would guess
you don’t use Wakaama as server. So which server do you use? Which version?

There was a change in the LWM2M TS at the beginning of 2015 ( 12. Feb. ) to map
the "update registration" not longer to "PUT" and use also "POST" instead.
So older server implementation may interpret a update with "POST" as registration
and therefore report an error.

Mit freundlichen Grüßen / Best regards

Achim Kraus

[ieei0214]

Hi David and Achim,

Thanks for your information. You guys are kind. :)

Actually I don't know what the server is but I guess it's leshan server.
Search the key word can find in gitt hub.

Looks like the issue is caused by server. closed the issue.

http://goo.gl/Lr9HzA

121 http://grepcode.com/file/repo1.maven.org/maven2/org.github.leshan/leshan-core/0.1.4/leshan/server/lwm2m/resource/RegisterResource.java#121

http://grepcode.com/file/repo1.maven.org/maven2/org.github.leshan/leshan-core/0.1.4/leshan/server/lwm2m/resource/RegisterResource.java#

        if (endpoint == null || endpoint.isEmpty

http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7u40-b43/java/lang/String.java#String.isEmpty%28%29())
{

122 http://grepcode.com/file/repo1.maven.org/maven2/org.github.leshan/leshan-core/0.1.4/leshan/server/lwm2m/resource/RegisterResource.java#122

http://grepcode.com/file/repo1.maven.org/maven2/org.github.leshan/leshan-core/0.1.4/leshan/server/lwm2m/resource/RegisterResource.java#

            exchange.respond(ResponseCode.BAD_REQUEST, "Client

must specify an endpoint identifier");

RickyLiu

[boaks]

leshan 0.1.4, seems to be "very old", and the code shows the old TS (using POST/PUT for register and update). If it's possible, update the leshan to a more current version (0.1.11 ...).

Alternatively (not recommended) just for testing only:
Change core/registration.c, line 237 to use COAP_PUT (instead of the correct COAP_POST):

static int prv_update_registration(lwm2m_context_t * contextP,
                               lwm2m_server_t * server)
{
    lwm2m_transaction_t * transaction;

/*237*/ transaction = transaction_new(COAP_TYPE_CON, COAP_POST, NULL, NULL, contextP->nextMID++, 4, NULL, ENDPOINT_SERVER, (void *)server);
if (transaction == NULL) return INTERNAL_SERVER_ERROR_5_00;

coap_set_header_uri_path(transaction->message, server->location);

[ieei0214]

I'll try it. Thanks Achim :)

2016-03-09 16:04 GMT+08:00 Achim Kraus [email protected]:

leshan 0.1.4, seems to be "very old", and the code shows the old TS (using
POST/PUT for register and update). If it's possible, update the leshan to a
more current version (0.1.11 ...).

Alternatively (not recommended) just for testing only:
Change core/registration.c, line 237 to use COAP_PUT (instead of the
correct COAP_POST):

static int prv_update_registration(lwm2m_context_t * contextP,
lwm2m_server_t * server)
{
lwm2m_transaction_t * transaction;

/237/ transaction = transaction_new(COAP_TYPE_CON, COAP_POST, NULL, NULL, contextP->nextMID++, 4, NULL, ENDPOINT_SERVER, (void *)server);
if (transaction == NULL) return INTERNAL_SERVER_ERROR_5_00;

coap_set_header_uri_path(transaction->message, server->location);

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RickyLiu