Dario,

The logs show that no disconnections occur until after the second POST
request. I would expect a log entry indicating a disconnect between the two
POST requests if the stream id changed.

On Sun, Aug 14, 2016 at 8:28 PM, Dario Rexin <[email protected]> wrote:

> You’re absolutely right. I just tried the exact same steps and it worked
> fine for me. I also don’t see the log message. Do you have any reconnection
> logic in place? Is it possible, that your framework reconnected before you
> send the call? The Stream Id would change in that case.
>
>
> On Aug 14, 2016, at 6:48 PM, Zameer Manji <[email protected]> wrote:
>
> Dario,
>
> I do not think the case sensitivity matters here. If the master was
> expecting a header that was exactly 'Mesos-Stream-Id' and did not see it, I
> would expect to get the error response: `All non-subscribe calls should
> include the 'Mesos-Stream-Id' header`. That is the error response that you
> get when you do not set the header.
>
> Possibly related, I expected to see the stream id in the mesos logs. I see 
> this
> log message
> <https://github.com/apache/mesos/blob/c9b70582e9fccab8f6863b0bd3a812b5969a8c24/src/master/master.cpp#L7473-L7474>
>  in
> the code, but I do not see it in the logs.
>
>
> On Sun, Aug 14, 2016 at 6:12 PM, Dario Rexin <[email protected]> wrote:
>
>> Oh, sorry, I didn't see you actually set the header (wall of text ;) ).
>> That's an interesting issue, do you set the header case sensitive? I know
>> headers shouldn't be case sensitive, but maybe there's a bug in the Mesos
>> code. I have not seen this issue before.
>>
>> On Aug 14, 2016, at 5:58 PM, Zameer Manji <[email protected]> wrote:
>>
>> Hey,
>>
>> I'm using the Mesos HTTP API for the first time. I am currently
>> encountering an issue where after a successful SUBSCRIBE call and receiving
>> a SUBSCRIBED and HEARTBEAT event, a subsequent TEARDOWN call fails with
>> HTTP 400 with a message of "The stream ID included in this request didn't
>> match the stream ID currently associated with framework ID".
>>
>> Here is a detailed breakdown of what happens with logs:
>>
>> A new framework sends an SUBSCRIBE call with the following body:
>>
>> ````
>> framework_id {
>>   value: "0dffbee9-a514-4ffa-87e1-2850dd4dcf00"
>> }
>> type: SUBSCRIBE
>> subscribe {
>>   framework_info {
>>     user: "user"
>>     name: "name"
>>     id {
>>       value: "0dffbee9-a514-4ffa-87e1-2850dd4dcf00"
>>     }
>>   }
>> }
>> ````
>>
>> It then receives a 200 OK response with the following headers:
>> `{content-type=[application/x-protobuf], date=[Sat, 13 Aug 2016 02:42:48
>> GMT], transfer-encoding=[chunked], mesos-stream-id=[71a0294f-e9c4
>> -4efe-b237-fb120836aaf8]}`
>>
>> Over this connection it receives a successful subscribed event:
>> ````
>> type: SUBSCRIBED
>> subscribed {
>>   framework_id {
>>     value: "0dffbee9-a514-4ffa-87e1-2850dd4dcf00"
>>   }
>>   heartbeat_interval_seconds: 15.0
>> }
>> ````
>>
>> It also receives a single heart beat event.
>>
>> Then it tries to send the following request:
>> ````
>> Sending: framework_id {
>>   value: "0dffbee9-a514-4ffa-87e1-2850dd4dcf00"
>> }
>> type: TEARDOWN
>> ````
>> with the following headers:
>> `{accept=[application/x-protobuf], accept-encoding=[gzip],
>> mesos-stream-id=[71a0294f-e9c4-4efe-b237-fb120836aaf8]}`
>>
>> The response is a 400 with the body: `The stream ID included in this
>> request didn't match the stream ID currently associated with framework ID
>> '0dffbee9-a514-4ffa-87e1-2850dd4dcf00'`.
>>
>>
>> The master logs contains:
>> ````
>> I0813 02:42:48.376819 13934 http.cpp:381] HTTP POST for
>> /master/api/v1/scheduler from 192.168.33.1:60780 with
>> User-Agent='Google-HTTP-Java-Client/1.20.0 (gzip)'
>> I0813 02:42:48.376998 13934 master.cpp:2146] Received subscription
>> request for HTTP framework 'name'
>> I0813 02:42:48.377104 13934 master.cpp:2244] Subscribing framework 'name'
>> with checkpointing disabled and capabilities [  ]
>> I0813 02:42:48.377378 13934 hierarchical.cpp:271] Added framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00
>> I0813 02:42:49.475163 13929 http.cpp:381] HTTP POST for
>> /master/api/v1/scheduler from 192.168.33.1:60782 with
>> User-Agent='Google-HTTP-Java-Client/1.20.0 (gzip)'
>> I0813 02:42:51.133513 13930 master.cpp:1284] Framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00 (name) disconnected
>> I0813 02:42:51.133597 13930 master.cpp:2725] Disconnecting framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00 (name)
>> I0813 02:42:51.133618 13930 master.cpp:2749] Deactivating framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00 (name)
>> I0813 02:42:51.133644 13930 master.cpp:1297] Giving framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00 (name) 0ns to failover
>> I0813 02:42:51.133692 13932 hierarchical.cpp:382] Deactivated framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00
>> I0813 02:42:51.137265 13931 master.cpp:5561] Framework failover timeout,
>> removing framework 0dffbee9-a514-4ffa-87e1-2850dd4dcf00 (name)
>> I0813 02:42:51.137339 13931 master.cpp:6296] Removing framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00 (name)
>> I0813 02:42:51.137464 13931 hierarchical.cpp:333] Removed framework
>> 0dffbee9-a514-4ffa-87e1-2850dd4dcf00
>> ````
>> Note the immediate disconnection after the second POST is intentional.
>>
>> This is with Mesos 1.0.0 on Ubuntu Trusty.
>>
>> What can I do to debug this issue? The logs do not provide a lot of
>> information to act on. The stream id generated by mesos is not in the logs,
>> nor anything indicating that an HTTP 400 was sent.
>>
>> --
>> Zameer Manji
>>
>>
>
>

Reply via email to