Exception when callee hangs up outbound call

[ghjansen]

When alice calls to an RCML application that dials to bob, the call is correctly stablished, but when bob hangs up, the following exception occurs preventing to send the BYE message:

2017-21-03 10:40:49.489 PrivateJainSipCallConnector:close(): catched exception:TypeError: Cannot read property 'createRequest' of null 

Stack trace: 
    at commonLog (https://54.90.157.242/olympus/resources/js/mobicents-libs/WebRTComm.js:4886:10)
    at Object.console.error (https://54.90.157.242/olympus/resources/js/mobicents-libs/WebRTComm.js:4959:4)
    at PrivateJainSipCallConnector.close (https://54.90.157.242/olympus/resources/js/mobicents-libs/WebRTComm.js:534:12)
    at WebRTCommCall.hangup (https://54.90.157.242/olympus/resources/js/mobicents-libs/WebRTComm.js:2236:20)
    at Arguments.<anonymous> (https://54.90.157.242/olympus/resources/js/mobicents-libs/WebRTComm.js:2403:10)
    at successCallbackWrapper (https://54.90.157.242/olympus/resources/js/adapter/adapter.js:291:18)

Environment

• latest Restcomm
• latest Olympus 2.0
• patched version of JSR 309 connector
• XMS

Scenario

1 - alice calls RCML application
2 - VoiceInterpreter creates an outbound call to bob
3 - bob accepts the call and the call is correctly stablished
4 - bob hangs up the call
The error happens on 4 leaving alice with the call connected

RCML application:

<Response>
    <Say>This application is a test for issue 19 41. Calling bob now.</Say>
    <Dial action="controller?target=start.step2.actionhandler">
        <Client>bob</Client>
    </Dial>
</Response>

<Response>
    <Say>Call executed with success.</Say>
</Response>

Console log from Chrome/Olympus: 54.90.157.242-1490103657235.txt
Restcomm log: restcomm-log.txt

[atsakiridis]

Turns out to be webrtcomm issue