Status: Accepted
Owner: vladimir.ralev
Labels: Type-Defect Priority-Medium Component-Sip-Servlets

New issue 989 by vladimir.ralev: [MSS] Race condition in B2BUA when responses are delivered too fast
http://code.google.com/p/mobicents/issues/detail?id=989

1.UA-INVITE--B2BUA--INVITE--UA
2.           B2BUA--RINGING-UA
3.           B2BUA--OK------UA
4.UA-RINGING-B2BUA
5.UA-OK------B2BUA

When 3 and 4 happen too fast, sending 5 results in this exception. Looks
related to the previous issue caused by reordering in the threadpool queues
at JSIP level.

20:27:56,470 ERROR [SipServletResponseImpl] an exception occured when
sending the response
javax.sip.SipException: Tag mismatch dialogTag is
74514146_8e054ae6_364199695336615 responseTag is
91914925_8e054ae6_364199695336615
at
gov.nist.javax.sip.stack.SIPServerTransaction.sendResponse(SIPServerTransaction.java:1316)
at
org.mobicents.servlet.sip.message.SipServletResponseImpl.send(SipServletResponseImpl.java:508

What is the expected output? What do you see instead?


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