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From wuwufen <1767549...@qq.com>
Subject Re: a problem about mqtt and activemq
Date Thu, 12 Nov 2015 00:40:28 GMT
3 mqttClent (c1,c2,c3,c4,c5);mqttclent setClindId,cleansession=false;
 activemq 5.12.0 (or befor)
 test topic(T)



1     c1,c2,c3 subscribe T
2     c5 send message m1 to T
3     c1,c2,c3 received m1

.......sometimes (problem occurs)

4    c1 unsubscribe T
5    c5 send message m2 to T (b c received m2)
6    c1  subscribe  T
7    c1 received  m2

8    c1 unsubscribe T
9    c1  subscribe  T
10   c1 received  m2
:
:
if(this problem occurs)
{
   11    d  subscribe  T
   12    d received  m2   //i don't know why

}


at last
13      b ,c ,d unsubscribe T
14      a unsubscribe T
15      a subscribe  T
16      the result change good   a din't received m2













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