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https://issues.apache.org/jira/browse/DISPATCH-360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vishal Sharda updated DISPATCH-360:
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Attachment: Crash_bt_no_SSL_2.png
Crash_bt_no_SSL.png
Backtrace of the crash observed.
> Sender and receiver cannot communicate using a network of 3 inter-connected
> routers having insecure connections
> ---------------------------------------------------------------------------------------------------------------
>
> Key: DISPATCH-360
> URL: https://issues.apache.org/jira/browse/DISPATCH-360
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Routing Engine
> Affects Versions: 0.6.0
> Environment: Debian 8.3, Apache Qpid Proton 0.12.2 for drivers and
> dependencies, Hardware: 2 CPUs, 15 GB RAM, 60 GB HDD on 3 separate machines
> Reporter: Vishal Sharda
> Priority: Blocker
> Attachments: Crash_bt_no_SSL.png, Crash_bt_no_SSL_2.png,
> config1_nossl.conf, config2_nossl.conf, config3_nossl.conf
>
>
> In order to isolate the issues that I am getting with 2-way SSL connections
> among routers, I created a cluster of 3 inter-connected routers (R1, R2 and
> R3 with R2 connecting to R1 and R3 connecting to both R1 and R2) without any
> type of SSL (I had been using just 2 routers so far but our actual cluster
> consists of 3 nodes). All connections were insecure as shown in my config
> files.
> When I tried sending 4 messages using simple_send.py to R1 after starting
> simple_recv.py to receive from R2, I saw no messages were sent.
> If I stop R3 and reduce the cluster to just two nodes, it works fine.
> If I have 2-way SSL connections between all the 3 routers, it again works
> fine.
> In my more than 20 runs to test this scenario of sending just 4 messages, it
> even worked a few times after waiting for very long. In the other two cases
> above, I always got the messages instantaneously (there were no other
> senders/receivers active).
> The drivers.tar.gz that I attached in DISPATCH-343 either timed out or
> returned with unclear status when trying to send just 4 messages from 1
> sender (connected to R1) to 1 receiver (connected to R2). It showed
> successful just once. The behavior is completely non-deterministic.
> This basic test working non-deterministically some times and failing most of
> the times seemed very weird and I turned to running routers outside gdb but
> the results were similar. In the process of stopping/restarting the 3
> routers for testing this scenario, I also got a crash (backtrace attached).
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