[openamq-dev] amq_server on AIX with amq.topic exchange crashes after 60K+ messages

[Martin Sustrik]

Dmitri,

This looks like a memory issue.

What happens is:

tcb->method_in->content = amq_content_basic_new ();
if (amq_content_basic_record_header (
    (amq_content_basic_t *) tcb->method_in->content,
    tcb->bucket_in)) ...

It looks like the first statement amq_content_basic_new (constructor)
returns NULL (not enough memory available).

Then amq_content_basic_record_headers is called which asserts whether
first argument is NULL aborting the whole process.

Can you run the broker in debugger and check out if this is the case?

Martin

On 10/9/2007, "Dmitri Tsyganov" <dmitri.tsyganov at dowjones.com> wrote:

>Hello,
>
>I am running release multi-threaded version of amq_server (v 1.2c3) on
>IBM AIX 5.
>
>I am using a client (running on Linux) to post messages to a topic
>exchange (amq.topic) with a routing key that looks like this:
>
>	US.NASDAQ.STOCK.msft (last part - symbol - varies from message to
>message)
>
>I use another client application (also running on Linux), which
>subscribes to topic exchange and receives messages.
>
>Sender client send messages as fast as it can and receiver tries to read
>them as fast as it can.
>
>After successfully transmitting about 60,000 +- messages, amq_server on
>AIX crashes. It crashes consistently in the same spot.
>
>Here is a result of error message I see on amq_server console:
>
>Assertion failed: self, file  amq_content_basic.c, line 674
>IOT/Abort trap (core dumped)
>
>And here is core dump:
>
>IOT/Abort trap in pthread_kill at 0xd0128470 ($t9)
>0xd0128470 (pthread_kill+0x88) 80410014        lwz   r2,0x14(r1)
>(dbx) where
>pthread_kill(??, ??) at 0xd0128470
>_p_raise(??) at 0xd0127f08
>raise.raise(??) at 0xd0315b60
>abort() at 0xd03450b0
>__assert_c99(??, ??, ??, ??) at 0xd03af1e0
>amq_content_basic_record_header() at 0x1008fbc8
>action_expect_content_basic_header() at 0x100caa30
>amq_server_agent_manager() at 0x100d75f0
>s_execute() at 0x10055dc4
>dummy_worker(opaque = 0x203c51e0), line 138 in "thread.c"
>(dbx)
>
>Could somebody take a look at this and have an idea what may be wrong
>there? I didn't notice any excessive memory usage on the server side.
>
>Thank you,
>
>Dmitri
>
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