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From Graham Holden <>
Subject Re: Newbie to axis2c - 1.6.0 core dump
Date Wed, 27 Mar 2013 10:08:39 GMT
Hello Ceri,

I've not used Axis enough to offer specific help, but I did notice
that your out-of-bounds address: "0x54415245504f5f5f" is hex for
the string "__OPERAT", which looks suspiciously like a string is being
used where the address of a string is expected.  Whether this is in
your code, or Axis, I don't know, but may give you/someone a nudge in
the right direction.

Graham Holden

Tuesday, March 26, 2013, 5:55:50 PM, you wrote:

> Background:
> ==========
> I'm an experienced programmer, but new to axis2c.  I initially downloaded axis2c 1.7.0
and got that working but it is intermittent, seems to not work it there is a gap between synchronous
> I tried an async keepalive every 25 seconds, which seemed to help a bit, but not enough.
 I then looked around and realized that 1.7.0 is "unstable", so sought out the stable release
1.6.0 and
> installed that.  I now just change a link so can test with either.

> Problem:
> =======
> Async messages using axis2_svc_client_send_robust() work.  sync messages using axis2_svc_client_send_receive()
core dump in the axis2c code.  This is code that works (intermittently) with 1.7.0. 
> I've played with this for a while, trying xml2 instead of guththila and that core dumps
as well.   I've looked though the examples that come with axis2c 1.6.0 code ,and think I'm
doing it right?
> Any ideas?  I'm willing to send my code if needed.  The basic premise for my app (which
there is no example of), is that I do the init once, for the one endpoint,  for both sync
or async
> operations, and then wait for async and sync requests, and then set up the request for
that operation using either robust_send or send_receive.

> Program terminated with signal 11, Segmentation fault.
> #0  0x00000030a9878db0 in strlen () from /lib64/
> (gdb) where
> #0  0x00000030a9878db0 in strlen () from /lib64/
> #1  0x00007f7ed0edf009 in guththila_write_start_element_with_namespace (wr=0x16bd430,
namespace_uri=0x54415245504f5f5f <Address 0x54415245504f5f5f out of bounds>, 
>     local_name=0x16bbc10 "open", env=0x165e520) at guththila_xml_writer.c:1446
> #2  0x00007f7ed1951dcc in guththila_xml_writer_wrapper_write_start_element_with_namespace
(writer=0x16bcf00, env=0x165e520, localname=0x16bbc10 "open", 
>     namespace_uri=0x54415245504f5f5f <Address 0x54415245504f5f5f out of bounds>)
at guththila_xml_writer_wrapper.c:371
> #3  0x00007f7ed1df0499 in axiom_output_write (om_output=0x16c1b70, env=0x0, type=<value
optimized out>, no_of_args=<value optimized out>) at om_output.c:465
> #4  0x00007f7ed1deef85 in axiom_element_serialize_start_part (om_element=0x16bbb90, env=0x165e520,
om_output=0x16c1b70, ele_node=<value optimized out>)
>     at om_element.c:822
> #5  0x00007f7ed1debaab in axiom_node_serialize (om_node=0x16bbb40, env=0x165e520, om_output=0x16c1b70)
at om_node.c:511
> #6  0x00007f7ed1738676 in axis2_http_sender_send (sender=0x16bced0, env=0x165e520, msg_ctx=0x16bbf20,
>     str_url=0x165e5b0 "http://localhost:7111/oda-fuse/OurayFuseServicePort", soap_action=0x7f7ed1748e6a
"") at http_sender.c:465
> #7  0x00007f7ed173780e in axis2_http_transport_sender_write_message (transport_sender=0x1661fe0,
env=0x165e520, msg_ctx=0x16bbf20, epr=0x165e560, out=0x16bc2d0, 
>     om_output=0x16c1b70) at http_transport_sender.c:806
> #8  0x00007f7ed1736751 in axis2_http_transport_sender_invoke (transport_sender=0x1661fe0,
env=0x165e520, msg_ctx=0x16bbf20) at http_transport_sender.c:309
> #9  0x00007f7ed1b7e716 in axis2_engine_send (engine=0x16bc150, env=0x165e520, msg_ctx=0x16bbf20)
at engine.c:176
> #10 0x00007f7ed1bafc18 in axis2_op_client_two_way_send (env=0x165e520, msg_ctx=0x16bbf20)
at op_client.c:1171
> #11 0x00007f7ed1bae99f in axis2_op_client_execute (op_client=0x16bc6f0, env=0x165e520,
block=1) at op_client.c:508
> #12 0x00007f7ed1bb1b04 in axis2_svc_client_send_receive_with_op_qname (svc_client=0x165e7d0,
env=0x165e520, op_qname=0x16bba90, payload=0x16bbb40) at svc_client.c:732
> #13 0x00007f7ed1bb1dd1 in axis2_svc_client_send_receive (svc_client=0x165e7d0, env=0x165e520,
payload=0x16bbb40) at svc_client.c:830
> #14 0x00000000004072e1 in afs_msg_send_receive (msg=0x7f7ed02a5d20 "/export/Container0/ceri.0",
>     outmsg=0x7f7ed02a5ad0 "ms\205", <incomplete sequence \305>, outmsg_len=512,
action=0x7f7ed02a5cd0 "open") at afs_msg.c:207
> (note: outmsg is not initialized at the time of the call, this is a char string that
will contain the reply...)

> Ceri Davies | Principal Software Engineer |
> Work: +1 3032727810  x77810 | Home: +1 3035321116 | Cell: +1 3038706743 
> (Note: Home phone forwards to Cell, so try Home# first)
> Oracle Storage | 500 Eldorado Blvd. | Broomfield, CO 80021
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