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From "Nandika Jayawardana" <jayaw...@gmail.com>
Subject Re: Possible to have two stubs active at the same time?
Date Wed, 12 Sep 2007 06:09:58 GMT
Hi Jamie,

Try adding the following line to your code before the call to send message.
I think it should fix the problem.

axis2_options_set_xml_parser_reset (client_options, env, AXIS2_FALSE);

Regards

Nandika

On 9/11/07, Jamie Lyon <jl@it-innovation.soton.ac.uk> wrote:

> Sorry, forgot to mention the error that caused the stack trace. It is as
> follows:
>
> *** glibc detected *** /home/jl/axistest/cpp/examples/example2: double
> free or corruption (out): 0x081c60d0 ***
>
> Thanks,
> Jamie
>
> ________________________________________
> From: Jamie Lyon [mailto:jl@it-innovation.soton.ac.uk]
> Sent: 11 September 2007 16:25
> To: Apache AXIS C Developers List
> Subject: Possible to have two stubs active at the same time?
>
> Hi,
>
> Is it possible to have two 'axis2_stub_t's active at any one time? When I
> try to free the objects I get the stack trace included at the end of the
> message.
>
> This is upon freeing the second axis2_stub. If I delete the first before
> creating the second it works perfectly fine, it's only if they're both
> created at the same time.
>
> I should also note that this only appears to happen if both stubs have
> sent a message, if either one has only been created, and not actually used,
> both can be freed without any incident.
>
> The general steps are as follows:
> 1) Create axutil_env_t
> 2) Create neethi_policy
> 3) Create stub 1 from axutil_env_t and neethi_policy
> 4) Create a second neethi_policy
> 5) Create stub 2 from axutil_env_t and second neethi_policy (also tried
> with a second, separate axutil_env_t, to no avail)
> 6) Send a message from stub 1
> 7) Send a message from stub 2
> 8) Free stub 1
> 9) Free stub 2 (crash)
>
> If you cannot reproduce this, I will try and write a test case.
>
> Is this a known problem?
>
> Thanks,
> Jamie
>
> -----
>
> #0 0xffffe410 in __kernel_vsyscall ()
> #1 0xb7c74770 in raise () from /lib/tls/i686/cmov/libc.so.6
> #2 0xb7c75ef3 in abort () from /lib/tls/i686/cmov/libc.so.6
> #3 0xb7ca9d0b in __fsetlocking () from /lib/tls/i686/cmov/libc.so.6
> #4 0xb7cb18bd in mallopt () from /lib/tls/i686/cmov/libc.so.6
> #5 0xb7cb1a44 in free () from /lib/tls/i686/cmov/libc.so.6
> #6 0xb7b0045f in xmlCharEncCloseFunc () from /usr/lib/libxml2.so.2
> #7 0xb7b2b97f in xmlFreeParserInputBuffer () from /usr/lib/libxml2.so.2
> #8 0xb7b04858 in xmlFreeInputStream () from /usr/lib/libxml2.so.2
> #9 0xb7b048a8 in xmlFreeParserCtxt () from /usr/lib/libxml2.so.2 #10
> 0xb7bb052d in xmlFreeTextReader () from /usr/lib/libxml2.so.2
> #11 0xb7f1984d in axis2_libxml2_reader_wrapper_free (parser=0x81423c8,
> env=0x80e81f0) at libxml2_reader_wrapper.c:475
> #12 0xb7f18788 in axiom_xml_reader_free (parser=0x81423c8, env=0x80e81f0)
> at ../xml_reader.c:31
> #13 0xb7f7976a in axiom_stax_builder_free (om_builder=0x813dc20,
> env=0x80e81f0)
> at om_stax_builder.c:825
> #14 0xb7f82e26 in axiom_soap_builder_free (soap_builder=0x8142a58,
> env=0x80e81f0) at soap_builder.c:177
> #15 0xb7f81adf in axiom_soap_envelope_free (soap_envelope=0x8156160,
> env=0x80e81f0) at soap_envelope.c:162
> #16 0xb7f528bc in axis2_msg_ctx_free (msg_ctx=0x81409d0, env=0x80e81f0)
> at msg_ctx.c:327
> #17 0xb7f52fde in axis2_op_ctx_free (op_ctx=0x814d4a8, env=0x80e81f0)
> at op_ctx.c:145
> #18 0xb7f58956 in axis2_op_client_free (op_client=0x814d470,
> env=0x80e81f0)
> at op_client.c:582
> #19 0xb7f59a48 in axis2_svc_client_free (svc_client=0x80e83d8,
> env=0x80e81f0)
> at svc_client.c:1164
> #20 0xb7f566b2 in axis2_stub_free (stub=0x80e83c8, env=0x80e81f0) at
> stub.c:126 ...
>
>
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-- 
http://nandikajayawardana.blogspot.com/
WSO2 Inc: http://www.wso2.com

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