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Date: Sat, 19 Apr 2008 14:45:56 +0530 (IST)
Subject: Re: [Axis2]Apache Axis2/C 1.3.1 RC2
From: "Senaka Fernando" <senaka@wso2.com>
To: "Apache AXIS C Developers List" <axis-c-dev@ws.apache.org>
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Hi all,

I ran Axis2/C with the IIS module (WinXP + IIS 5.1). All samples ran well
and no build issues etc.

Regards,
Senaka

> Hi all,
> There was a bug in guththila_un_init function and guththila_reader_free
> function which will cause memory leaks. Should I commit the fix into the
> trunk. I think these fixes must go with the 1.3.1.
>
> Thanks
> Milinda
>
> On Sat, Apr 19, 2008 at 10:27 AM, Manjula Peiris <manjula@wso2.com> wrote:
>
>> Hi Damitha,
>>
>> With HTTPD we are now creating the local pool (actually request pool)
>> with our own apr_allocator. See the following two function calls at the
>> beginning of the mod_axis2.c axis2_handler function.
>>
>> apr_allocator_create(&local_allocator);
>> apr_pool_create_ex(&local_pool, NULL, NULL, local_allocator);
>>
>> The two NULL values passing are the parent pool and the callback
>> function inorder to handle pool creation failure.
>>
>> At the end of this axis2_handle function we free both apr_pool and the
>> apr_allocator using the following two calls.
>>
>> apr_pool_destroy(local_pool);
>> apr_allocator_destroy(local_allocator);
>>
>> What makes sandesha to crash is the call to apr_allocator_destroy. But
>> that call is necessary when handling large size of requests frequently.
>> (specially quite large attachments).
>>
>> Because sandesha starts threads and since these threads remains after
>> the request the crashing happens. The solution for this is we need to
>> keep a pointer to this apr_allocator_t * (here local_allocator) and a
>> ref count to keep the number of references. Inside Sandesha sender
>> thread we can increment the ref count. This destroy function calls only
>> if the ref count is zero. we can keep the ref_count and the pointer to
>> the apr_allocator inside axutil_allocator. Then checking for the ref
>> count and calls to destroy functions are wrapped in a macro called
>> AXIS2_POOL_ALLOCATOR_DESTROY which is similar to AXIS2_FREE. Both
>> Sandesha and mod_axis2 calls this macro instead of calling destroy
>> functions straightway as we are doing now.
>>
>> Thanks,
>> -Manjula.
>>
>>
>>
>> On Sat, 2008-04-19 at 08:19 +0530, Damitha Kumarage wrote:
>> > Manjula Peiris wrote:
>> >
>> > >On Fri, 2008-04-18 at 11:40 +0530, Damitha Kumarage wrote:
>> > >
>> > >
>> > >>Axis2C-1079 is still open. That means Sandesha2/C dual channel does
>> not
>> > >>work with Apache2.
>> > >>This problem started due to a change to Axis2/C code. We cannot
>> release
>> > >>without solving this.
>> > >>
>> > >>
>> > >
>> > >This may fails because now we are freeing the apr local pool. I did
>> fix
>> > >this locally in my machine but it needs more testing. Since it is now
>> so
>> > >close to the release I will commit the stuff after the release.
>> > >
>> > >
>> > +1 for doing this after 1.3.1 release. Could you please explain about
>> > the changes involved so that I too can have a look at it.
>> > thanks
>> > Damitha
>> >
>> > >Thanks,
>> > >-Manjula.
>> > >
>> > >
>> > >
>> > >>thanks
>> > >>Damitha
>> > >>
>> > >>Dinesh Premalal wrote:
>> > >>
>> > >>
>> > >>
>> > >>>Hi All,
>> > >>>
>> > >>>  I have packed and uploaded Apache Axis2/C 1.3.1 RC2 here
>> > >>>  [1]. Please test and send your feedback.
>> > >>>
>> > >>>thanks,
>> > >>>Dinesh
>> > >>>
>> > >>>1.http://people.apache.org/~dinesh/release/Axis2C-1.3.1-RC2/<http://people.apache.org/%7Edinesh/release/Axis2C-1.3.1-RC2/>
>> > >>>
>> > >>>
>> > >>>
>> > >>>
>> > >>>
>> > >>---------------------------------------------------------------------
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>> > >>
>> > >>
>> > >>
>> > >
>> > >
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>> > >
>> > >
>> > >
>> >
>> >
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>> >
>>
>>
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>>
>
>
> --
> http://inf-dimensions.blogspot.com "Infinite Dimensions"
> http://wsaxc.blogspot.com "Web Services With Axis2/C"
>


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