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Date: Tue, 20 Sep 2005 06:32:27 +0200 (CEST)
From: "Dushshantha Chandradasa (JIRA)" <axis-c-dev@ws.apache.org>
To: axis-c-dev@ws.apache.org
Subject: [jira] Commented: (AXISCPP-343) SIGSEGV deserializing an array of
 complex elements
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    [ http://issues.apache.org/jira/browse/AXISCPP-343?page=comments#action_12329941 ] 

Dushshantha Chandradasa commented on AXISCPP-343:
-------------------------------------------------

from the Mailing list:

Dushshantha Chandradasa wrote:

>Hi All,
>Could somebody please explain why do we use a virtual destructor in 
>complex type auto generated classes for RPC style?
>  
>
In my understanding, it is not a problem to use the virtual destructors. 
But the problem is that we use both memset, followed by delete[] on the same object.
I think we got to do only one of those and see if there are memory leaks.
using delete[] without memset and checking for leaks would reveal whether delete[] alone would take care of memory cleaning.

Thanks,
Samisa...


> SIGSEGV deserializing an array of complex elements
> --------------------------------------------------
>
>          Key: AXISCPP-343
>          URL: http://issues.apache.org/jira/browse/AXISCPP-343
>      Project: Axis-C++
>         Type: Bug
>   Components: Serialization
>     Versions: 1.4 Final
>  Environment: RH9
>     Reporter: Unai Uribarri
>     Assignee: Dushshantha Chandradasa
>  Attachments: siaam.wsdl
>
> The function Axis_Create_* (in the following example, the mapItem
> object) in the stubs generated by wsdl2ws java tool generates a SIGSEGV
> when tring to enlarge an array of objects
>         mapItem* pNew = new mapItem[nSize];
>         memcpy(pNew, pObj, sizeof(mapItem)*nSize/2);
>         memset(pObj, 0, sizeof(mapItem)*nSize/2);
>         --> delete [] pObj; <-- SIGSEGV
> memset clears the virtual table pointer of the mapItem objects and the delete operator crash.

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