Memory leak when loosing connections
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Key: AXIS2C-1476
URL: https://issues.apache.org/jira/browse/AXIS2C-1476
Project: Axis2-C
Issue Type: Bug
Components: httpd module
Affects Versions: 1.6.0
Environment: Windows 7 64-bit, Visual Studio 2010
Reporter: Sam Carleton
Priority: Blocker
Fix For: Next Version
I was load testing my apache code today by starting 50 clients which all start
in a slide show mode, pooling the server at least every 5 seconds. I have a
manager program that starts the clients and does does an abort of the processes
when I want to close them. That is the secret, the abort...
I was watching memory usage while it ran, and all was fine, Apache held steady
at around 55 megs. Once I killed the 50 processes, all at the EXACT same time,
well milliseconds apart, the memory usage sky rocketed. When I broke the code,
I was in the mod_axis2::apache2_stream_read function.
It turns out that ap_get_client_block(...) was returning 0xFFFFFFFF to the read
variable:
read = ap_get_client_block(stream_impl->request, (char *) buffer + len,
count - len);
if (read > 0)
It turns out that read is unsigned, so the 0xFFFFFFFF is NOT negative, so I
changed the code to read:
if (read > 0 && read != 0xFFFFFFFF)
All is well after the minor addition!
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