https://issues.apache.org/bugzilla/show_bug.cgi?id=52291
Bug #: 52291
Summary: Apache Child has Problems with LD_LIBRARY_PATH
(php/oracle)
Product: Apache httpd-2
Version: 2.2.19
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: All
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Hello,
i seen this issue since years on many different versions of apache2 and php.
At the moment i've seen this with:
Apache 2.2.16, PHP 5.3.3 (Oracle as php-pear-module)
Apache 2.2.3, PHP 5.2.0 (Oracle compiled with php)
Apache 2.2.3, PHP 5.2.0 (Oracle as php-pear-module)
and also on many older versions, but this installations has already been
upgraded.
the error message is "PHP Warning: ocilogon() [function.ocilogon]:
OCIEnvNlsCreate() failed. There is something wrong with your system - please
check that LD_LIBRARY_PATH includes the directory with Oracle Instant Client
libraries"
when you take a look at google, you find a lot of reports of this issue.
e.g.
http://www.eckford.ca/OpenSourceDev/subjects/UbuntuServer/php-oci8.php
https://bugs.php.net/bug.php?id=36355
but if you find a solution on the sites on google, everyone is telling
something different... I would say there is no solution for this issue, just
after changing something and restarting the mashine the issue is gone for a
long time, but it is still there.
Since i've seen this issue on many mashines i tested a lot of things, about
setting the "LD_LIBRARY_PATH" in all possible files; but this issue is happing
about 1 time / year.
Now i've got one mashine where it is happening about once a day.
i don't see any difference to the other mashines, just that it is a virtual
mashine.
When this problem is happening, it is not happening for every client; just
"randomly". because this is happening that often i now know it it just happing
because of ONE (or maybe also 2 at the same time) Apache childs.
when i do a phpinfo() for this childs where is NO difference.
but the processes itself are different:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 20847 0.0 0.5 55496 11572 ? Ss 09:16 0:00
/usr/sbin/apach
www-data 20855 0.0 0.6 128600 13888 ? Sl 09:16 0:00
/usr/sbin/apach
www-data 20856 0.0 0.6 127764 13748 ? Sl 09:16 0:00
/usr/sbin/apach
www-data 20857 0.0 0.6 128520 14640 ? Sl 09:16 0:00
/usr/sbin/apach
www-data 20859 0.0 0.5 58228 11128 ? S 09:16 0:00
/usr/sbin/apach
www-data 20875 0.1 0.7 129832 16216 ? Sl 09:17 0:00
/usr/sbin/apach
here the issue was with PID 20859.
as you see this PID is using less memory (VSZ + RSS) and also is not
multi-threaded (STAT is "S" instead of "Sl").
so i believe this i an apache issue.
the main question is: how to find this issue; what to test when it's happening
again etc.
BR johannes
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