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Bug #74420 oci_pconnect over tls problems
Submitted: 2017-04-12 11:13 UTC Modified: 2018-12-16 04:22 UTC
Avg. Score:4.9 ± 0.3
Reproduced:12 of 14 (85.7%)
Same Version:12 (100.0%)
Same OS:11 (91.7%)
From: sega234 at mail dot ru Assigned: sixd (profile)
Status: No Feedback Package: OCI8 related
PHP Version: 7.* OS: Ubuntu 16.04/CentOS 6
Private report: No CVE-ID: None
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 [2017-04-12 11:13 UTC] sega234 at mail dot ru
I try to use persistent connection to database with tls protocol. Also i use nginx and php-fpm. During first 6 requests connections to db are established. In next request I receive php Warning:
Errno: 2 
Errstr: oci_parse(): supplied resource is not a valid oci8 connection resource 
Errline: 16

If I restart php-fpm, then i can do 6 requests more, and in 7th I will recive warning.
If in php-fpm I set pm.start_servers = 10 and restart php-fpm, then i can do 11 requests, and in 12th I will recive warning.
Requests without error correlates with pm.start_servers parameter.

Also, in cloned vm with php version 5.6.22 problem does not exists.
Also, oci_pconnect() with php7.1.3 works without tls protocol.

OCI8 Version 2.1.3
Oracle Run-time Client Library Version
Oracle Compile-time Instant Client Version 12.2
php.ini default settings

php.fpm settings:
pm.max_children = 250
pm.start_servers = 5
pm.min_spare_servers = 5
pm.max_spare_servers = 25

Test script:

ini_set('error_reporting', E_ALL);  
ini_set('display_errors', 1);  
function errorsHandler($errno , $errstr, $errfile, $errline) {  
    echo "Errno: " . $errno . "\n";  
    echo "Errstr: " . $errstr . "\n";  
    echo "Errline: " . $errline . "\n";
$conn = oci_pconnect('/', '', 'SECUREDCONNECTION','AL32UTF8',OCI_CRED_EXT);  
if (!$conn) {  
  die("Connection problems: " . oci_error());  
$stid = oci_parse($conn, 'select * from accounts where number = :number');  
$value = '4080************2622';  
oci_bind_by_name($stid, ':number', $value, -1, SQLT_CHR);  
echo "Sql executed" . PHP_EOL;  

Expected result:
Sql executed

Actual result:
Errno: 2 
Errstr: oci_parse(): supplied resource is not a valid oci8 connection resource 
Errline: 16


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 [2017-06-15 04:11 UTC] sega234 at mail dot ru
-Operating System: Ubuntu 16.04 +Operating System: Ubuntu 16.04/CentOS 6 -PHP Version: 7.1.3 +PHP Version: 7.*
 [2017-06-15 04:11 UTC] sega234 at mail dot ru
Problem also found on PHP 7.0.18 and CentOS 6
 [2017-06-15 18:49 UTC]
-Status: Open +Status: Assigned -Assigned To: +Assigned To: sixd
 [2017-06-15 18:49 UTC]
Assigning to Oracle
 [2017-12-06 08:41 UTC] sega234 at mail dot ru
Reproduced on PHP Version 7.2.0
 [2018-09-04 17:40 UTC] php at koenigskind dot net
Possibly related to Bug #76804 and might also be fixed with the pull request:
 [2018-12-08 10:31 UTC]
-Status: Assigned +Status: Feedback
 [2018-12-08 10:31 UTC]
Try the fix merged for #76804
 [2018-12-16 04:22 UTC] php-bugs at lists dot php dot net
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