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redis driver now catches successfully a missing redis extension and a unavailable redis server

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This commit is contained in:
HB9HIL
2026-02-02 13:13:42 +01:00
parent 3699c63241
commit 9fa0604810
1 changed files with 17 additions and 7 deletions
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24
system/libraries/Cache/drivers/Cache_redis.php
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@@ -100,9 +100,9 @@ class CI_Cache_redis extends CI_Driver
*/
public function __construct()
{
if ( ! $this->is_supported())
if ( ! extension_loaded('redis'))
{
log_message('error', 'Cache: Failed to create Redis object; extension not loaded or redis not available?');
log_message('error', 'Cache: Failed to create Redis object; extension not loaded?');
return;
}
@@ -133,21 +133,30 @@ class CI_Cache_redis extends CI_Driver
$this->_redis = new Redis();
// The following calls used to be wrapped in a try ... catch
// and just log an error, but that only causes more errors later.
if ( ! $this->_redis->connect($config['host'], ($config['host'][0] === '/' ? 0 : $config['port']), $config['timeout']))
try
{
log_message('error', 'Cache: Redis connection failed. Check your configuration.');
if ( ! $this->_redis->connect($config['host'], ($config['host'][0] === '/' ? 0 : $config['port']), $config['timeout']))
{
log_message('error', 'Cache: Redis connection failed. Check your configuration.');
return;
}
}
catch (Exception $e)
{
log_message('error', 'Cache: Redis connection failed: '.$e->getMessage());
return;
}
if (isset($config['password']) && ! $this->_redis->auth($config['password']))
{
log_message('error', 'Cache: Redis authentication failed.');
return;
}
if (isset($config['database']) && $config['database'] > 0 && ! $this->_redis->select($config['database']))
{
log_message('error', 'Cache: Redis select database failed.');
return;
}
}
@@ -346,12 +355,13 @@ class CI_Cache_redis extends CI_Driver
if ( ! isset($this->_redis))
{
log_message('debug', 'Cache: Redis extension is loaded but no connection is present.');
return FALSE;
}
try
{
return $this->_redis->ping();
return ($this->_redis->ping() !== FALSE);
}
catch (Exception $e)
{