Additional uncaught exception thrown while handling exception.

<h1>Additional uncaught exception thrown while handling exception.</h1><h2>Original</h2><p>PDOException: SQLSTATE[08S01]: Communication link failure: 1053 Server shutdown in progress: SELECT t.*
FROM 
{field_data_field_tags} t
WHERE  (entity_type = :db_condition_placeholder_0) AND (entity_id IN  (:db_condition_placeholder_1)) AND (language IN  (:db_condition_placeholder_2)) AND (deleted = :db_condition_placeholder_3) 
ORDER BY delta ASC; Array
(
    [:db_condition_placeholder_0] =&amp;gt; node
    [:db_condition_placeholder_1] =&amp;gt; 10504
    [:db_condition_placeholder_2] =&amp;gt; und
    [:db_condition_placeholder_3] =&amp;gt; 0
)
 in field_sql_storage_field_storage_load() (line 412 of /var/www/santamarta.gov.co/public_html/modules/field/modules/field_sql_storage/field_sql_storage.module).</p><h2>Additional</h2><p>PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT expire, value FROM {semaphore} WHERE name = :name; Array
(
    [:name] =&amp;gt; rules_get_cacherules_event_whitelist
)
 in lock_may_be_available() (line 167 of /var/www/santamarta.gov.co/public_html/includes/lock.inc).</p><hr /><h1>Uncaught exception thrown in shutdown function.</h1><p>PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {semaphore} 
WHERE  (value = :db_condition_placeholder_0) ; Array
(
    [:db_condition_placeholder_0] =&amp;gt; 197222249568a62ebe3814b3.28192418
)
 in lock_release_all() (line 269 of /var/www/santamarta.gov.co/public_html/includes/lock.inc).</p><hr />