Additional uncaught exception thrown while handling exception.

<h1>Additional uncaught exception thrown while handling exception.</h1><h2>Original</h2><p>PDOException: SQLSTATE[HY000]: General error: 2013 Lost connection to MySQL server during query: SELECT alias FROM {url_alias} WHERE source = :source AND language IN (:language, :language_none) ORDER BY language ASC, pid DESC; Array
(
    [:source] =&amp;gt; node/13865
    [:language] =&amp;gt; ru
    [:language_none] =&amp;gt; und
)
 in drupal_lookup_path() (line 150 of /home/an2k/Apl/etalon_drupal/includes/path.inc).</p><h2>Additional</h2><p>PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array
(
    [:db_insert_placeholder_0] =&amp;gt; 0
    [:db_insert_placeholder_1] =&amp;gt; php
    [:db_insert_placeholder_2] =&amp;gt; %type: !message in %function (line %line of %file).
    [:db_insert_placeholder_3] =&amp;gt; a:6:{s:5:&amp;quot;%type&amp;quot;;s:12:&amp;quot;PDOException&amp;quot;;s:8:&amp;quot;!message&amp;quot;;s:310:&amp;quot;SQLSTATE[HY000]: General error: 2013 Lost connection to MySQL server during query: SELECT alias FROM {url_alias} WHERE source = :source AND language IN (:language, :language_none) ORDER BY language ASC, pid DESC; Array
(
    [:source] =&amp;amp;gt; node/13865
    [:language] =&amp;amp;gt; ru
    [:language_none] =&amp;amp;gt; und
)
&amp;quot;;s:9:&amp;quot;%function&amp;quot;;s:20:&amp;quot;drupal_lookup_path()&amp;quot;;s:5:&amp;quot;%file&amp;quot;;s:46:&amp;quot;/home/an2k/Apl/etalon_drupal/includes/path.inc&amp;quot;;s:5:&amp;quot;%line&amp;quot;;i:150;s:14:&amp;quot;severity_level&amp;quot;;i:3;}
    [:db_insert_placeholder_4] =&amp;gt; 3
    [:db_insert_placeholder_5] =&amp;gt; 
    [:db_insert_placeholder_6] =&amp;gt; http://nasledie.ru/?q=node&amp;amp;page=0%2C157%2C0%2C0%2C6%2C2%2C4%2C0%2C0%2C138
    [:db_insert_placeholder_7] =&amp;gt; 
    [:db_insert_placeholder_8] =&amp;gt; 127.0.0.1
    [:db_insert_placeholder_9] =&amp;gt; 1714825836
)
 in dblog_watchdog() (line 163 of /home/an2k/Apl/etalon_drupal/modules/dblog/dblog.module).</p><hr /><h1>Uncaught exception thrown in session handler.</h1><p>PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT 1 AS expression
FROM 
{sessions} sessions
WHERE ( (sid = :db_condition_placeholder_0) AND (ssid = :db_condition_placeholder_1) ); Array
(
    [:db_condition_placeholder_0] =&amp;gt; UCBRygoU7-AOuuWPtda4-BStxDnRv7ybT7U2KjtSqAs
    [:db_condition_placeholder_1] =&amp;gt; 
)
 in _drupal_session_write() (line 209 of /home/an2k/Apl/etalon_drupal/includes/session.inc).</p><hr />