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 /* p_c create_catalog_var */
		td.tid, 
		td.name,
		td.description,
		td.weight,
		th.parent, 
		fu.field_url_value as url,
		fi.field_term_img_fid as img,
		fs.facets,
		fsh.field_show_value as `show`,
		ti.counter

	FROM 
		taxonomy_term_data td 
		LEFT JOIN 
		(
				SELECT 
					f.field_structure_tid as tid, 
					COUNT(*) as counter 
				FROM 
					field_data_field_structure f,
					node n
				WHERE
					f.entity_id = n.nid AND
					n.status = 1
				GROUP BY 
					f.field_structure_tid
		) ti
		ON
			ti.tid = td.tid,
		taxonomy_term_hierarchy th, 
		field_data_field_show fsh,
		field_data_field_url fu
		LEFT JOIN 
			field_data_field_term_img fi
		ON 
			fi.entity_id = fu.entity_id
		LEFT JOIN 
		(
			SELECT 
				entity_id, 
				GROUP_CONCAT(CAST(field_facets_tid as CHAR(6)) SEPARATOR &amp;#039;,&amp;#039;) as facets 
			FROM 
				field_data_field_facets
			WHERE
				entity_type = &amp;#039;taxonomy_term&amp;#039;
			GROUP BY 
				entity_id
		) fs
		ON 
			fs.entity_id = fu.entity_id
	WHERE 
		td.vid = 8 AND
		td.tid = th.tid AND
		td.tid = fu.entity_id AND
		td.tid = fsh.entity_id AND
		fu.field_url_value &amp;lt;&amp;gt; &amp;#039;&amp;#039; AND
		fu.field_url_value IS NOT NULL
	ORDER BY td.weight
	; Array
(
)
 in create_catalog_var() (line 259 of /home/webmaster/domains/mrgav.ru/html/sites/all/modules/products_catalog/products_catalog.module).</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:1293:&amp;quot;SQLSTATE[08S01]: Communication link failure: 1053 Server shutdown in progress: 
	SELECT /* p_c create_catalog_var */
		td.tid, 
		td.name,
		td.description,
		td.weight,
		th.parent, 
		fu.field_url_value as url,
		fi.field_term_img_fid as img,
		fs.facets,
		fsh.field_show_value as `show`,
		ti.counter

	FROM 
		taxonomy_term_data td 
		LEFT JOIN 
		(
				SELECT 
					f.field_structure_tid as tid, 
					COUNT(*) as counter 
				FROM 
					field_data_field_structure f,
					node n
				WHERE
					f.entity_id = n.nid AND
					n.status = 1
				GROUP BY 
					f.field_structure_tid
		) ti
		ON
			ti.tid = td.tid,
		taxonomy_term_hierarchy th, 
		field_data_field_show fsh,
		field_data_field_url fu
		LEFT JOIN 
			field_data_field_term_img fi
		ON 
			fi.entity_id = fu.entity_id
		LEFT JOIN 
		(
			SELECT 
				entity_id, 
				GROUP_CONCAT(CAST(field_facets_tid as CHAR(6)) SEPARATOR &amp;amp;#039;,&amp;amp;#039;) as facets 
			FROM 
				field_data_field_facets
			WHERE
				entity_type = &amp;amp;#039;taxonomy_term&amp;amp;#039;
			GROUP BY 
				entity_id
		) fs
		ON 
			fs.entity_id = fu.entity_id
	WHERE 
		td.vid = 8 AND
		td.tid = th.tid AND
		td.tid = fu.entity_id AND
		td.tid = fsh.entity_id AND
		fu.field_url_value &amp;amp;lt;&amp;amp;gt; &amp;amp;#039;&amp;amp;#039; AND
		fu.field_url_value IS NOT NULL
	ORDER BY td.weight
	; Array
(
)
&amp;quot;;s:9:&amp;quot;%function&amp;quot;;s:20:&amp;quot;create_catalog_var()&amp;quot;;s:5:&amp;quot;%file&amp;quot;;s:96:&amp;quot;/home/webmaster/domains/mrgav.ru/html/sites/all/modules/products_catalog/products_catalog.module&amp;quot;;s:5:&amp;quot;%line&amp;quot;;i:259;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; https://www.mrgav.ru/catalog/sobaki/amuniciya/osheyniki/fb-ferplast/?f0=782-1670&amp;amp;f782=793&amp;amp;fp=all
    [:db_insert_placeholder_7] =&amp;gt; 
    [:db_insert_placeholder_8] =&amp;gt; 216.73.216.182
    [:db_insert_placeholder_9] =&amp;gt; 1749409231
)
 in dblog_watchdog() (line 157 of /home/webmaster/domains/mrgav.ru/html/modules/dblog/dblog.module).</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; 2208670096845ddcf14d091.31921182
)
 in lock_release_all() (line 269 of /home/webmaster/domains/mrgav.ru/html/includes/lock.inc).</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; isUf7sr2A655leRaG0UaJ1xWOliKNuN3h1tgu3XduFI
    [:db_condition_placeholder_1] =&amp;gt; isUf7sr2A655leRaG0UaJ1xWOliKNuN3h1tgu3XduFI
)
 in _drupal_session_write() (line 206 of /home/webmaster/domains/mrgav.ru/html/includes/session.inc).</p><hr />