max_allowed_packet

[speed]

2017-06-28 09:48:59,005--ERROR --Save data failure, url:https://www.pornhub.com/view_video.php?viewkey=ph56c925e408be4, log:javax.jdo.JDODataStoreException: Insert of object "com.soso.crawler.model.Crawler_CrawlDataTable@58a70d1" using statement "INSERT INTO CRAWLER_CRAWLDATATABLE (FETCHTIMES,SITEID,DEPLOYLOG,STATUS,MD5DIGEST,CRAWLURL,CRAWLURLID,ORDERINDEX,CHECKLOG,CREATEDATE,DATA,MD5DIGESTHASH) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)" failed : Packet for query is too large (1764526 > 1048576). You can change this value on the server by setting the max_allowed_packet' variable.
NestedThrowables:
com.mysql.jdbc.PacketTooBigException: Packet for query is too large (1764526 > 1048576). You can change this value on the server by setting the max_allowed_packet' variable.

[speed]

mysql -hlocalhost -uroot -p
show variables like 'max_allowed_packet'

#change to 5M
/etc/my.cnf for MySQL instance, or /etc/my.cnf.d/server.cnf for MariaDB
[mysqld]
max_allowed_packet=5M

restart mysql