# com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

Liferay Issues | Tammy Fong | 3 years ago
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### [LPS-43517] Deactivating Staging for site with assettag entry will crash database - Liferay Issues

liferay.com | 1 year ago
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
2. 0