caused by: org.springframework.dao.TransientDataAccessResourceException: Hibernate operation: could not insert: [com.atlassian.confluence.spaces.Space#173637642]; SQL []; Could not retrieve transation read-only status server; nested exception is java.sql.SQLException: Could not retrieve transation read-only status server
at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:106)
caused by: java.sql.SQLException: Could not retrieve transation read-only status server
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)
caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 302,711 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
at sun.reflect.GeneratedConstructorAccessor643.newInstance(Unknown Source)
caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3119)