The server time zone value 'EDT' is unrecognized or represents more than one time zone.

2019-10-14 18:07:43.714 ERROR 74363 --- [Druid-ConnectionPool-Create-1855026648] com.alibaba.druid.pool.DruidDataSource   : create connection SQLException, url: jdbc:mysql://10.30.244.229:3306/acsdb?dontTrackOpenResources=true&useUnicode=true&characterEncoding=utf8, errorCode 0, state 01S00

java.sql.SQLException: The server time zone value 'EDT' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.

出现这种问题仍是版本更细，与其余版本形成    

显示新版本的数据库链接程序须要指定UTC时区，改正方法将配置文件中的“url”后面加上指定的时区，将其值改成“url=jdbc:mysql://localhost:3306/db&serverTimezone=GMT”

改以前：

mss@linux-ozm7:~/cache> cat acs_env_cache.properties
#cache properties from center.
#Mon Oct 14 18:51:00 EDT 2019
gis.datasource.gpsdb.username=root
gis.datasource.acsdb.password=acsAdmin@2018
spring.kafka.bootstrap-servers=10.30.244.229\:10180
logging.config=classpath\:config/logback-file.xml
gis.datasource.gpsdb.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc\:mysql\://10.30.244.229\:3306/acsdb?dontTrackOpenResources\=true&useUnicode\=true
gis.datasource.acsdb.type=com.alibaba.druid.pool.DruidDataSource
gis.datasource.acsdb.username=root
spring.datasource.password=acsAdmin@2018
gis.datasource.gpsdb.type=com.alibaba.druid.pool.DruidDataSource
spring.redis.password=Allcam@2018
gis.datasource.gpsdb.password=acsAdmin@2018
gis.datasource.acsdb.url=jdbc\:mysql\://10.30.244.229\:3306/acsdb?dontTrackOpenResources\=true&useUnicode\=true
spring.datasource.username=root
spring.redis.port=10170
dubbo.registry.address=zookeeper\://10.30.244.229\:10190
spring.redis.host=10.30.244.229
gis.datasource.acsdb.driver-class-name=com.mysql.jdbc.Driver
gis.datasource.gpsdb.url=jdbc\:mysql\://10.30.244.229\:3306/gisdb?dontTrackOpenResources\=true&useUnicode\=true

改以后：

mss@linux-ozm7:~/cache> cat acs_env_cache.properties
#cache properties from center.
#Mon Oct 14 18:51:00 EDT 2019
gis.datasource.gpsdb.username=root
gis.datasource.acsdb.password=acsAdmin@2018
spring.kafka.bootstrap-servers=10.30.244.229\:10180
logging.config=classpath\:config/logback-file.xml
gis.datasource.gpsdb.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc\:mysql\://10.30.244.229\:3306/acsdb?dontTrackOpenResources\=true&useUnicode\=true&characterEncoding\=utf8&serverTimezone\=GMT
gis.datasource.acsdb.type=com.alibaba.druid.pool.DruidDataSource
gis.datasource.acsdb.username=root
spring.datasource.password=acsAdmin@2018
gis.datasource.gpsdb.type=com.alibaba.druid.pool.DruidDataSource
spring.redis.password=Allcam@2018
gis.datasource.gpsdb.password=acsAdmin@2018
gis.datasource.acsdb.url=jdbc\:mysql\://10.30.244.229\:3306/acsdb?dontTrackOpenResources\=true&useUnicode\=true&characterEncoding\=utf8&serverTimezone\=GMT
spring.datasource.username=root
spring.redis.port=10170
dubbo.registry.address=zookeeper\://10.30.244.229\:10190
spring.redis.host=10.30.244.229
gis.datasource.acsdb.driver-class-name=com.mysql.jdbc.Driver
gis.datasource.gpsdb.url=jdbc\:mysql\://10.30.244.229\:3306/gisdb?dontTrackOpenResources\=true&useUnicode\=true&characterEncoding\=utf8&serverTimezone\=GMT