不能谷歌云SQL从谷歌应用程序引擎连接
得到的LogMessage：“[
j~gcp-ws-203608/20180510t123822.409615356828549281].<stdout>: 2018-05-10 07:20:08.036 ERROR 1 --- [Request5396402F] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Exception during pool initialization.
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_112-google-v7]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_112-google-v7]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_112-google-v7]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_112-google-v7]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[jdbc-mysql-connector.jar:na]
at com.mysql.jdbc.Util.getInstance(Util.java:386) ~[jdbc-mysql-connector.jar:na]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014) ~[jdbc-mysql-connector.jar:na]
依赖使用：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.google.cloud.sql</groupId>
<artifactId>mysql-socket-factory-connector-j-6</artifactId>
<version>1.0.5</version>
</dependency>
