google-compute-engine - 无法创建套接字工厂 'com.google.cloud.sql.mysql.SocketFactory;'

Question

我似乎无法让这个工作..

我正在使用 Google 柔性环境 并想连接到我的 二代云SQL 数据库。我目前收到此异常:

[main] ERROR com.mahlzeit.server.BootstrappingServerConfig - Error trying to migrate SQL scripts ..
org.flywaydb.core.api.FlywayException: Unable to obtain Jdbc connection from DataSource
    at org.flywaydb.core.internal.util.jdbc.JdbcUtils.openConnection(JdbcUtils.java:56)
    at org.flywaydb.core.Flyway.execute(Flyway.java:1385)
    at org.flywaydb.core.Flyway.migrate(Flyway.java:1006)
    ...
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create socket factory 'com.google.cloud.sql.mysql.SocketFactory;' due to underlying exception:
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    ...
Caused by: java.lang.ClassNotFoundException: com/google/cloud/sql/mysql/SocketFactory;
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at com.mysql.jdbc.MysqlIO.createSocketFactory(MysqlIO.java:3321)
    ...

这就是我如何配置我的 DataSource :

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.jdbc.Driver" />
    <property name="url" value="jdbc:mysql://google/mz_db?cloudSqlInstance=mz-test:us-central1:mz-life-cloudsql-prod&amp;socketFactory=com.google.cloud.sql.mysql.SocketFactory;" />
    <property name="username" value="root" />
    <property name="password" value="" />
</bean>

我添加了 mysql-socket-factory 作为依赖:

<dependency>
    <groupId>com.google.cloud.sql</groupId>
    <artifactId>mysql-socket-factory</artifactId>
    <version>1.0.0</version>
</dependency>

那么为什么我会收到此异常？

Answer 1

最后有一个分号，所以它试图加载一个名为 com.google.cloud.sql.mysql.SocketFactory; 的类。尝试删除末尾的分号。