在Google Appengine上接收SQLNonTransientConnectionException

我一直在Google平台上使用MySQL（“Cloud SQL”）多年。第一代。仅SSL连接。我已经有了几个月的所有证书，并且运行良好。我的证书没有过期。在过去的一天半里，我一直无法连接到数据库！尝试重新启动数据库。由于周五开始的拒绝服务攻击，谷歌是否改变了他们的环境？在Google Appengine上接收SQLNonTransientConnectionException

Exception in thread "main" java.sql.SQLNonTransientConnectionException: SSL Connection required, but not supported by server. 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:550) 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:537) 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:527) 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:512) 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:480) 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:498) 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:494) 
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:72) 
    at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:1634) 
    at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:637) 
    at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:351) 
    at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:224) 
    at java.sql.DriverManager.getConnection(DriverManager.java:664) 
    at java.sql.DriverManager.getConnection(DriverManager.java:208) 
    at ... my code

发生了什么事？

来源

2016-10-22 Robert

所以经过一番调查后，我发现我的服务器端证书丢失了。我通过使用Developer Console重新启动CloudSQL实例发现了这一点。然后我调查了日志。

2016-10-22 12:42:47 0 [Note] (mysqld 5.6.31-log) starting as process 554455 ... 
2016-10-22 12:42:47 554455 [Note] Semi-sync replication initialized for transactions. 
2016-10-22 12:42:47 554455 [Note] Semi-sync replication enabled on the master. 
2016-10-22 12:42:47 554455 [Note] InnoDB: Using atomics to ref count buffer pool pages 
2016-10-22 12:42:47 554455 [Note] InnoDB: The InnoDB memory heap is disabled 
2016-10-22 12:42:47 554455 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 
2016-10-22 12:42:47 554455 [Note] InnoDB: Memory barrier is not used 
2016-10-22 12:42:47 554455 [Note] InnoDB: Compressed tables use zlib 1.2.8 
2016-10-22 12:42:47 554455 [Note] InnoDB: Using CPU crc32 instructions 
2016-10-22 12:42:47 554455 [Note] InnoDB: Initializing buffer pool, size = 96.0M 
2016-10-22 12:42:47 554455 [Note] InnoDB: Completed initialization of buffer pool 
2016-10-22 12:42:47 554455 [Note] InnoDB: Highest supported file format is Barracuda. 
2016-10-22 12:42:51 554455 [Note] InnoDB: 128 rollback segment(s) are active. 
2016-10-22 12:42:51 554455 [Note] InnoDB: 5.6.31 started; log sequence number 10094548402 
2016-10-22 12:42:52 554455 [Note] RSA private key file not found: /sfs/project/database/data//private_key.pem. Some authentication plugins will not work. 
2016-10-22 12:42:52 554455 [Note] RSA public key file not found: /sfs/project/database/data//public_key.pem. Some authentication plugins will not work. 
2016-10-22 12:42:52 554455 [Note] Add the 'cloudsqladmin' user with the password hash '*ACE49C8814A8031C812FD739A573BDD4FFF8F7EE' 
2016-10-22 12:42:53 554455 [Note] Event Scheduler: Loaded 0 events 
2016-10-22 12:42:53 554455 [Note] : ready for connections. 
Version: '5.6.31-log' socket: '' port: 0 (43, 47) (Google)

我仍然希望了解这是怎么发生的，会在我能的时候更新。考虑到这一切发生在谷歌方面，我不知道我可以直接修复它。我发现在开发控制台中有一个选项“重置SSL配置”。我希望我不必那样做，因为这意味着要为生产代码和所有开发人员推出新的证书。我的问题也在这里跟踪：https://code.google.com/p/googlecloudsql/issues/detail?id=188

来源

2016-10-22 13:55:38 Robert

最终我最终帮助自己。我确实使用了开发控制台中的“重置SSL配置”选项。也许这篇文章会在需要的时候帮助别人。我知道不是每个人都有白金支持。 – Robert

在Google Appengine上接收SQLNonTransientConnectionException

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