JDBC 连接 Azure Database for MySQL 报错 SSL peer shut down incorrectly 的解决

这个问题找了一天的原因,如果你也遇到了这个问题,希望能帮到你。

完整错误信息:

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03-Jun-2020 07:52:22.772 SEVERE [main] org.apache.tomcat.jdbc.pool.ConnectionPool.init Unable to create initial connections of pool.
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 384 milliseconds ago. The last packet sent successfully to the server was 376 milliseconds ago.
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:105)
at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:5126)
at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1666)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1244)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2397)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2430)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2215)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334)
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:319)
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:212)
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:744)
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:676)
at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:483)
at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:154)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:118)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:107)
at org.apache.tomcat.jdbc.pool.DataSourceFactory.createDataSource(DataSourceFactory.java:560)
at org.apache.tomcat.jdbc.pool.DataSourceFactory.getObjectInstance(DataSourceFactory.java:244)
at org.apache.naming.factory.FactoryBase.getObjectInstance(FactoryBase.java:96)
at java.naming/javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:325)
at org.apache.naming.NamingContext.lookup(NamingContext.java:857)
at org.apache.naming.NamingContext.lookup(NamingContext.java:160)
at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
at org.apache.naming.NamingContext.lookup(NamingContext.java:174)
at org.apache.catalina.core.NamingContextListener.addResource(NamingContextListener.java:1017)
at org.apache.catalina.core.NamingContextListener.createNamingContext(NamingContextListener.java:557)
at org.apache.catalina.core.NamingContextListener.lifecycleEvent(NamingContextListener.java:253)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:924)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
Caused by: javax.net.ssl.SSLHandshakeException: Remote host terminated the handshake
at java.base/sun.security.ssl.SSLSocketImpl.handleEOF(SSLSocketImpl.java:1322)
at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1160)
at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1063)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)
at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:90)
... 44 more
Suppressed: java.net.SocketException: Broken pipe (Write failed)
at java.base/java.net.SocketOutputStream.socketWrite0(Native Method)
at java.base/java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:110)
at java.base/java.net.SocketOutputStream.write(SocketOutputStream.java:150)
at java.base/sun.security.ssl.SSLSocketOutputRecord.encodeAlert(SSLSocketOutputRecord.java:81)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:351)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:263)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:405)
... 45 more
Caused by: java.io.EOFException: SSL peer shut down incorrectly
at java.base/sun.security.ssl.SSLSocketInputRecord.decode(SSLSocketInputRecord.java:167)
at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:108)
at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1152)
... 47 more

提取关键信息:

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Caused by: javax.net.ssl.SSLHandshakeException: Remote host terminated the handshake
Caused by: java.io.EOFException: SSL peer shut down incorrectly

得知 SSL 握手失败,于是我找了 Azure 的示例代码(https://docs.azure.cn/zh-cn/mysql/connect-java)来测,也是同样的问题。

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如何定义合法姓名

中文姓名非常多样化,想要真正区别出姓名和非姓名非常困难,但在这篇文章中,作为前提,我们认为合法的中文姓名由 1~10 个中文字符组成。

Javascript

知道了这个前提,容易得出 JS 的正则表达式——

姓名正则
1
/^([\u4e00-\u9fa5]{1,10})$/
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MySQL版本是5.7.25,最近升级了JDBC驱动,5.1.45 -> 8.0.13,导致一个SQL报异常,SQL是用一个子查询,拿到数据后插入到另一张表用的。

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INSERT INTO table_2 (id, title, modified_date)
(SELECT REPLACE(UUID(),'-','') AS id, table_1.title AS title, NOW() AS modified_date
FROM table_1)

可见table_2的id是在子查询中,用REPLACE(UUID(),'-','')生成的。

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ERROR SqlExceptionHelper - Duplicate entry 'ae3867585cc611e986e30e045157562c' for key 'PRIMARY'

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