【 TiDB 使用环境】生产环境
【 TiDB 版本】6.3.0
【复现路径】做过哪些操作出现的问题
没有动，突然遇到的
【遇到的问题：问题现象及影响】
这个是客户端连接时候报的错误
这个是java程序报的错误
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 60000, active 0, maxActive 20, creating 0, createErrorCount 272
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:427)
... 51 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 60000, active 0, maxActive 20, creating 0, createErrorCount 272
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor.intercept(MybatisPlusInterceptor.java:81)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:62)
at jdk.proxy2/jdk.proxy2.$Proxy385.query(Unknown Source)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)
... 58 common frames omitted
Caused by: com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 60000, active 0, maxActive 20, creating 0, createErrorCount 272
at com.alibaba.druid.pool.DruidDataSource.getConnectionInternal(DruidDataSource.java:1775)
at com.alibaba.druid.pool.DruidDataSource.getConnectionDirect(DruidDataSource.java:1429)
at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:5059)
at com.alibaba.druid.filter.FilterAdapter.dataSource_getConnection(FilterAdapter.java:2756)
at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:5055)
at com.alibaba.druid.filter.stat.StatFilter.dataSource_getConnection(StatFilter.java:726)
at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:5055)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1407)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1399)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:100)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 69 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787)
at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38)
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:251)
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1669)
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1733)
at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2840)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at jdk.internal.reflect.GeneratedConstructorAccessor85.newInstance(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:544)
at com.mysql.cj.protocol.a.NativeProtocol.readServerCapabilities(NativeProtocol.java:496)
at com.mysql.cj.protocol.a.NativeProtocol.beforeHandshake(NativeProtocol.java:383)
at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1346)
at com.mysql.cj.NativeSession.connect(NativeSession.java:157)
at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)
... 12 common frames omitted
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:538)
... 18 common frames omitted
【资源配置】
【附件：截图/日志/监控】
这个是错误的日志数据
[2023/01/10 08:44:39.402 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: loopyWriter.run returning. Err: transport: Connection closing"] [system=grpc] [grpc_log=true]
[2023/01/10 08:45:39.401 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: Got too many pings from the client, closing the connection."] [system=grpc] [grpc_log=true]
[2023/01/10 08:45:39.401 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: loopyWriter.run returning. Err: transport: Connection closing"] [system=grpc] [grpc_log=true]
[2023/01/10 08:46:49.400 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: Got too many pings from the client, closing the connection."] [system=grpc] [grpc_log=true]
[2023/01/10 08:46:49.401 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: loopyWriter.run returning. Err: transport: Connection closing"] [system=grpc] [grpc_log=true]
[2023/01/10 08:47:39.401 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: Got too many pings from the client, closing the connection."] [system=grpc] [grpc_log=true]
[2023/01/10 08:47:39.402 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: loopyWriter.run returning. Err: transport: Connection closing"] [system=grpc] [grpc_log=true]
[2023/01/10 08:48:39.405 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: Got too many pings from the client, closing the connection."] [system=grpc] [grpc_log=true]
[2023/01/10 08:48:39.410 +08:00] [Error] [grpclogger.go:116] ["[transport]transport: loopyWriter.run returning. Err: transport: Connection closing"] [system=grpc] [grpc_log=true]
这是服务器
