有关于项目中数据库连接报错的问题

在生产环境中，程序会去请求第三方 http 接口，但第三方接口会经常失败，会有重试，重试失败或者成功都会在数据库记录。但最近出现问题的情况是，第三接口失败了，导致系统内部数据库连接也出现问题，修改记录也相继失败了。不懂为什么调用第三方接口影响到内部数据库连接的问题。

java.net.SocketTimeoutException: Read timed out

at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
at sun.security.ssl.InputRecord.read(InputRecord.java:503)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:975)
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:933)
at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:735)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1587)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
     //此处连接第三方 api
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

rqxiao

2020-06-17 14:47:53 +08:00

2020-06-17 08:24:09.193 ERROR 1037 --- [schedule-pool-4] c.a.druid.pool.DruidPooledStatement : CommunicationsException, druid version 1.1.14, jdbcUrl : jdbc:mysql://db?useunicode=true&characterEncoding=utf8, testWhileIdle true, idle millis 93785, minIdle 10, poolingCount 1, timeBetweenEvictionRunsMillis 60000, lastValidIdleMillis 93785, driver com.mysql.jdbc.Driver, exceptionSorter com.alibaba.druid.pool.vendor.MySqlExceptionSorter
2020-06-17 08:24:09.195 ERROR 1037 --- [schedule-pool-4] com.alibaba.druid.pool.DruidDataSource : discard connection

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 90,348 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
at sun.reflect.GeneratedConstructorAccessor236.newInstance(Unknown Source) ~[na:na]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_211]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_211]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3462) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3905) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2495) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1903) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1242) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3409) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_execute(FilterEventAdapter.java:440) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3407) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.execute(PreparedStatementProxyImpl.java:167) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:497) ~[druid-1.1.14.jar!/:1.1.14]
at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64) [mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) [mybatis-3.5.1.jar!/:3.5.1]
at sun.reflect.GeneratedMethodAccessor121.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_211]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_211]
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) [mybatis-3.5.1.jar!/:3.5.1]
at com.sun.proxy.$Proxy228.query(Unknown Source) [na:na]
at com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.doQuery(MybatisSimpleExecutor.java:67) [mybatis-plus-core-3.1.1.jar!/:3.1.1]
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) [mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) [mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) [mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) [mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147) [mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) [mybatis-3.5.1.jar!/:3.5.1]
at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_211]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_211]
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) [mybatis-spring-2.0.1.jar!/:2.0.1]
at com.sun.proxy.$Proxy87.selectList(Unknown Source) [na:na]
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) [mybatis-spring-2.0.1.jar!/:2.0.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.executeForMany(MybatisMapperMethod.java:158) [mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:76) [mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:62) [mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.sun.proxy.$Proxy121.selectList(Unknown Source) [na:na]
at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.list(ServiceImpl.java:276) [mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.extension.service.IService.list(IService.java:247) [mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.extension.service.IService$$FastClassBySpringCGLIB$$f8525d18.invoke(<generated>) [mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684) [spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746) [spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) [spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) [spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_211]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_211]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) ~[na:1.8.0_211]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) ~[na:1.8.0_211]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_211]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_211]
at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_211]
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.jdbc.MysqlIO.readFully(MysqlIO.java:3014) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3472) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
... 60 common frames omitted

rqxiao

2020-06-17 14:48:55 +08:00

### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 87,000 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
### The error may exist in */mapper/***Mapper.java (best guess)
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: SELECT id,code,type,create_dt FROM table
### Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 87,000 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
; Communications link failure

The last packet successfully received from the server was 87,000 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 87,000 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
2020-06-17 09:48:09.249 ERROR 1037 --- [chedule-pool-10] c.c.rosebeautyapp.common.util.Threads :
### Error updating database. Cause: java.sql.SQLException: connection disabled
### The error may exist in */mapper/***Mapper.java (best guess)
### The error may involve **Mapper.updateById
### The error occurred while executing an update
### SQL: UPDATE table SET user_id=?,mobile=?, create_dt=?, update_dt=?, uptime=?, upload=?, up_load=?, status=?, order_id=? WHERE id=?
### Cause: java.sql.SQLException: connection disabled
; uncategorized SQLException; SQL state [null]; error code [0]; connection disabled; nested exception is java.sql.SQLException: connection disabled

org.springframework.jdbc.UncategorizedSQLException:
### Error updating database. Cause: java.sql.SQLException: connection disabled
### The error may exist in ****Mapper.java (best guess)
### The error may involve ****Mapper.updateById
### The error occurred while executing an update
### SQL: UPDATE table SET user_id=?,mobile=?, create_dt=?, update_dt=?, uptime=?, upload=?, up_load=?, status=?, order_id=? WHERE id=?
### Cause: java.sql.SQLException: connection disabled
; uncategorized SQLException; SQL state [null]; error code [0]; connection disabled; nested exception is java.sql.SQLException: connection disabled
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:89) ~[spring-jdbc-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) ~[spring-jdbc-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) ~[spring-jdbc-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) ~[mybatis-spring-2.0.1.jar!/:2.0.1]
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) ~[mybatis-spring-2.0.1.jar!/:2.0.1]
at com.sun.proxy.$Proxy87.update(Unknown Source) ~[na:na]
at org.mybatis.spring.SqlSessionTemplate.update(SqlSessionTemplate.java:294) ~[mybatis-spring-2.0.1.jar!/:2.0.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:63) ~[mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:62) ~[mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.sun.proxy.$Proxy104.updateById(Unknown Source) ~[na:na]
at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.updateById(ServiceImpl.java:212) ~[mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl$$FastClassBySpringCGLIB$$76535273.invoke(<generated>) ~[mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684) ~[spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746) ~[spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) ~[spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at ************************ServiceImpl$$EnhancerBySpringCGLIB$$3b23cf0a.recordSheet(<generated>) ~[**-manage-service-1.0-SNAPSHOT.jar!/:1.0-SNAPSHOT]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_211]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_211]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) ~[na:1.8.0_211]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) ~[na:1.8.0_211]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_211]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_211]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_211]
Caused by: java.sql.SQLException: connection disabled

rqxiao

2020-06-17 14:49:21 +08:00

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 87,000 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
at sun.reflect.GeneratedConstructorAccessor236.newInstance(Unknown Source) ~[na:na]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_211]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_211]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3462) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3905) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2495) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1903) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1242) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3409) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_execute(FilterEventAdapter.java:440) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3407) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.execute(PreparedStatementProxyImpl.java:167) ~[druid-1.1.14.jar!/:1.1.14]
at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:497) ~[druid-1.1.14.jar!/:1.1.14]
at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64) ~[mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) ~[mybatis-3.5.1.jar!/:3.5.1]
at sun.reflect.GeneratedMethodAccessor121.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_211]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_211]
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.5.1.jar!/:3.5.1]
at com.sun.proxy.$Proxy228.query(Unknown Source) ~[na:na]
at com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.doQuery(MybatisSimpleExecutor.java:67) ~[mybatis-plus-core-3.1.1.jar!/:3.1.1]
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) ~[mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) ~[mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) ~[mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) ~[mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147) ~[mybatis-3.5.1.jar!/:3.5.1]
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) ~[mybatis-3.5.1.jar!/:3.5.1]
at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_211]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_211]
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-2.0.1.jar!/:2.0.1]
at com.sun.proxy.$Proxy87.selectList(Unknown Source) ~[na:na]
at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) ~[mybatis-spring-2.0.1.jar!/:2.0.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.executeForMany(MybatisMapperMethod.java:158) ~[mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:76) ~[mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:62) ~[mybatis-plus-core-3.1.1.jar!/:3.1.1]
at com.sun.proxy.$Proxy121.selectList(Unknown Source) ~[na:na]
at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.list(ServiceImpl.java:276) ~[mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.extension.service.IService.list(IService.java:247) ~[mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at com.baomidou.mybatisplus.extension.service.IService$$FastClassBySpringCGLIB$$f8525d18.invoke(<generated>) ~[mybatis-plus-extension-3.1.1.jar!/:3.1.1]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684) ~[spring-aop-5.0.12.RELEASE.jar!/:5.0.12.RELEASE]
... 17 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.jdbc.MysqlIO.readFully(MysqlIO.java:3014) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3472) ~[mysql-connector-java-5.1.47.jar!/:5.1.47]
... 60 common frames omitted