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发表于 2023-3-20 17:07:29
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2023-03-19 15:28:15.746 [ApplicationServerQueuedThreadPool-79] ERROR com.alibaba.druid.pool.DruidPooledStatement - CommunicationsException, druid version 1.2.14, jdbcUrl : jdbc:mysql://127.0.0.1:3306/x?autoReconnect=true&useSSL=false&useUnicode=true&characterEncoding=UTF-8&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8, testWhileIdle true, idle millis 10007, minIdle 0, poolingCount 3, timeBetweenEvictionRunsMillis 60000, lastValidIdleMillis 10007, driver com.mysql.jdbc.Driver, exceptionSorter com.alibaba.druid.pool.vendor.MySqlExceptionSorter
2023-03-19 15:28:19.401 [ApplicationServerQueuedThreadPool-79] ERROR com.alibaba.druid.pool.DruidDataSource - {conn-10003} discard
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
在自建表维护工具里 打开一个超过60万条数据的表 就报这个错误 7.2.7没有问题。
The last packet successfully received from the server was 10,001 milliseconds ago. The last packet sent successfully to the server was 10,001 milliseconds ago.
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3559) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3459) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3900) ~[mysql-connector-java-5.1.43.jar:5.1.43] |
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