这个链接终端原因是什么？

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3092844924 剑圣 2021-07-02 12:05

一、该问题的重现步骤是什么？

二、你期待的结果是什么？实际看到的又是什么？

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

四、请提供详细的错误堆栈信息，这很重要。

2021-07-02 11:40:22.212 WARN 6840 --- [et-expired-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 146088

2021-07-02 11:40:22.273 WARN 6840 --- [et-expired-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 321754

2021-07-02 11:43:23.578 WARN 6840 --- [et-expired-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 180926

2021-07-02 11:48:24.622 WARN 6840 --- [uire-timer-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 95827

2021-07-02 11:51:26.090 WARN 6840 --- [et-expired-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 181049

2021-07-02 11:57:27.702 WARN 6840 --- [et-expired-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 61009

2021-07-02 11:59:28.521 WARN 6840 --- [et-expired-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 120374

2021-07-02 12:01:19.378 WARN 6840 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 110616

2021-07-02 12:02:51.648 WARN 6840 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource : discard long time none received connection. , jdbcUrl : jdbc:mysql://122.9.34.174:3306/bladex_boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true, version : 1.2.4, lastPacketReceivedIdleMillis : 61231

五、若有更多详细信息，请在下面提供。

这个日志代表系统回收了超时的链接，只是一个提示，不会对系统有任何影响。druid最新几个版本加上了这个日志，可以无视。

当然也可以尝试升级最新版，druid的一些最新版会修复这个功能。