Spring data r2dbc R2dbcTimeoutException:连接获取超时

Spring data r2dbc R2dbcTimeoutException:连接获取超时,spring-data-r2dbc,r2dbc,r2dbc-mysql,Spring Data R2dbc,R2dbc,R2dbc Mysql,首先,一切都好。 大约40小时后,我收到了很多错误 org.springframework.dao.DataAccessResourceFailureException: Failed to obtain R2DBC Connection; nested exception is io.r2dbc.spi.R2dbcTimeoutException: Connection Acquisition timed out after 5000ms at org.springframework.

首先,一切都好。 大约40小时后,我收到了很多错误

org.springframework.dao.DataAccessResourceFailureException: Failed to obtain R2DBC Connection; nested exception is io.r2dbc.spi.R2dbcTimeoutException: Connection Acquisition timed out after 5000ms
    at org.springframework.r2dbc.connection.ConnectionFactoryUtils.lambda$getConnection$0(ConnectionFactoryUtils.java:88) ~[spring-r2dbc-5.3.6.jar!/:5.3.6]
    Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):
    |_ checkpoint ⇢ Handler cn.booslink.controller.DeviceController#login(String, String) [DispatcherHandler]
Stack trace:
        at org.springframework.r2dbc.connection.ConnectionFactoryUtils.lambda$getConnection$0(ConnectionFactoryUtils.java:88) ~[spring-r2dbc-5.3.6.jar!/:5.3.6]
        at reactor.core.publisher.Mono.lambda$onErrorMap$31(Mono.java:3488) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:94) ~[reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:106) ~[reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxRetry$RetrySubscriber.onError(FluxRetry.java:94) ~[reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:106) ~[reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.Operators.error(Operators.java:197) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.MonoError.subscribe(MonoError.java:52) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.Mono.subscribe(Mono.java:4150) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:103) ~[reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.handleTimeout(FluxTimeout.java:294) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.doTimeout(FluxTimeout.java:279) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxTimeout$TimeoutTimeoutSubscriber.onNext(FluxTimeout.java:418) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:79) ~[reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.publisher.MonoDelay$MonoDelayRunnable.run(MonoDelay.java:119) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:68) [reactor-core-3.4.5.jar!/:3.4.5]
        at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:28) [reactor-core-3.4.5.jar!/:3.4.5]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_212]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_212]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_212]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_212]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_212]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_212]
Caused by: io.r2dbc.spi.R2dbcTimeoutException: Connection Acquisition timed out after 5000ms
    at io.r2dbc.pool.ConnectionPool.lambda$null$6(ConnectionPool.java:123) ~[r2dbc-pool-0.8.6.RELEASE.jar!/:0.8.6.RELEASE]
    at reactor.core.publisher.Mono.lambda$onErrorMap$30(Mono.java:3474) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.Mono.lambda$onErrorResume$32(Mono.java:3564) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:94) ~[reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.handleTimeout(FluxTimeout.java:294) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.doTimeout(FluxTimeout.java:279) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.FluxTimeout$TimeoutTimeoutSubscriber.onNext(FluxTimeout.java:418) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:79) ~[reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.publisher.MonoDelay$MonoDelayRunnable.run(MonoDelay.java:119) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:68) [reactor-core-3.4.5.jar!/:3.4.5]
    at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:28) [reactor-core-3.4.5.jar!/:3.4.5]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_212]
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_212]
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_212]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_212]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_212]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_212]
Caused by: java.util.concurrent.TimeoutException: Did not observe any item or terminal signal within 5000ms in 'Connection Acquisition from [MariadbConnectionFactory{configuration=MariadbConnectionConfiguration{datbase='xx', host='xx', connectTimeout=PT10S, socketTimeout=null, tcpKeepAlive=false, tcpAbortiveClose=false, password=***********, port=3306, prepareCacheSize=250, socket='null', username='x'xxx', allowMultiQueries=false, allowPipelining=true, connectionAttributes=null, sessionVariables=null, sslConfig=SslConfig{sslMode=DISABLED, serverSslCert='null', clientSslCert='null', tlsProtocol=null}, rsaPublicKey='null', cachingRsaPublicKey='null', allowPublicKeyRetrieval=false, isolationLevel=IsolationLevel{sql='REPEATABLE READ'}, useServerPrepStmts=false, autocommit=true, pamOtherPwd=}}]' (and no fallback has been configured)
    ... 13 common frames omitted
连接池现在似乎无法获取连接。r2dbc池的Bug?还是mysql限制

不容易复制,通常峰值在19:00

需要帮助吗