网上说是数据库连接的问题，是在不知道怎么解决，求大佬帮忙看一下。

luozuyi commented 3 years ago

ERROR[0;39m [35m8[0;39m [2m[ http-nio-8034-exec-9][0;39m [36mc.a.druid.pool.DruidPooledStatement [0;39m 357 [2m:[0;39m CommunicationsException, druid version 1.1.10, jdbcUrl : jdbc:mysql://10.200.16.111:3306/work?serverTimezone=Asia/Shanghai&characterEncoding=utf8&useSSL=false&nullCatalogMeansCurrent=true&zeroDateTimeBehavior=convertToNull&socketTimeout=15000, testWhileIdle true, idle millis 15030, minIdle 10, poolingCount 9, timeBetweenEvictionRunsMillis 30000000, lastValidIdleMillis 15030, driver com.mysql.cj.jdbc.Driver, exceptionSorter com.alibaba.druid.pool.vendor.MySqlExceptionSorter -199[2m2021-03-16 09:47:31.402[0;39m [31m-ERROR[0;39m [35m8[0;39m [2m[ http-nio-8034-exec-9][0;39m [36mcom.alibaba.druid.pool.DruidDataSource [0;39m 1602 [2m:[0;39m discard connection -198 -197com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure -196 -195The last packet successfully received from the server was 15,021 milliseconds ago. The last packet sent successfully to the server was 15,023 milliseconds ago. -194 at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -193 at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -192 at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -191 at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -190 at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3188) ~[druid-1.1.10.jar!/:1.1.10] -189 at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465) ~[druid-1.1.10.jar!/:1.1.10] -188 at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185) ~[druid-1.1.10.jar!/:1.1.10] -187 at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.executeQuery(PreparedStatementProxyImpl.java:181) ~[druid-1.1.10.jar!/:1.1.10] -186 at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:228) ~[druid-1.1.10.jar!/:1.1.10] -185 at sun.reflect.GeneratedMethodAccessor913.invoke(Unknown Source) ~[na:na] -184 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_111] -183 at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_111] -182 at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:56) [mybatis-3.5.2.jar!/:3.5.2] -181 at com.sun.proxy.$Proxy205.executeQuery(Unknown Source) [na:na] -180 at com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor.queryTotal(PaginationInterceptor.java:233) [mybatis-plus-extension-3.2.0.jar!/:3.2.0] -179 at com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor.intercept(PaginationInterceptor.java:202) [mybatis-plus-extension-3.2.0.jar!/:3.2.0] -178 at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) [mybatis-3.5.2.jar!/:3.5.2] -177 at com.sun.proxy.$Proxy203.prepare(Unknown Source) [na:na] -176 at com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.prepareStatement(MybatisSimpleExecutor.java:94) [mybatis-plus-core-3.2.0.jar!/:3.2.0] -175 at com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.doQuery(MybatisSimpleExecutor.java:66) [mybatis-plus-core-3.2.0.jar!/:3.2.0] -174 at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) [mybatis-3.5.2.jar!/:3.5.2] -173 at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) [mybatis-3.5.2.jar!/:3.5.2] -172 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) [mybatis-3.5.2.jar!/:3.5.2] -171 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) [mybatis-3.5.2.jar!/:3.5.2] -170 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147) [mybatis-3.5.2.jar!/:3.5.2] -169 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) [mybatis-3.5.2.jar!/:3.5.2] -168 at sun.reflect.GeneratedMethodAccessor475.invoke(Unknown Source) ~[na:na] -167 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_111] -166 at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_111] -165 at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426) [mybatis-spring-2.0.2.jar!/:2.0.2] -164 at com.sun.proxy.$Proxy95.selectList(Unknown Source) [na:na] -163 at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:223) [mybatis-spring-2.0.2.jar!/:2.0.2] -162 at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.executeForIPage(MybatisMapperMethod.java:115) [mybatis-plus-core-3.2.0.jar!/:3.2.0] -161 at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:86) [mybatis-plus-core-3.2.0.jar!/:3.2.0] -160 at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:61) [mybatis-plus-core-3.2.0.jar!/:3.2.0] -159 at com.sun.proxy.$Proxy101.selectPage(Unknown Source) [na:na] -158 at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.page(ServiceImpl.java:276) [mybatis-plus-extension-3.2.0.jar!/:3.2.0] -157 at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl$$FastClassBySpringCGLIB$$76535273.invoke() [mybatis-plus-extension-3.2.0.jar!/:3.2.0] -156 at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -155 at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687) [spring-aop-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -154 at com.whwater.server.order.service.impl.WorkSheetServiceImpl$$EnhancerBySpringCGLIB$$72287cfe.page() [classes!/:1.0] -153 at com.whwater.server.order.controller.api.WorkSheetApiController.cscList(WorkSheetApiController.java:332) [classes!/:1.0] -152 at sun.reflect.GeneratedMethodAccessor1526.invoke(Unknown Source) ~[na:na] -151 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_111] -150 at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_111] -149 at org.apache.servicecomb.core.handler.impl.ProducerOperationHandler.doInvoke(ProducerOperationHandler.java:121) [java-chassis-core-2.1.5.jar!/:2.1.5] -148 at org.apache.servicecomb.core.handler.impl.ProducerOperationHandler.syncInvoke(ProducerOperationHandler.java:106) [java-chassis-core-2.1.5.jar!/:2.1.5] -147 at org.apache.servicecomb.core.handler.impl.ProducerOperationHandler.invoke(ProducerOperationHandler.java:60) [java-chassis-core-2.1.5.jar!/:2.1.5] -146 at org.apache.servicecomb.core.handler.impl.ProducerOperationHandler.handle(ProducerOperationHandler.java:51) [java-chassis-core-2.1.5.jar!/:2.1.5] -145 at org.apache.servicecomb.core.Invocation.next(Invocation.java:307) [java-chassis-core-2.1.5.jar!/:2.1.5] -144 at org.apache.servicecomb.bizkeeper.BizkeeperCommand.lambda$construct$2(BizkeeperCommand.java:79) [handler-bizkeeper-2.1.5.jar!/:2.1.5] -143 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) ~[rxjava-1.3.8.jar!/:1.3.8] -142 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -141 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) ~[rxjava-1.3.8.jar!/:1.3.8] -140 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -139 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -138 at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) ~[rxjava-1.3.8.jar!/:1.3.8] -137 at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) ~[rxjava-1.3.8.jar!/:1.3.8] -136 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -135 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -134 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -133 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -132 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -131 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -130 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) ~[rxjava-1.3.8.jar!/:1.3.8] -129 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -128 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -127 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -126 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -125 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -124 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -123 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -122 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -121 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -120 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -119 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) ~[rxjava-1.3.8.jar!/:1.3.8] -118 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -117 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -116 at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) ~[rxjava-1.3.8.jar!/:1.3.8] -115 at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) ~[rxjava-1.3.8.jar!/:1.3.8] -114 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -113 at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48) ~[rxjava-1.3.8.jar!/:1.3.8] -112 at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33) ~[rxjava-1.3.8.jar!/:1.3.8] -111 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -110 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -109 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -108 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) ~[rxjava-1.3.8.jar!/:1.3.8] -107 at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -106 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -105 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41) ~[rxjava-1.3.8.jar!/:1.3.8] -104 at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30) ~[rxjava-1.3.8.jar!/:1.3.8] -103 at rx.Observable.unsafeSubscribe(Observable.java:10327) ~[rxjava-1.3.8.jar!/:1.3.8] -102 at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51) ~[rxjava-1.3.8.jar!/:1.3.8] -101 at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35) ~[rxjava-1.3.8.jar!/:1.3.8] -100 at rx.Observable.subscribe(Observable.java:10423) ~[rxjava-1.3.8.jar!/:1.3.8] -99 at rx.Observable.subscribe(Observable.java:10390) ~[rxjava-1.3.8.jar!/:1.3.8] -98 at rx.Observable.subscribe(Observable.java:10271) ~[rxjava-1.3.8.jar!/:1.3.8] -97 at org.apache.servicecomb.bizkeeper.BizkeeperHandler.handle(BizkeeperHandler.java:78) ~[handler-bizkeeper-2.1.5.jar!/:2.1.5] -96 at org.apache.servicecomb.core.Invocation.next(Invocation.java:307) [java-chassis-core-2.1.5.jar!/:2.1.5] -95 at org.apache.servicecomb.qps.ProviderQpsFlowControlHandler.handle(ProviderQpsFlowControlHandler.java:35) ~[handler-flowcontrol-qps-2.1.5.jar!/:2.1.5] -94 at org.apache.servicecomb.core.Invocation.next(Invocation.java:307) [java-chassis-core-2.1.5.jar!/:2.1.5] -93 at org.apache.servicecomb.common.rest.AbstractRestInvocation.doInvoke(AbstractRestInvocation.java:245) ~[common-rest-2.1.5.jar!/:2.1.5] -92 at org.apache.servicecomb.common.rest.AbstractRestInvocation.invoke(AbstractRestInvocation.java:219) ~[common-rest-2.1.5.jar!/:2.1.5] -91 at org.apache.servicecomb.common.rest.AbstractRestInvocation.runOnExecutor(AbstractRestInvocation.java:203) ~[common-rest-2.1.5.jar!/:2.1.5] -90 at org.apache.servicecomb.common.rest.AbstractRestInvocation.lambda$scheduleInvocation$0(AbstractRestInvocation.java:162) ~[common-rest-2.1.5.jar!/:2.1.5] -89 at org.apache.servicecomb.core.executor.ReactiveExecutor.execute(ReactiveExecutor.java:30) ~[java-chassis-core-2.1.5.jar!/:2.1.5] -88 at org.apache.servicecomb.common.rest.AbstractRestInvocation.scheduleInvocation(AbstractRestInvocation.java:147) ~[common-rest-2.1.5.jar!/:2.1.5] -87 at org.apache.servicecomb.common.rest.RestProducerInvocation.invoke(RestProducerInvocation.java:52) ~[common-rest-2.1.5.jar!/:2.1.5] -86 at org.apache.servicecomb.transport.rest.servlet.ServletRestDispatcher.service(ServletRestDispatcher.java:72) ~[transport-rest-servlet-2.1.5.jar!/:2.1.5] -85 at org.apache.servicecomb.transport.rest.servlet.RestServlet.service(RestServlet.java:47) ~[transport-rest-servlet-2.1.5.jar!/:2.1.5] -84 at javax.servlet.http.HttpServlet.service(HttpServlet.java:584) ~[jakarta.servlet-api-4.0.4.jar!/:4.0.4] -83 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -82 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -81 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.38.jar!/:9.0.38] -80 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -79 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -78 at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -77 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -76 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -75 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -74 at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123) ~[druid-1.1.10.jar!/:1.1.10] -73 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -72 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -71 at com.whwater.server.order.config.CharsetFilter.doFilter(CharsetFilter.java:29) ~[classes!/:1.0] -70 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -69 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -68 at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -67 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -66 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -65 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -64 at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -63 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -62 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -61 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -60 at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -59 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.9.RELEASE.jar!/:5.2.9.RELEASE] -58 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -57 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -56 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -55 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -54 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -53 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -52 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -51 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -50 at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:747) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -49 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -48 at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -47 at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -46 at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -45 at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -44 at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -43 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_111] -42 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_111] -41 at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.38.jar!/:9.0.38] -40 at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_111] -39Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure -38 -37The last packet successfully received from the server was 15,021 milliseconds ago. The last packet sent successfully to the server was 15,023 milliseconds ago. -36 at sun.reflect.GeneratedConstructorAccessor150.newInstance(Unknown Source) ~[na:na] -35 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_111] -34 at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_111] -33 at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -32 at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -31 at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -30 at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -29 at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:538) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -28 at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:702) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -27 at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:641) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -26 at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:940) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -25 at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1075) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -24 at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:930) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -23 ... 152 common frames omitted -22Caused by: java.net.SocketTimeoutException: Read timed out -21 at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_111] -20 at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) ~[na:1.8.0_111] -19 at java.net.SocketInputStream.read(SocketInputStream.java:170) ~[na:1.8.0_111] -18 at java.net.SocketInputStream.read(SocketInputStream.java:141) ~[na:1.8.0_111] -17 at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -16 at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -15 at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -14 at java.io.FilterInputStream.read(FilterInputStream.java:133) ~[na:1.8.0_111] -13 at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -12 at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -11 at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -10 at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -9 at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -8 at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -7 at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -6 at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:532) ~[mysql-connector-java-8.0.21.jar!/:8.0.21] -5 ... 157 common frames omitted

luozuyi commented 3 years ago

test1