Portg
commented
7 years ago 设置jdbc:mysql://127.0.0.1:3306/dbname?characterEncoding=utf8&autoReconnect=true&failOverReadOnly=false也会报同样的错误。下面配置信息
<!-- JDBC连接池 https://github.com/alibaba/druid/wiki/配置_DruidDataSource参考配置 -->
<bean id="druidDataSource" abstract="true" class="com.alibaba.druid.pool.DruidDataSource" init-method="init"
destroy-method="close">
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="${jdbc_initial_size}" />
<property name="minIdle" value="${jdbc_min_idle}" />
<property name="maxActive" value="${jdbc_max_active}" />
<!-- 由外部事务管理器处理提交 -->
<property name="defaultAutoCommit" value="false" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="validationQuery" value="SELECT 'x'" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="true" />
<property name="testOnReturn" value="true" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
<property name="poolPreparedStatements" value="false" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置监控统计拦截的filters，去掉后监控界面sql无法统计 -->
<property name="proxyFilters">
<list>
<ref bean="stat-filter" />
<ref bean="log-filter" />
</list>
</property>
</bean>
xiaoxiecomeon
Przeblysk
@wenshao 版本1.0.26出现大量链接超时的问题，是需要在url设置autoReconnect=true&failOverReadOnly=false吗？
2016-11-28 11:22:50.568 [http-nio-8080-exec-1] ERROR druid.sql.Statement [Log4jFilter.java] {conn-210001, stmt-220001} execute error. SELECT 'x' com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 5,957,572 milliseconds ago. The last packet sent successfully to the server was 10 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1129) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3720) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3609) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4160) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2617) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2819) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2768) at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1651) at com.alibaba.druid.filter.FilterChainImpl.statement_executeQuery(FilterChainImpl.java:2363) at com.alibaba.druid.filter.FilterAdapter.statement_executeQuery(FilterAdapter.java:2481) at com.alibaba.druid.filter.FilterEventAdapter.statement_executeQuery(FilterEventAdapter.java:302) at com.alibaba.druid.filter.FilterChainImpl.statement_executeQuery(FilterChainImpl.java:2360) at com.alibaba.druid.filter.FilterAdapter.statement_executeQuery(FilterAdapter.java:2481) at com.alibaba.druid.filter.FilterEventAdapter.statement_executeQuery(FilterEventAdapter.java:302) at com.alibaba.druid.filter.FilterChainImpl.statement_executeQuery(FilterChainImpl.java:2360) at com.alibaba.druid.proxy.jdbc.StatementProxyImpl.executeQuery(StatementProxyImpl.java:211) at com.alibaba.druid.pool.ValidConnectionCheckerAdapter.isValidConnection(ValidConnectionCheckerAdapter.java:44) at com.alibaba.druid.pool.DruidAbstractDataSource.testConnectionInternal(DruidAbstractDataSource.java:1298) at com.alibaba.druid.pool.DruidDataSource.getConnectionDirect(DruidDataSource.java:1054) at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:4544) at com.alibaba.druid.filter.logging.LogFilter.dataSource_getConnection(LogFilter.java:831) at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:4540) at com.alibaba.druid.filter.stat.StatFilter.dataSource_getConnection(StatFilter.java:662) at com.alibaba.druid.filter.FilterChainImpl.dataSource_connect(FilterChainImpl.java:4540) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:992) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:984) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:103) at com.bluemobi.core.dao.router.AnnotationRoutingDataSource.getConnection(AnnotationRoutingDataSource.java:99) at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139) at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:380) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:228) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:171) at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67) at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:162) at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1435) at org.hibernate.jpa.internal.TransactionImpl.begin(TransactionImpl.java:61) at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:166) at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:380) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:463) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:276) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) at org.ebb.integral.facade.impl.IntegralRecordResetServiceImpl$$EnhancerBySpringCGLIB$$6cf4500a.findExpenseDetailsByPage()
at com.alibaba.dubbo.common.bytecode.Wrapper0.invokeMethod(Wrapper0.java)
at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)
at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)
at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)
at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:70)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:132)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:52)
at com.alibaba.dubbo.common.bytecode.proxy0.findExpenseDetailsByPage(proxy0.java)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:288)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:242)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:229)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at com.alibaba.dubbo.rpc.protocol.rest.DubboHttpServer$RestHandler.handle(DubboHttpServer.java:86)
at com.alibaba.dubbo.remoting.http.servlet.DispatcherServlet.service(DispatcherServlet.java:64)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:509)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1104)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
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:3166)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3620)