本地运行不报错，但是线上环境隔一段时间就会包这种错误，但是也不影响使用，一直宝这种错误，看着很不舒服，有哪位遇到同样问题已经解决的提供下方案，谢谢了
驱动：

cn.easyproject
ojdbc7
12.1.0.2.0

druid:

com.alibaba
druid-spring-boot-starter
1.1.16

2019-08-05 09:34:35,229 ERROR [10-205-203-224 http-nio-9000-exec-10] Caller+0 at com.alibaba.druid.util.JdbcUtils.close(JdbcUtils.java:102)
close statement error
java.sql.SQLRecoverableException: Closed Connection
at oracle.jdbc.driver.PhysicalConnection.needLine(PhysicalConnection.java:4220)
at oracle.jdbc.driver.OracleStatement.closeOrCache(OracleStatement.java:1431)
at oracle.jdbc.driver.OracleStatement.close(OracleStatement.java:1410)
at oracle.jdbc.driver.OracleStatementWrapper.close(OracleStatementWrapper.java:102)
at com.alibaba.druid.util.JdbcUtils.close(JdbcUtils.java:100)
at com.alibaba.druid.pool.vendor.OracleValidConnectionChecker.isValidConnection(OracleValidConnectionChecker.java:88)
at com.alibaba.druid.pool.DruidAbstractDataSource.testConnectionInternal(DruidAbstractDataSource.java:1438)
at com.alibaba.druid.pool.DruidDataSource.getConnectionDirect(DruidDataSource.java:1388)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1317)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1307)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:109)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:157)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)
at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:82)
at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:68)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)
at com.sun.proxy.$Proxy212.selectOne(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:58)
at com.sun.proxy.$Proxy213.findUserByMobile(Unknown Source)
at com.uufund.ecapi.auth.serviceImpl.UserAuthServiceImpl.findUserByMobile(UserAuthServiceImpl.java:40)
at com.uufund.ecapi.config.shiro.realm.GetTokenRealm.doGetAuthenticationInfo(GetTokenRealm.java:58)
at org.apache.shiro.realm.AuthenticatingRealm.getAuthenticationInfo(AuthenticatingRealm.java:571)
at com.uufund.ecapi.config.shiro.realm.UserModularRealmAuthenticator.doMultiRealmAuthentication(UserModularRealmAuthenticator.java:69)
at com.uufund.ecapi.config.shiro.realm.UserModularRealmAuthenticator.doAuthenticate(UserModularRealmAuthenticator.java:43)
at org.apache.shiro.authc.AbstractAuthenticator.authenticate(AbstractAuthenticator.java:198)
at org.apache.shiro.mgt.AuthenticatingSecurityManager.authenticate(AuthenticatingSecurityManager.java:106)
at org.apache.shiro.mgt.DefaultSecurityManager.login(DefaultSecurityManager.java:275)
at org.apache.shiro.subject.support.DelegatingSubject.login(DelegatingSubject.java:260)
at com.uufund.ecapi.auth.action.UserAuthAction.getToken(UserAuthAction.java:160)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)