backends in rotation to avoid issues with very long-lived session connections. 可以利用pgbouncer的server_idle_timeout参数 server_idle_timeout: ;; Close server connectionifits not been usedinthistime. ;; Allows to clean unnecessary connections from pool after peak. ;server_idle_timeout=60 server_...
这就是问题的所在,在连接池中的connections如果空闲超过8小时,mysql将其断开,而连接池自己并不知道该connection已经失效,如果这时有 Client请求connection,连接池将该失效的Connection提供给Client,将会造成上面的异常。 所以配置datasource时需要配置相应的连接池参数,定是去检查连接的有效性,定时清理无效的连接。 解决方法...
原因:之所以会出现这个异常,是因为MySQL5.0以后针对超长时间DB连接做了一个处理,那就是如果一个DB连接在无任何操作情况下过了8个小时后(Mysql 服务器默认的“wait_timeout”是8小时),Mysql会自动把这个连接关闭。这就是问题的所在,在连接池中的connections如果空闲超过8小时,mysql将其断开,而连接池自己并不知道该co...
1、阐述 内部架构:Tomcat应用程序---> nginx ---> 其他Tomcat应用程序,内部Tomcat应用通过nginx调用其他应用。 HTTP插件:HttpClient 4.2.3 关闭连接的代码:httpClient.getConnectionManager().closeIdleConnections(5, TimeUnit.SECONDS);2、说明 要说明 java close_wait ...
这就是问题的所在,在连接池中的connections如果空闲超过8小时,mysql将其断开,而连接池自己并不知道该connection已经失效,如果这时有 Client请求connection,连接池将该失效的Connection提供给Client,将会造成上面的异常。 所以配置datasource时需要配置相应的连接池参数,定是去检查连接的有效性,定时清理无效的连接。
Connecting PostgreSql to C# windows forms Connecting to Remote Server (Linux) from .NET application(C#) to run a UNIX script hosted on linux server Connecting to remote server outlook.office365.com failed with the following error message : Access is denied. Connection refused if I use 127.0.0.1...
How to provide 'on the fly' which postgresql schema i want to use on sqlalchemy queries? #530 Closed vir-mir mentioned this issue Feb 2, 2019 Inner async for loop caused cursor already closed error #535 Closed vir-mir mentioned this issue Mar 23, 2019 resolve issues 535 and 364...
();//evict idle connections poolMXBean.softEvictConnections();if(poolMXBean.getActiveConnections()>0&& retryTimes < MAX_RETRY_TIMES){ logger.warn("Data source {} still has {} active connections, will retry in {} ms.", dataSource, poolMXBean....
Connecting PostgreSql to C# windows forms Connecting to Remote Server (Linux) from .NET application(C#) to run a UNIX script hosted on linux server Connecting to remote server outlook.office365.com failed with the following error message : Access is denied. Connection refused if I use 127.0.0.1...
1、阐述 内部架构:Tomcat应用程序---> nginx ---> 其他Tomcat应用程序,内部Tomcat应用通过nginx调用其他应用。 HTTP插件:HttpClient 4.2.3 关闭连接的代码:httpClient.getConnectionManager().closeIdleConnections(5, TimeUnit.SECONDS);2、说明 要说明 java close_wait ...