err connection closed

Exception Information Org. hibernate. exception. jdbcconnectionexception: cocould not execute queryat Org. hibernate. exception. sqlstateconverter. convert (sqlstateconverter. java: 74) at Org. hibernate. exception. jdbcexceptionhelper. convert (jdbcexceptionhelper. java: 43 )....... caused by: COM. mySQL. JDBC. exceptions. mysqlnontransientconnectionexception: No operations allowed after Connection closed

The basic connection has been closed and the connection is accidentally closed. I met it again. In this scenario, a field in the database table indicates the product, but the type of the product is different, that is, the attributes are different. For ease of management, this field is used. The clob type is used to sav

comStart monitoring again normally:[[email protected] ~]$ lsnrctl Startlsnrctl forLinux:version11.2.0.1.0 -Production on Geneva-APR- - ,:Panax Notoginseng: -Copyright (c)1991, the, Oracle. Allrights reserved. Starting/U01/App/Oracle/Product/11.2.0.1/Db_1/Bin/tnslsnr:please Wait ... Tnslsnr forLinux:version11.2.0.1.0 -Productionsystem parameterfile is /U01/App/Oracle/Product/11.2.0.1/Db_1/Network/Admin/Listener.oraLogMessages written to /U01/App/Oracle/Diag/Tnslsnr/Rusky-oracle11g/Listener/Al

Recently, a new set of Java encapsulation classes emerged during the runtime. SQL. sqlexception: result set already closed "error. It has a high probability of occurrence, but it is random. After commenting out the close code of resultset, the problem persists. The connection code is as follows: Javax. Naming. Context initctx = new javax. Naming. initialcontext ();Javax. SQL. datasource DS = (javax. SQL. d

In general, the database connection pool is configured in Tomcat, and we constantly establish database connections. This is the case if the database connection is not closed.Common: cannot get a connection, pool exhaustedcannot get a connection, poolExhausted. In fact, this is because the connections in the

Tags: NIS requires nec WAN yml version www SCL c3p0Error:com.mysql.cj.core.exceptions.ConnectionIsClosedException: No operations allowed after connection closed. Adding autoReconnect=true does not help, this option appears to be valid only for versions prior to MySQL 5.ReasonMySQL server default "Wait_timeout" is 8 hours, which means that a connection idle for mo

Exception details: system. invalidoperationexception: executereader requires an enabled and available connection. The current status of the connection is closed. Source error: Line 232: mycommand. commandtype = commandtype. text;Line 233: sqldatareader DR = NULL;Row 234: DR = mycommand. executereader (commandbehavior. closeconnection );//???????????????????????Ro

Vcenter version 5.5Vcenter installed in server R2 above, today patch a dozen, after reboot can not connect vcenter, initially thought is patch problem caused vcenter work is not normal, uninstall patch still can't connect normally.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/56/BE/wKioL1SMN_SiScIfAADTjfUmj8Q687.jpg "title=" 2.png " alt= "Wkiol1smn_siscifaadtjfumj8q687.jpg"/>Unknown connection error, (the client cannot send the full reque

C # using OLE DB to manipulate accessProvider=Microsoft.Jet.OLEDB.4.0;Data source= "+ NewFileName +"; User Id=uid; Jet oledb:database password=pwd; ";Complete error message:{System.InvalidOperationException:ExecuteScalar requires a Connection that is already open and available. The current state of the connection is closed.In System.Data.OleDb.OleDbConnection.CheckStateOpen (String method)In System.Data.Ole

When using Xshell to connect a server in a virtual machine, the following error is reported and disconnected, before the connection is quite stable, and suddenly it is.Last Login:thuTen +: -: - . from 192.168.1.102[[Email protected]~]# Socket error Event: +Error:10053. Connection closing ... Socket Close. Connection closed