com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: Too many connections
最简单的办法是因为你的my.ini中设定的并发连接数太少或者系统繁忙导致连接数被占满解决方式：打开MySQL安装目录打开MY.INI找到max_connections默认是100.--实例WINDOWS解决mysql Errno.:1040错误XXXXinfo:CannotconnecttoMySQLserv...
什么是Server Hangup？
通常情况下，客户端和服务器之间的交流会遵循一定的协议模式。如果服务器在客户端的请求处理过程中异常终止或关闭连接，则可能会抛出ServerHangup错误。服务器端无法完成请求处理，导致浏览器无法获得该资源的响应数据，从而在请求返回后会被浏览器连接被关闭，进而抛出ServerHangup错误。...
datax中sqlserver 数据同步到sqlserver
{"job":{"setting":{"speed":{"channel":5}},"content":[{"reader":{"name":"sqlserverreader","parameter":{"username":"xx","password":"xx","where":"","connection":[{...
ORA-28028: could not authenticate remote server
文档解释ORA-28028:couldnotauthenticateremoteserverCause:Duringthecourseofopeningaprivilegeddatabaselink,theremoteserverwasnotsecurelyidentifiedusingthenetworksecuri...
ORA-26940: OCIPOGGCapture API must be executed using a dedicated server process.
文档解释ORA-26940:OCIPOGGCaptureAPImustbeexecutedusingadedicatedserverprocess.Cause:AnattemptwasmadetoexecuteOCIPOGGCaptureAPIusingasharedserverprocess.Action:Repla...
ORA-24392: no connection pool to associate server handle
文档解释ORA-24392:noconnectionpooltoassociateserverhandleCause:OCIServerAttachcalledinOCI_POOLmodebutnoconnectionpoolfoundtoassociatetheserverhandle.Action:1)Verify...
ORA-26859: Server “string” is not an XStream outbound server
文档解释ORA-26859:Server“string”isnotanXStreamoutboundserverCause:AnattemptwasmadetoexecuteaprocedurenotappropriateonanXStreamoutboundserver.Action:Repl...