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...
ORA-48149: error encountered when attempting to copy a file
文档解释ORA-48149:errorencounteredwhenattemptingtocopyafileCause:TherewasanerrorencounteredwhenattemptingtocopyafilewiththeADRfileinterface.Action:Checkthedirectory...
ORA-27503: IPC error attempting to cancel request
文档解释ORA-27503:IPCerrorattemptingtocancelrequestCause:Thisisanoperatingsystem/clusterinterconnecterror.Action:CheckthevalueoferrnoandcontactOracleSupportServices...
ORA-25100: TABLESPACE option can only be used with ALTER INDEX REBUILD
文档解释ORA-25100:TABLESPACEoptioncanonlybeusedwithALTERINDEXREBUILDCause:TheTABLESPACEoptiontoALTERINDEXwasusedwithouttheREBUILDoption.Action:UseALTERINDEXREBUILDT...
ORA-47402: incorrect evaluation options value for Factor string
文档解释ORA-47402:incorrectevaluationoptionsvalueforFactorstringCause:ThefactorevaluationsoptionsvalueisincorrectAction:Pleasereviewthefactordefinitionandcorrectita...
ORA-48117: error encountered when attempting to remove a directory [string]
文档解释ORA-48117:errorencounteredwhenattemptingtoremoveadirectory[string]Cause:Therewasanerrorencounteredwhenattemptingtoremoveadirectory.Action:Checkthedirectoryn...
ORA-25146: EXTENT MANAGEMENT option already specified
文档解释ORA-25146:EXTENTMANAGEMENToptionalreadyspecifiedCause:InCREATETABLESPACE,theEXTENTMANAGEMENToptionwasspecifiedmorethanonce.Action:RemoveallbutoneoftheEXTENT...