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-55366: unknown namespace prefix “string”
文档解释ORA-55366:unknownnamespaceprefix“string”Cause:AnattemptwasmadetomakeuseofanundefinednamespaceprefixinOracleVirtualPrivateDatabase(VPD)metadata.A...
ORA-25315: unsupported configuration for propagation of buffered messages
文档解释ORA-25315:unsupportedconfigurationforpropagationofbufferedmessagesCause:Anattemptwasmadetopropagatebufferedmessageswiththedatabaselinkpointingtoaninstancein...
ORA-25228: timeout or end-of-fetch during message dequeue from string.string
文档解释ORA-25228:timeoutorend-of-fetchduringmessagedequeuefromstring.stringCause:User-specifieddequeuewaittimehaspassedortheendofthequeuehasbeenreachedbutnomessage...
ORA-24940: invalid combination of string namespace, string presentation and string receive protocol
文档解释ORA-24940:invalidcombinationofstringnamespace,stringpresentationandstringreceiveprotocolCause:Aninvalidcombinationofnamespace,presentationandreceiveprotocol...
ORA-39172: Cannot remap transportable tablespace names with compatibility of string.
文档解释ORA-39172:Cannotremaptransportabletablespacenameswithcompatibilityofstring.Cause:Theuserattemptedtoremapatablespacenameinatransportabletablespacejobwhenthec...
ORA-46057: Namespace already exists
文档解释ORA-46057:NamespacealreadyexistsCause:Thespecifiedextensiblesecurityapplicationnamespacewasalreadyinexistence.Action:Executethefunctionorprocedurewithadiffe...
ORA-24043: destination string uses a reserved name, names with AQ$_ prefix are not valid
文档解释ORA-24043:destinationstringusesareservedname,nameswithAQ$_prefixarenotvalidCause:Anattemptwasmadetospecifyareservednameforadestination.Action:Enteradifferen...
ORA-46054: Invalid Namespace specified
文档解释ORA-46054:InvalidNamespacespecifiedCause:Aninvalidextensiblesecurityapplicationnamespacewasspecified.Action:Checkthenamespaceandexecutethefunctionorprocedur...
ORA-25229: error on transformation of message string string
文档解释ORA-25229:errorontransformationofmessagestringstringCause:Therewasanerrorwhentransformingamessageatenqueue,dequeueorpropagationtime.Action:Correctthetransfo...