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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...

开发笔记 ·2024-04-29

ORA-26526: materialized view sql ddl parse/expansion failed for string.string

文档解释ORA-26526:materializedviewsqlddlparse/expansionfailedforstring.stringCause:TheclientsqlmaterializedviewdefinitionquerycouldnotbeproperlyparsedbythemasterOra...

IT技术学习 ·2023-07-26

ORA-25156: old style outer join (+) cannot be used with ANSI joins

文档解释ORA-25156:oldstyleouterjoin(+)cannotbeusedwithANSIjoinsCause:WhenaqueryblockusesANSIstylejoins,theoldnotationforspecifyingouterjoins(+)cannotbeused.Action:U...

IT技术学习 ·2023-07-26

ORA-22833: Must cast a transient type to a persistent type

文档解释ORA-22833:MustcastatransienttypetoapersistenttypeCause:Anattemptwasmadetousethetransienttypeinthequeryresult.Action:Castthetransienttypetoastructurallyequiv...

IT技术学习 ·2023-07-26

ORA-44911: exceeded maximum depth of nested xinclude expansion

文档解释ORA-44911:exceededmaximumdepthofnestedxincludeexpansionCause:Thedepthofnestedxincludeexpansionhasexceededsystemlimit.Action:Reducethedepthofnestedxincludeex...

IT技术学习 ·2023-07-18

ORA-19970: multi-instance standby role transition in progress

文档解释ORA-19970:multi-instancestandbyroletransitioninprogressCause:ALTERDATABASEMOUNTfailedbecauseamulti-instancestandbyroletransitionwasinprogress.Action:Retryaf...

IT技术学习 ·2023-07-16

ORA-30755: error during expansion of view hierarchy

文档解释ORA-30755:errorduringexpansionofviewhierarchyCause:Therewasanerrorwhiletryingtoexpandaviewhierarchy.Thiscouldbeduetoinvalidsubviews(orsubviewswitherrors)Act...

IT技术学习 ·2023-07-16

ORA-28674: cannot reference transient index-organized table

文档解释ORA-28674:cannotreferencetransientindex-organizedtableCause:Anattemptwasmadetodirectlyaccessatransienttablecreatedcreatedonbehalfofaindex-organizedtablepart...

IT技术学习 ·2023-07-16

ORA-19976: a concurrent standby role transition in progress

文档解释ORA-19976:aconcurrentstandbyroletransitioninprogressCause:Thestandbyroletransitionoperationfailedbecauseaconcurrentstandbyroletransitionwasalreadyinprogress...

IT技术学习 ·2023-07-11

ORA-32100: operation invalid on transient object

文档解释ORA-32100:operationinvalidontransientobjectCause:TryingtoperformanoperationontransientobjectwhichisisvalidonlyonpersistentobjectsAction:Makesureobjectispers...

IT技术学习 ·2023-07-09

ORA-44803: Plan is in transition (about to be activated)

文档解释ORA-44803:Planisintransition(abouttobeactivated)Cause:Newplanwasattemptedtobecreatedbeforeactivatingthecurrentplan.Action:Completelysubmitthecurrentplananda...

IT技术学习 ·2023-07-08

ORA-21708: inappropriate operation on a transient object

文档解释ORA-21708:inappropriateoperationonatransientobjectCause:Userattemptedtoperformaninappropriateoperationonatransientobject.Operationsthatcannotbeappliedtoatra...

IT技术学习 ·2023-07-08

ORA-01883: overlap was disabled during a region transition

文档解释ORA-01883:overlapwasdisabledduringaregiontransitionCause:Theregionwaschangingstateandtheoverlapflagwasdisabled.Action:PleasecontactOracleCustomerSupport.ORA...

IT技术学习 ·2023-07-08

ORA-29278: SMTP transient error: string

文档解释ORA-29278:SMTPtransienterror:stringCause:ASMTPtransienterroroccurred.Action:CorrecttheerrorandretrytheSMTPoperation.ORA-29278:SMTPtransient错误是一种临时性的SMTP错误，表...

IT技术学习 ·2023-07-08

MySQL Error number: MY-010364; Symbol: ER_TZ_TRANSITION_TYPE_TABLE_TYPE_TOO_LARGE; SQLSTATE: HY000

文档解释Errornumber:MY-010364;Symbol:ER_TZ_TRANSITION_TYPE_TABLE_TYPE_TOO_LARGE;SQLSTATE:HY000Message:Errorwhileloadingtimezonedescriptionfrommysql.time_zone_transi...

IT技术学习 ·2023-07-03