si主题的文章列表，还有si的技术要点_第2页

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

微信公众号调试jsconfig fail.Error invalid signature

调试js分享时候一直提示config:fail.Error:invalidsignature的签名错误，但是在本地计算的签名和方式完全正确。怎么去到线上就不正常了。。后来检查发现是公众号设置白名单，需要将服务器的ip也加入进去！！！...

开发笔记 ·2024-03-19

php中的php.ini设置session超时

session.use_cookies设置为1session.cookie_lifetime默认是0关闭浏览器后就失效。...

开发笔记 ·2024-03-19

ChatGPT Signup is currently unavailable错误提示解决方法

问题介绍：1、账号注册阶段出现的提示：Signupiscurrentlyunavailable,pleasetryagainlater2、翻译过来错误原因是：注册当前不可用，请稍后再试，是一个比较常见的报错内容；解决方法：使用QQ邮箱注册。1、出现这一问题最大的原因是因为邮箱导致的；2、网易以及163邮箱都...

开发笔记 ·2023-08-15

ORA-48502: Invalid Command Line – Missing Required Elements

文档解释ORA-48502:InvalidCommandLine–MissingRequiredElementsCause:Missingrequiredcommandlinearguments.Action:Reviewthehelpmessageandsupplytherequiredarguments...

IT技术学习 ·2023-07-28

ORA-39183: internal error string ocurred during decompression phase string

文档解释ORA-39183:internalerrorstringocurredduringdecompressionphasestringCause:Anunexpectederroroccurredwhiledecompressingdatabuffers.Action:ContactOracleCustomerS...

IT技术学习 ·2023-07-28

ORA-32043: recursive WITH clause needs an initialization branch

文档解释ORA-32043:recursiveWITHclauseneedsaninitializationbranchCause:AWITHclausequeryreferredtoitself(recursive)butdidnothaveabranchinaUNIONALLwithnoreferencestoit...

IT技术学习 ·2023-07-28

ORA-32039: recursive WITH clause must have column alias list

文档解释ORA-32039:recursiveWITHclausemusthavecolumnaliaslistCause:AWITHclausequeryreferredtoitself(recursive)butdidnothaveacolumnaliaslistspecifiedforit.Action:Adda...

IT技术学习 ·2023-07-28

ORA-30051: VERSIONS clause not allowed here

文档解释ORA-30051:VERSIONSclausenotallowedhereCause:AVERSIONSclausewasspecifiedwhenitwasnotallowed.Action:DonotusetheVERSIONSclauseORA-30051:VERSIONSclausenotallowe...

IT技术学习 ·2023-07-28

ORA-26876: invalid processed low-watermark (current position=string; new position=string)

文档解释ORA-26876:invalidprocessedlow-watermark(currentposition=string;newposition=string)Cause:Anattemptwasmadetosettheprocessedlow-watermarktoavaluethatwaslesstha...

IT技术学习 ·2023-07-28

ORA-38496: Expression Filter index is not in a valid state

文档解释ORA-38496:ExpressionFilterindexisnotinavalidstateCause:AnattemptwasmadetoREBUILDanExpressionFilterindexthatwasnotvalid.Action:UseDEFAULTkeywordintheparamete...

IT技术学习 ·2023-07-28

ORA-41028: Session id not specified

文档解释ORA-41028:SessionidnotspecifiedCause:Anattempttomigratewasmade,whichfailedduringmigrationbecausethesessionidspecifiedbytheclientwasnull.Action:Checkthesessi...

IT技术学习 ·2023-07-28

ORA-29309: export dump file was generated by different version of DBMS_PITR package

文档解释ORA-29309:exportdumpfilewasgeneratedbydifferentversionofDBMS_PITRpackageCause:TheversionofDBMS_PITRisdifferentfromtheversionofthecloneddatabase.Action:Loadt...

IT技术学习 ·2023-07-28

ORA-29550: Java session state cleared

文档解释ORA-29550:JavasessionstateclearedCause:TheJavastateinthecurrentsessionbecameinconsistentandwascleared.Action:Noactionrequired.ORA-29550：Java会话状态已清除官方解释提示你在关...

IT技术学习 ·2023-07-28

ORA-29826: keyword FOR is missing

文档解释ORA-29826:keywordFORismissingCause:FORkeywordmustbeprovidedwithCreateIndextypestatement.Action:UseFORkeywordandproviderelevantoperatorinformation....

IT技术学习 ·2023-07-28