nn主题的文章列表，还有nn的技术要点_第2页

ORA-10452: Cannot do block media recovery; media recovery session may be in progress

文档解释ORA-10452:Cannotdoblockmediarecovery;mediarecoverysessionmaybeinprogressCause:Amediarecovery,RMAN,orflashbackdatabasesessionmayhavebeeninprogresswhenanattem...

IT技术学习 ·2025-02-14

ORA-38799: Cannot drop guaranteed restore point internally created for snapshot standby

文档解释ORA-38799:CannotdropguaranteedrestorepointinternallycreatedforsnapshotstandbyCause:AnattemptismadetodroptheguaranteedrestorepointOraclecreatedinternallyfora...

IT技术学习 ·2025-02-14

ORA-19227: XPTY0007 – fn:data function is applied to a node (type (string)) whose type annotation denotes a complex type with non-mixed complex content.

文档解释ORA-19227:XPTY0007–fn:datafunctionisappliedtoanode(type(string))whosetypeannotationdenotesacomplextypewithnon-mixedcomplexcontent.Cause:Theinputnodefo...

IT技术学习 ·2025-02-14

ORA-32136: Cannot perform operation on an invalid stream

文档解释ORA-32136:CannotperformoperationonaninvalidstreamCause:TheLOB/FILEfromwhichthestreamwasobtainedhadbeennullifiedordestroyed.Action:Useavalidstream.这是一个Oracle...

IT技术学习 ·2025-02-14

ORA-19627: cannot read backup pieces during control file application

文档解释ORA-19627:cannotreadbackuppiecesduringcontrolfileapplicationCause:Thisisacontrolfilerestoreconversation,whichisusingtheofflinerangeinformationfromoneormorec...

IT技术学习 ·2025-02-14

ORA-23487: object groups “string”.”string” and “string”.”string” do not have the same connection qualifier

文档解释ORA-23487:objectgroups“string”.”string”and“string”.”string”donothavethesameconnectionqualifierCause:Thespeci...

IT技术学习 ·2025-02-13

ORA-14523: Cannot co-locate [sub]partition of string string with table [sub]partition because string block size [string] does not match table block size [string]

文档解释ORA-14523:Cannotco-locate[sub]partitionofstringstringwithtable[sub]partitionbecausestringblocksize[string]doesnotmatchtableblocksize[string]Cause:ADDLstatem...

IT技术学习 ·2025-02-01

解决Authentication plugin caching_sha2_password cannot be loaded问题

登录mysql时报错Authenticationplugin‘caching_sha2_password‘cannotbeloaded解决办法报错信息如下:ERROR2059(HY000):Authenticationplugin'caching_sha2_password&...

开发笔记 ·2024-10-09

Uncaught TypeError: Cannot read properties of undefined (rea

vue页面UncaughtTypeError:Cannotreadpropertiesof undefined (reading‘install’)报错，页面全空白。然后发现是自己写的指令全局引用的原因使用了export导出export{preventReClick}复制代码...

开发笔记 ·2024-09-29

Mysql报错： ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement

解决方法一：报错：ERROR1290(HY000):TheMySQLserverisrunningwiththe--secure-file-privoptionsoitcannotexecutethisstatement 二：分析：MySQL对于导入导出的目录是有限制的，只允许指定的目录才能导入导出。secu...

开发笔记 ·2024-09-07

解决"requests.exceptions.SSLError: HTTPSConnectionPool"报错问题

在处理Pythonrequests模块抓取数据的时候，有提示"requests.exceptions.SSLError:HTTPSConnectionPool"报错问题。于是我们只需要在requests.get请求中加入 verify=False 参数即可。但是这样之后还是有很多...

开发笔记 ·2024-08-29

使用putty远程登录Ubuntu时，报Network error:Connection refused错误及解决

putty远程登录Ubuntu，弹出Networkerror:Connectionrefused的错误提示框，就是因为Ubuuntu没有安装ssh服务。执行命令：sudoapt-getinstallopenssh-server1然后打开putty，在HostName（orIPaddress）输入Ubuntu的IP地址，...

开发笔记 ·2024-08-20

loadrunner 场景设计-集合点设置

1 作用通过让多用户在同一时间点上进行并发操作来测试系统的并发处理的能力2 实现通过集合点函数来实现。注意：集合点经常和事务结合起来使用。集合点只能插入到Action部分，vuser_init和vuser_end中不能插入集合点。所以，如果要模拟并发登录，那么必须把登录操作放到Action中3&nb...

开发笔记 ·2024-08-10

git错误-拒绝连接：Failed to connect to 127.0.0.1 port 8888: Connection refused

错误提示Failedtoconnectto127.0.0.1port8888:Connectionrefused致命错误：无法访问'http://git.xxx.xx/xxx.git/'：Failedtoconnecttogit.xx.xxport8888:拒绝连接解决方法取消代理gitconfig--globalht...

开发笔记 ·2024-07-12

com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql:/解决方法详解

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:Couldnotcreateconnectiontodatabaseserver.具体错误信息如下：2021-01-0420:20:09.071ERROR12300---[eate-...

开发笔记 ·2024-07-11