connection主题的文章列表，还有connection的技术要点_第1页

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

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

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-24404: connection pool does not exist

文档解释ORA-24404:connectionpooldoesnotexistCause:Anattemptwasmadetousetheconnectionpoolbeforecreatingit.Action:Createtheconnectionpool.ORA-24404：连接池不存在官方解释ORA-2440...

IT技术学习 ·2023-07-28

ORA-24392: no connection pool to associate server handle

文档解释ORA-24392:noconnectionpooltoassociateserverhandleCause:OCIServerAttachcalledinOCI_POOLmodebutnoconnectionpoolfoundtoassociatetheserverhandle.Action:1)Verify...

IT技术学习 ·2023-07-28

ORA-30678: too many open connections

文档解释ORA-30678:toomanyopenconnectionsCause:Anattempttoopenaconnectionfailedbecausetoomanyarealreadyopenbythissession.Thenumberofallowedconnectionsvariesassomemay...

IT技术学习 ·2023-07-28

ORA-28509: unable to establish a connection to non-Oracle system

文档解释ORA-28509:unabletoestablishaconnectiontonon-OraclesystemCause:Initializationofadatabaselinktoanon-OraclesystemfailedtoconnecttotheHeterogeneousServicesagent...

IT技术学习 ·2023-07-28

ORA-24401: cannot open further connections

文档解释ORA-24401:cannotopenfurtherconnectionsCause:Sufficientnumberofconnectionsarenotpresentinthepooltoexecutethecall.NonewconnectionscanbeopenedastheconnMaxparam...

IT技术学习 ·2023-07-28

ORA-24400: error occured while creating connections in the pool

文档解释ORA-24400:erroroccuredwhilecreatingconnectionsinthepoolCause:ThedatabaselinkspecifiedinOCIConnectionPoolCreatemightbeaninvalidone.Action:Specifyavaliddataba...

IT技术学习 ·2023-07-27

ORA-21522: attempted to use an invalid connection in OCI (object mode only)

文档解释ORA-21522:attemptedtouseaninvalidconnectioninOCI(objectmodeonly)Cause:UserattemptedtouseaninvalidconnectionoraconnectionthathasbeenterminatedinanOCIenvironm...

IT技术学习 ·2023-07-27

ORA-06737: TLI Driver: connection failed

文档解释ORA-06737:TLIDriver:connectionfailedCause:TLIcouldnotestablishaconnectiontotheremoteTLIserver.Action:CheckthattheremoteTLIserverisrunningwiththestatusutilit...

IT技术学习 ·2023-07-26

ORA-28576: lost RPC connection to external procedure agent

文档解释ORA-28576:lostRPCconnectiontoexternalprocedureagentCause:ofthiserrorisabnormalterminationoftheinvoked“C”routine.Ifthisisnotthecase,checkfornetwo...

IT技术学习 ·2023-07-26

ORA-16143: RFS connections not allowed during or after terminal recovery

文档解释ORA-16143:RFSconnectionsnotallowedduringorafterterminalrecoveryCause:Anattemptwasmade,byanRFSprocess,toaccessastandbyonlinelogfileduringorafteraterminalreco...

IT技术学习 ·2023-07-26