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使用Navicat连接mysql报错:Client does not support authentication protocol requested by server
我们在使用navicat连接mysql的时候,会报错是吧!如果出现了下面错误:Clientdoesnotsupportauthenticationprotocolrequestedbyserver意思是:客户端不支持服务器请求的身份验证协议那么我们只需要打开自己电脑中的mysql,输入你的密码登录。然后我们在第一行中输...
开发笔记
·
2024-10-09
使用
Navicat
连接
mysql
报错
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
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException
Data
source
rejected
establishment
LINUX 云原生 K8S KUBELET 服务无法启动报 CODE=EXITED, STATUS=1/FAILURE错误 多种原因及解决
出现这种问题的原因有多种,如果status=255且反复重启动则是正常的,配置并创建pod后就好了。如果是status=1/FAILURE则可能是以下几种问题具体如下1.证书过期导致kubelet无法正常起动。可以参考:k8skubelet服务无法启动报code=exited,status=1/FAILURE错误_世宝...
开发笔记
·
2024-03-21
LINUX
原生
K8S
KUBELET
服务
available: expected at least 1 bean which qualifies as autowire candidate
available:expectedatleast1beanwhichqualifiesasautowirecandidate这个错误我也是找了半天,最后排查的时候发现是自己的实现类写错了,所以注入不进去.出现这个错误一般有四个方向排查查看接口实现类是否加入注解,如service、repository等查看spring...
开发笔记
·
2023-10-20
available
expected
at
least
bean
ORA-00001: unique constraint violated异常处理
程序中保存数据时报错,ORA-00001:uniqueconstraint(xxxx)violated先是查看数据库结构,最近也没什么改动,开发环境也正常,测试环境就报这个错后来发现主键id是自增的,查询序列的下个值 selecttable_seq.nextval fromdual发现这...
开发笔记
·
2023-10-10
ORA-00001
unique
constraint
violated
异常
ORA-56722: I/O request limit exceeded – call aborted
文档解释ORA-56722:I/Orequestlimitexceeded–callabortedCause:TheResourceManagerSWITCH_IO_REQSlimitwasexceeded.Action:Reducethecomplexityoftheupdateorquery,orcon...
IT技术学习
·
2023-07-28
ORA-56722
request
limit
exceeded
#8211
ORA-39754: FULL PARTITIONED OUTER JOIN is not supported
文档解释ORA-39754:FULLPARTITIONEDOUTERJOINisnotsupportedCause:AnattemptwasmadetouseFULLPARTITIONEDOUTERJOIN.Action:SpecifyFULLPARTITIONEDOUTERJOINthroughUNIONofLEFT...
IT技术学习
·
2023-07-28
ORA-39754
FULL
PARTITIONED
OUTER
JOIN
ORA-32415: fast refreshable remote materialized view on a detail table with commit SCN-based materialized view log is not supported
文档解释ORA-32415:fastrefreshableremotematerializedviewonadetailtablewithcommitSCN-basedmaterializedviewlogisnotsupportedCause:Thematerializedviewcreationfailedbeca...
IT技术学习
·
2023-07-28
materialized
view
ORA-32415
fast
refreshable
ORA-31048: Unsaved resources cannot be updated
文档解释ORA-31048:UnsavedresourcescannotbeupdatedCause:Anattemptwasmadetoupdatearesourcethatwasneversavedtodisk.Action:Performaresourceinsertioninstead.ORA-31048:Un...
IT技术学习
·
2023-07-28
ORA-31048
Unsaved
resources
cannot
be
ORA-41633: specified rule class configuration not supported: “string”
文档解释ORA-41633:specifiedruleclassconfigurationnotsupported:“string”Cause:Anattemptwasmadetouseanunsupportedconfigurationfortheruleclass.Action:Remove...
IT技术学习
·
2023-07-28
ORA-41633
specified
rule
class
configuration
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-29309
export
dump
file
was
ORA-39202: Data cannot be filtered or selected in string jobs.
文档解释ORA-39202:Datacannotbefilteredorselectedinstringjobs.Cause:Adatafilterwassuppliedforthespecifiedtypeofjob,butisnotsupportedinthespecifiedjobtype.Fromthecomm...
IT技术学习
·
2023-07-28
ORA-39202
Data
cannot
be
filtered
ORA-41604: cannot revoke a privilege that was not granted
文档解释ORA-41604:cannotrevokeaprivilegethatwasnotgrantedCause:Anattemptwasmadetorevokeaprivilegethatwasnevergranted.Action:NoneORA-41604错误代表着不能撤销一个没有被授予的权限。官方解释常见案...
IT技术学习
·
2023-07-28
ORA-41604
cannot
revoke
privilege
that
ORA-32486: unsupported operation in recursive branch of recursive WITH clause
文档解释ORA-32486:unsupportedoperationinrecursivebranchofrecursiveWITHclauseCause:TherecursivecomponentoftheUNIONALLinarecursiveWITHclauseelementusedanoperationthat...
IT技术学习
·
2023-07-28
recursive
ORA-32486
unsupported
operation
in
ORA-30357: this PL/SQL function cannot be supported for query rewrite
文档解释ORA-30357:thisPL/SQLfunctioncannotbesupportedforqueryrewriteCause:ThestatementreferencedaPL/SQLfunctionthatisnotmarkedDETERMINISTIC.Action:Performoneofthefo...
IT技术学习
·
2023-07-28
ORA-30357
this
PL
SQL
function
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