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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&...

WebAssembly (Wasm)是什么

WebAssembly 是一种新型的二进制格式,能够在浏览器中高效运行低级代码。它可以用于提升应用性能,特别是在计算密集型任务中。 ...
开发笔记 ·2024-08-31

Linux常用命令:passwd 修改密码

Linux系统中的每一个用户除了有其用户名外还有其对应的用户口令,用户可以随时用passwd命令改变自己的口令。该命令的一般格式为: 1passwd 用户名输入该命令后,按系统提示依次输入密码和密码确认后,即可完成用户密码的修改。超级用户root可以修改其他用户的口令,命令如下:passwd51de...

java.sql.SQLException: Access denied for user root@172.16.2.20 (using password: YES)

启动spring架构连接数据库时,报错:java.sql.SQLException:Accessdeniedforuser'root'@'172.16.2.20'(usingpassword:YES)解决:1.在架构连接数据库的位置增加&zeroDateTimeBehavior=...

如何反编译class文件

要反编译一个class文件,需要使用Java反编译工具。以下是一些常用的Java反编译工具:1.JD-GUI:JD-GUI是一个免费的Java反编译工具,可以将class文件转换为Java源代码。它可以直接从官方网站上下载并安装。2.Procyon:Procyon是另一个免费的Java反编译工具,可以将class文件转...
开发笔记 ·2024-01-29

Oracle数据库:ORA-01017: invalid username/password; logon denied

报错:ORA-01017:invalidusername/password;logondenied错误说明:用户名和密码无效,登录被拒绝。1<connectionStrings>2 <!--多个数据库,随机访问-->3 <addname="CamnprData...

ORA-41633: specified rule class configuration not supported: “string”

文档解释ORA-41633:specifiedruleclassconfigurationnotsupported:“string”Cause:Anattemptwasmadetouseanunsupportedconfigurationfortheruleclass.Action:Remove...

ORA-29511: could not resolve Java class

文档解释ORA-29511:couldnotresolveJavaclassCause:ACREATEANDRESOLVENOFORCEJAVACLASScommandspecifieddefinitiondatathatcouldnotberesolved,orresolutionfailedforsomerefer...

ORA-29533: attempt to overwrite class or resource string while defining or compiling string.string

文档解释ORA-29533:attempttooverwriteclassorresourcestringwhiledefiningorcompilingstring.stringCause:AclassorresourcedefinedbyaSQLJsourceconflictedwithanexistingobje...

ORA-44809: No expression is present for classifier

文档解释ORA-44809:NoexpressionispresentforclassifierCause:Thisclassifierscontainednoexpression.Itshouldcontainonemoremoreexpressions.Action:Checksyntaxintheclassifi...

ORA-41630: invalid value for “string” attribute in the rule class properties

文档解释ORA-41630:invalidvaluefor“string”attributeintheruleclasspropertiesCause:Aninvalidvaluewasspecifiedforanattributeintheruleclassproperties.Action:...

ORA-28274: No ORACLE password attribute corresponding to user nickname exists.

文档解释ORA-28274:NoORACLEpasswordattributecorrespondingtousernicknameexists.Cause:LDAPuserentrycorrespondingtousernicknamedoesnothaveaORACLEpasswordattributeorthea...

ORA-24392: no connection pool to associate server handle

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

ORA-29553: class in use: string.string

文档解释ORA-29553:classinuse:string.stringCause:AnattemptwasmadetomodifyaJavaclassthatisinuseinthecurrentcall.Action:Correctthecodeinuseinthiscall.ORA-29553:表示class...

ORA-44827: Number of Performance Classes is too large

文档解释ORA-44827:NumberofPerformanceClassesistoolargeCause:Alargenumber(>=50)ofPerformanceClasseswererequested.Action:Submitasmaller(ORA-44827:表示性能类的数量太多。官方解释OR...
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