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java如何计算MD5值

可以用 MessageDigest 的MD5实例来计算String的MD5值。使用 MessageDigest 和String时，一定要显式声明你的数据编码类型。如果你使用无参的 String.getBytes() ,它会以当前平台的默认编码来转换数据。不同平...

开发笔记 ·2024-01-12

ORA-09881: sstasfre/sstasdel: shmdt error, unable to detach tas read page

文档解释ORA-09881:sstasfre/sstasdel:shmdterror,unabletodetachtasreadpageCause:Errorinshmdt.Action:Checkerrnoreturned.ORA-09881:sstasfre/sstasdel:shmdterror,unableto...

IT技术学习 ·2023-07-26

ORA-27194: skgfdvcmd: sbtcommand returned error

文档解释ORA-27194:skgfdvcmd:sbtcommandreturnederrorCause:sbtcommandreturnedanerror.ThishappenswhenanrmanSENDcommandisissued.Action:Thiserrorisreturnedfromthemediama...

IT技术学习 ·2023-07-26

ORA-15520: Directory is corrupted. Two WMD files are found at “string” and “string”

文档解释ORA-15520:Directoryiscorrupted.TwoWMDfilesarefoundat“string”and“string”Cause:TwoWMDfileswerefoundinthedirectory.Action:CheckthattheW...

IT技术学习 ·2023-07-17

ORA-57000: TimesTen IMDB error: string

文档解释ORA-57000:TimesTenIMDBerror:stringCause:AnerroroccurredduringaTimesTenoperation.Action:LookuptheerrorcodeintheTimesTenerrordocumentationtodiagnose.ORA-57000...

IT技术学习 ·2023-07-16

ORA-55463: missing privileges for MDSYS schema for OLS-enabled entailment

文档解释ORA-55463:missingprivilegesforMDSYSschemaforOLS-enabledentailmentCause:AnattemptwasmadetorunentailmentwithinsufficientprivilegesforMDSYSschema.Action:GrantE...

IT技术学习 ·2023-07-11

ORA-30681: improper value for argument EXTENSIONS_CMD_SET

文档解释ORA-30681:impropervalueforargumentEXTENSIONS_CMD_SETCause:AnimproperparametervaluewasprovidedinacalltoDBMS_DEBUG_JDWP.CONNECT_TCP.Action:Correcttheindicated...

IT技术学习 ·2023-07-08

ORA-09880: sstasfre/sstasdel: shmdt error, unable to detach tas write page

文档解释ORA-09880:sstasfre/sstasdel:shmdterror,unabletodetachtaswritepageCause:Errorinshmdt.Action:Checkerrnoreturned.ORA-09880是一个内存管理错误，由ORACLE在运行时记录的发生的，表明系统无法正确分...

IT技术学习 ·2023-07-08

ORA-00482: LMD* process terminated with error

文档解释ORA-00482:LMD*processterminatedwitherrorCause:AglobalenqueueservicedaemonprocessdiedAction:WarmstartinstanceORA-00482错误是一种数据库实例错误，该错误指示LMD（LoggingBackground...

IT技术学习 ·2023-07-05

MySQL Error number: MY-011806; Symbol: ER_SYSTEMD_NOTIFY_PATH_TOO_LONG; SQLSTATE: HY000

文档解释Errornumber:MY-011806;Symbol:ER_SYSTEMD_NOTIFY_PATH_TOO_LONG;SQLSTATE:HY000Message:Thepath‘%s’,fromtheNOTIFY_SOCKETenvironmentvariable,istoolong...

IT技术学习 ·2023-07-03

MySQL Error number: MY-013097; Symbol: ER_RPL_SLAVE_IO_THREAD_STOP_CMD_EXEC_TIMEOUT; SQLSTATE: HY000

文档解释Errornumber:MY-013097;Symbol:ER_RPL_SLAVE_IO_THREAD_STOP_CMD_EXEC_TIMEOUT;SQLSTATE:HY000Message:STOPSLAVEcommandexecutionisincomplete:SlaveIOthreadgotthesto...

IT技术学习 ·2023-07-03

MySQL Error number: MY-010021; Symbol: ER_DD_UPDATING_PLUGIN_MD_FAILED; SQLSTATE: HY000

文档解释Errornumber:MY-010021;Symbol:ER_DD_UPDATING_PLUGIN_MD_FAILED;SQLSTATE:HY000Message:Failedtoupdatepluginmetadataindictionarytables.Errornumber:MY-010021;Symb...

IT技术学习 ·2023-07-03

MySQL Error number: MY-013656; Symbol: ER_IB_MSG_UNDO_TRUNCATE_DELAY_BY_MDL; SQLSTATE: HY000

文档解释Errornumber:MY-013656;Symbol:ER_IB_MSG_UNDO_TRUNCATE_DELAY_BY_MDL;SQLSTATE:HY000Message:Delayingtruncateofundotablespace%sduetoametadatalock.错误说明：ER_IB_MSG_...

IT技术学习 ·2023-07-03

MySQL Error number: MY-011339; Symbol: ER_XPLUGIN_EMPTY_ADMIN_CMD; SQLSTATE: HY000

文档解释Errornumber:MY-011339;Symbol:ER_XPLUGIN_EMPTY_ADMIN_CMD;SQLSTATE:HY000Message:Errorexecutingemptyadmincommand错误说明MY-011339是一个MySQL数据库服务器中出现的错误，它的完整错误信息为ER_X...

IT技术学习 ·2023-07-01

MySQL Error number: 3607; Symbol: ER_DB_DROP_RMDIR2; SQLSTATE: HY000

文档解释Errornumber:3607;Symbol:ER_DB_DROP_RMDIR2;SQLSTATE:HY000Message:Problemwhiledroppingdatabase.Can’tremovedatabasedirectory(%s).Pleaseremoveitmanually.错...

IT技术学习 ·2023-07-01