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java中getrealpath怎么使用

在Java中，可以通过使用getRealPath()方法来获取Web应用程序的真实路径。这个方法通常在Servlet中使用，它返回一个字符串，表示Web应用程序的根目录在文件系统中的真实路径。以下是getRealPath()方法的示例用法：importjavax.servlet.*;importjavax.servle...

开发笔记 ·2023-12-05

ORA-26761: Standby Redo Logs not available for real time mining

文档解释ORA-26761:StandbyRedoLogsnotavailableforrealtimeminingCause:StandbyRedoLogsrequiredforrealtimeminingbydownstreamcaptureprocesswerenotavailable.Action:Checkt...

IT技术学习 ·2023-07-28

ORA-47261: Realm Authorization to string for Realm string not found

文档解释ORA-47261:RealmAuthorizationtostringforRealmstringnotfoundCause:TheobjectbeingrequesteddoesnotexistAction:ChooseanobjectnamethatexistsandretrytheoperationOR...

IT技术学习 ·2023-07-28

ORA-47282: error adding Realm Object string,string.string to Realm string, string

文档解释ORA-47282:erroraddingRealmObjectstring,string.stringtoRealmstring,stringCause:AnunexpectederroroccurredcreatingtherealmobjectAction:Pleasereviewthedefinitio...

IT技术学习 ·2023-07-26

ORA-47244: error updating Realm string, string

文档解释ORA-47244:errorupdatingRealmstring,stringCause:AnunexpectederroroccurredupdatingtherealmAction:PleasereviewthedefinitionforaccuracyandretrytheoperationORA-4...

IT技术学习 ·2023-07-26

ORA-26726: standby and DOWNSTREAM_REAL_TIME_MINE are incompatible

文档解释ORA-26726:standbyandDOWNSTREAM_REAL_TIME_MINEareincompatibleCause:AnattemptwasmadetosetthestandbydatabaseandDOWNSTREAM_REAL_TIME_MINEoptionoftheOracleGolden...

IT技术学习 ·2023-07-26

ORA-47281: Realm Object string,string.string not found in Realm string

文档解释ORA-47281:RealmObjectstring,string.stringnotfoundinRealmstringCause:TheobjectbeingrequesteddoesnotexistAction:Chooseanobjectnamethatexistsandretrytheoperati...

IT技术学习 ·2023-07-23

ORA-47240: Realm string already defined

文档解释ORA-47240:RealmstringalreadydefinedCause:TheobjectwiththisnameexistsalreadyAction:ChooseauniqueobjectnameandretrytheoperationORA-47240：当一个特定的域字符串已经定义过之后，就会出...

IT技术学习 ·2023-07-23

ORA-47241: Realm string not found

文档解释ORA-47241:RealmstringnotfoundCause:TheobjectbeingrequesteddoesnotexistAction:ChooseanobjectnamethatexistsandretrytheoperationOracle数据库的ORA-47241错误代码指示一个无法找到...

IT技术学习 ·2023-07-19

ORA-47290: error creating VPD policy for Realm string, string

文档解释ORA-47290:errorcreatingVPDpolicyforRealmstring,stringCause:AnunexpectederroroccurredcreatingtheVPDpolicyAction:Pleasereviewthedefinitionforaccuracyandretryt...

IT技术学习 ·2023-07-19

ORA-47283: error deleting Realm Object string,string.string from Realm string, string

文档解释ORA-47283:errordeletingRealmObjectstring,string.stringfromRealmstring,stringCause:AnunexpectederroroccurreddeletingtherealmobjectAction:Pleasereviewthedefin...

IT技术学习 ·2023-07-19

ORA-47262: error creating Realm Authorization to string for Realm string, string

文档解释ORA-47262:errorcreatingRealmAuthorizationtostringforRealmstring,stringCause:AnunexpectederroroccurredcreatingtherealmauthorizationAction:Pleasereviewthedefi...

IT技术学习 ·2023-07-18

ORA-47242: error creating Realm string, string

文档解释ORA-47242:errorcreatingRealmstring,stringCause:AnunexpectederroroccurredcreatingtherealmAction:PleasereviewthedefinitionforaccuracyandretrytheoperationORA-4...

IT技术学习 ·2023-07-18

ORA-19683: real and backup block size of file string are unequal

文档解释ORA-19683:realandbackupblocksizeoffilestringareunequalCause:blocksizechangedbetweenbackup&realfileAction:userightbackupORA-19683错误反映在RMAN过程中，当恢复备份块时，RMA...

IT技术学习 ·2023-07-17

ORA-10485: Real-Time Query cannot be enabled while applying migration redo.

文档解释ORA-10485:Real-TimeQuerycannotbeenabledwhileapplyingmigrationredo.Cause:TheReal-TimeQueryfeaturewasenabledwhenanattemptwasmadetorecoverthroughmigrationredog...

IT技术学习 ·2023-07-16