ORA-19242: XQST0022 – namespace declaration attribute must be a literal
文档解释ORA-19242:XQST0022–namespacedeclarationattributemustbealiteralCause:Thenamespacedeclarationattributewasnotaliteralstring.Action:Fixthenamespacedeclara...
ORA-55361: duplicate specification for the namespace found
文档解释ORA-55361:duplicatespecificationforthenamespacefoundCause:Anattemptwasmadetouseanamespacemapthatcontainedoneormoreduplicatespecifications.Action:Correctthei...
MySQL Error number: MY-013407; Symbol: ER_NETWORK_NAMESPACE_NOT_ALLOWED_FOR_WILDCARD_ADDRESS; SQLSTATE: HY000
文档解释Errornumber:MY-013407;Symbol:ER_NETWORK_NAMESPACE_NOT_ALLOWED_FOR_WILDCARD_ADDRESS;SQLSTATE:HY000Message:Networknamespacenotallowedforwildcardinterfaceaddre...
Spring Security（二十四）：6.6 The Authentication Manager and the Namespace
ThemaininterfacewhichprovidesauthenticationservicesinSpringSecurityisthe AuthenticationManager.ThisisusuallyaninstanceofSpringSecurity’s ProviderManag...
Spring Security（十九）：6. Security Namespace Configuration
Namespaceconfigurationhasbeenavailablesinceversion2.0oftheSpringFramework.ItallowsyoutosupplementthetraditionalSpringbeansapplicationcontextsyntaxwithelementsfr...
Incompatible namespaceID for journal Storage Directory /home/hkx/journaldata/ns2: NameNode has nsId 480343035 but storage has nsId 2072447892
原因是因为你的hadoop.tmp.dir在/tmp目录下，而linux系统的/tmp文件夹内容能够是定时清理的，所以会导致你看hadoop使用不了了，就反复的格式化namenode会导致上述问题，也有可能是datanode长期没正常启动导致；找了一下资料，有三个解决方案：解決方法一：删除datanode的所有资料，主...