记一次使用shiro-redis开源插件中遇到的坑
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??shiro-redis是网上的大牛开源的一个插件(github地址:https://github.com/alexxiyang/shiro-redis ),最近在用它的时候老是报如下错误(版本是3.1.0):
We need a field to identify this Cache Object in Redis. So you need to defined an id field which you can get unique id to identify this principal. For example, if you use UserInfo as Principal class, the id field maybe userId, userName, email, etc. For example, getUserId(), getUserName(), getEmail(), etc.
Default value is authCacheKey or id, that means your principal object has a method called "getAuthCacheKey()" or "getId()"] with root cause
org.crazycake.shiro.exception.PrincipalInstanceException: class com.xxx.blog.base.LoginBean must has getter for field: authCacheKey or id
We need a field to identify this Cache Object in Redis. So you need to defined an id field which you can get unique id to identify this principal. For example, if you use UserInfo as Principal class, the id field maybe userId, userName, email, etc. For example, getUserId(), getUserName(), getEmail(), etc.
Default value is authCacheKey or id, that means your principal object has a method called "getAuthCacheKey()" or "getId()"
at org.crazycake.shiro.RedisCache.getRedisKeyFromPrincipalIdField(RedisCache.java:150)
at org.crazycake.shiro.RedisCache.getStringRedisKey(RedisCache.java:126)
at org.crazycake.shiro.RedisCache.getRedisCacheKey(RedisCache.java:118)
at org.crazycake.shiro.RedisCache.remove(RedisCache.java:103)
at org.apache.shiro.realm.AuthorizingRealm.clearCachedAuthorizationInfo(AuthorizingRealm.java:386)
at org.apache.shiro.realm.AuthorizingRealm.doClearCache(AuthorizingRealm.java:663)
at org.apache.shiro.realm.CachingRealm.clearCache(CachingRealm.java:170)
at org.apache.shiro.realm.CachingRealm.onLogout(CachingRealm.java:152)
at org.apache.shiro.authc.pam.ModularRealmAuthenticator.onLogout(ModularRealmAuthenticator.java:290)
at org.apache.shiro.mgt.DefaultSecurityManager.logout(DefaultSecurityManager.java:562)
at org.apache.shiro.subject.support.DelegatingSubject.logout(DelegatingSubject.java:367)
at com.huangbl.blog.filter.CheckSessionControlFilter.onAccessDenied(CheckSessionControlFilter.java:94)
at org.apache.shiro.web.filter.AccessControlFilter.onAccessDenied(AccessControlFilter.java:133)
at org.apache.shiro.web.filter.AccessControlFilter.onPreHandle(AccessControlFilter.java:162)
at org.apache.shiro.web.filter.PathMatchingFilter.isFilterChainContinued(PathMatchingFilter.java:203)
at org.apache.shiro.web.filter.PathMatchingFilter.preHandle(PathMatchingFilter.java:178)
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:131)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
??大致意思是principal对象中必须要有authCacheKey或者id属性,且要有其对应的get方法。我特意去检查了下,我的loginBean中是有id属性的,但是是继承自父类的属性,我马上意识到可能是这个开源框架没有考虑到从父类中读取id属性的情况,后来我又注意到作者在github中说不要使用3.1.0以下版本(而我用的就是3.1.0版本),然后我马上把版本换成3.2.3立马就可以了
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