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authority-stringを使用して特定のロールのインスタンスを取得するにはどうすればよいですか？ 私はほとんどすべてを持っていますが、私は常に結果にnullを取得します。 ようこそ：Role.get（ 'ROLE_ADMIN'）はnullを返します。Grailsは、spring-scurity-coreでRole-classのインスタンスを取得できません
usercontrollerで定義された、指定されたユーザーのロールを追加または削除する必要のある操作があります。 ===
>> ROLES >>> params: [ROLE_ADMIN, ROLE_SALES, ROLE_SUPPLIER]
>> ROLES >>> userRoles: [ROLE_ADMIN]
%%%%% ROLE_ADMIN %%%%%#### Params: ROLE_ADMIN
#### Role already used: ROLE_ADMIN
#### Params: ROLE_SALES
#### userRole to be Created1: ROLE_SALES
2017-06-01 15:40:34.388 ERROR --- [nio-8080-exec-1] o.g.web.errors.GrailsExceptionResolver : ValidationException occurred when processing request: [POST] /user/userroles - parameters:
version: 0
id: 9
_ROLE_ADMIN:
ROLE_ADMIN: on
_ROLE_USER:
_ROLE_SALES:
ROLE_SALES: on
_ROLE_SUPPLIER:
ROLE_SUPPLIER: on
Validation Error(s) occurred during save():
- Field error in object 'com.torntrading.security.UserRole' on field 'role': rejected value [null]; codes [com.torntrading.security.UserRole.role.nullable.error.com.torntrading.security.UserRole.role,com.torntrading.security.UserRole.role.nullable.error.role,com.torntrading.security.UserRole.role.nullable.error.com.torntrading.security.Role,com.torntrading.security.UserRole.role.nullable.error,userRole.role.nullable.error.com.torntrading.security.UserRole.role,userRole.role.nullable.error.role,userRole.role.nullable.error.com.torntrading.security.Role,userRole.role.nullable.error,com.torntrading.security.UserRole.role.nullable.com.torntrading.security.UserRole.role,com.torntrading.security.UserRole.role.nullable.role,com.torntrading.security.UserRole.role.nullable.com.torntrading.security.Role,com.torntrading.security.UserRole.role.nullable,userRole.role.nullable.com.torntrading.security.UserRole.role,userRole.role.nullable.role,userRole.role.nullable.com.torntrading.security.Role,userRole.role.nullable,nullable.com.torntrading.security.UserRole.role,nullable.role,nullable.com.torntrading.security.Role,nullable]; arguments [role,class com.torntrading.security.UserRole]; default message [Property [{0}] of class [{1}] cannot be null]
. Stacktrace follows:
java.lang.reflect.InvocationTargetException: null
at org.grails.core.DefaultGrailsControllerClass$ReflectionInvoker.invoke(DefaultGrailsControllerClass.java:210)
at org.grails.core.DefaultGrailsControllerClass.invoke(DefaultGrailsControllerClass.java:187)
at org.grails.web.mapping.mvc.UrlMappingsInfoHandlerAdapter.handle(UrlMappingsInfoHandlerAdapter.groovy:90)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:115)
at grails.plugin.springsecurity.web.UpdateRequestContextHolderExceptionTranslationFilter.doFilter(UpdateRequestContextHolderExceptionTranslationFilter.groovy:64)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.groovy:53)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:158)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at grails.plugin.springsecurity.web.authentication.logout.MutableLogoutFilter.doFilter(MutableLogoutFilter.groovy:62)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at grails.plugin.springsecurity.web.SecurityRequestHolderFilter.doFilter(SecurityRequestHolderFilter.groovy:58)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
at org.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:77)
at org.grails.web.filters.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:67)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: grails.validation.ValidationException: Validation Error(s) occurred during save():
- Field error in object 'com.torntrading.security.UserRole' on field 'role': rejected value [null]; codes [com.torntrading.security.UserRole.role.nullable.error.com.torntrading.security.UserRole.role,com.torntrading.security.UserRole.role.nullable.error.role,com.torntrading.security.UserRole.role.nullable.error.com.torntrading.security.Role,com.torntrading.security.UserRole.role.nullable.error,userRole.role.nullable.error.com.torntrading.security.UserRole.role,userRole.role.nullable.error.role,userRole.role.nullable.error.com.torntrading.security.Role,userRole.role.nullable.error,com.torntrading.security.UserRole.role.nullable.com.torntrading.security.UserRole.role,com.torntrading.security.UserRole.role.nullable.role,com.torntrading.security.UserRole.role.nullable.com.torntrading.security.Role,com.torntrading.security.UserRole.role.nullable,userRole.role.nullable.com.torntrading.security.UserRole.role,userRole.role.nullable.role,userRole.role.nullable.com.torntrading.security.Role,userRole.role.nullable,nullable.com.torntrading.security.UserRole.role,nullable.role,nullable.com.torntrading.security.Role,nullable]; arguments [role,class com.torntrading.security.UserRole]; default message [Property [{0}] of class [{1}] cannot be null]
at org.grails.orm.hibernate.AbstractHibernateGormInstanceApi.save(AbstractHibernateGormInstanceApi.groovy:131)
at org.grails.datastore.gorm.GormEntity$Trait$Helper.save(GormEntity.groovy:151)
at com.torntrading.security.UserController$$EQLIup0W.$tt__userroles(UserController.groovy:46)
at grails.transaction.GrailsTransactionTemplate$2.doInTransaction(GrailsTransactionTemplate.groovy:96)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)
at grails.transaction.GrailsTransactionTemplate.execute(GrailsTransactionTemplate.groovy:93)
... 37 common frames omitted
：以下のコードは、testcodeの多くが含まれており、everyhingは、私は、コンソールが実行上でこれを示し
def userroles() {
def user = User.get(params.id)
List<String> userRoles = roleNamesFromUser(user)
List<String> uRoles = roleNamesFromParams()
println(">> ROLES >>> params: "+uRoles)
println(">> ROLES >>> userRoles: "+userRoles)
for (uRole in uRoles) {
println("#### Params: "+uRole)
if (uRole in userRoles) {
println("#### Role already used: "+uRole)
} else {
println("#### userRole to be Created1: "+uRole)
def role = Role.findByAuthority(uRole)
// println("#### userRole to be Created2: "+role.authority)
// UserRole.create user, role
def ur = new UserRole(user:user, role: role).save(flush:true, failOnError:true)
println("#### Role Created: "+ur.role.authority+" - username: "+ur.user.username)
}
}
for (role in userRoles) {
if (role in uRoles) {
println("#### Role already exist: "+role)
} else {
Role.findByAuthority(uRole).delete()
println("#### Role deleted: "+role)
}
}
userRoles = roleNamesFromUser(user)
for (role in userRoles) {
println("#### After update - Role: "+role)
}
UserRole.withSession {
it.flush()
it.clear()
}
redirect action:"index"
}
protected List<String> roleNamesFromParams() {
params.keySet().findAll { it.contains('ROLE_') && params[it] == 'on' } as List
}
protected List<String> roleNamesFromUser(User user) {
def ur = user.getAuthorities().toList()
def List<String> ul = new ArrayList<String>()
def String auth
for(int i=0; i<ur.size; i++){
auth = ur[i].authority
ul.add(auth)
}
return ul
}
役割クラスからインスタンスを取得できないことを除いて仕事を探します=================================
データベースには、これを含んでいます
id version authority
1 0 ROLE_ADMIN
2 0 ROLE_USER
3 0 ROLE_SALES
4 0 ROLE_SUPPLIER
データベースロールに実際にROLE_という接頭辞が付いていますか？私はLDAPグループを作成するときにROLE_をプレフィックスにしませんが、ユーザーのロールをチェックするときにはプレフィックスを追加する必要があります。 –
はい、そうです。私の質問の一番下には、データベースからの印刷物があります。 – larand