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问答 Unable to instantiate class [io.nutz.demo.Realm.SimpleAuthorizingRealm]
发布于 2356天前 作者 yy321973351 1577 次浏览 复制 上一个帖子 下一个帖子
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org.apache.shiro.config.ConfigurationException: Unable to instantiate class [io.nutz.demo.Realm.SimpleAuthorizingRealm] for object named 'nutzdao_realm'. Please ensure you've specified the fully qualified class name correctly.
at org.apache.shiro.config.ReflectionBuilder.createNewInstance(ReflectionBuilder.java:309)
at org.apache.shiro.config.ReflectionBuilder$InstantiationStatement.doExecute(ReflectionBuilder.java:927)
at org.apache.shiro.config.ReflectionBuilder$Statement.execute(ReflectionBuilder.java:887)
at org.apache.shiro.config.ReflectionBuilder$BeanConfigurationProcessor.execute(ReflectionBuilder.java:765)
at org.apache.shiro.config.ReflectionBuilder.buildObjects(ReflectionBuilder.java:260)
at org.apache.shiro.config.IniSecurityManagerFactory.buildInstances(IniSecurityManagerFactory.java:167)
at org.apache.shiro.config.IniSecurityManagerFactory.createSecurityManager(IniSecurityManagerFactory.java:130)
at org.apache.shiro.config.IniSecurityManagerFactory.createSecurityManager(IniSecurityManagerFactory.java:108)
at org.apache.shiro.config.IniSecurityManagerFactory.createInstance(IniSecurityManagerFactory.java:94)
at org.apache.shiro.config.IniSecurityManagerFactory.createInstance(IniSecurityManagerFactory.java:46)
at org.apache.shiro.config.IniFactorySupport.createInstance(IniFactorySupport.java:123)
at org.apache.shiro.util.AbstractFactory.getInstance(AbstractFactory.java:47)
at org.apache.shiro.web.env.IniWebEnvironment.createWebSecurityManager(IniWebEnvironment.java:203)
at org.apache.shiro.web.env.IniWebEnvironment.configure(IniWebEnvironment.java:99)
at org.apache.shiro.web.env.IniWebEnvironment.init(IniWebEnvironment.java:92)
at org.apache.shiro.util.LifecycleUtils.init(LifecycleUtils.java:45)
at org.apache.shiro.util.LifecycleUtils.init(LifecycleUtils.java:40)
at org.apache.shiro.web.env.EnvironmentLoader.createEnvironment(EnvironmentLoader.java:221)
at org.apache.shiro.web.env.EnvironmentLoader.initEnvironment(EnvironmentLoader.java:133)
at org.apache.shiro.web.env.EnvironmentLoaderListener.contextInitialized(EnvironmentLoaderListener.java:58)
at org.nutz.boot.starter.shiro.NbShiroEnvironmentLoaderListener.contextInitialized(NbShiroEnvironmentLoaderListener.java:33)
at org.nutz.boot.starter.servlet3.NbServletContextListener.lambda$contextInitialized$1(NbServletContextListener.java:77)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.nutz.boot.starter.servlet3.NbServletContextListener.contextInitialized(NbServletContextListener.java:72)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4790)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5256)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1421)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1411)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.shiro.util.InstantiationException: Unable to instantiate class [io.nutz.demo.Realm.SimpleAuthorizingRealm]
at org.apache.shiro.util.ClassUtils.newInstance(ClassUtils.java:183)
at org.apache.shiro.util.ClassUtils.newInstance(ClassUtils.java:168)
at org.apache.shiro.config.ReflectionBuilder.createNewInstance(ReflectionBuilder.java:302)
... 32 more
Caused by: java.lang.InstantiationException: io.nutz.demo.Realm.SimpleAuthorizingRealm
at java.lang.Class.newInstance(Class.java:427)
at org.apache.shiro.util.ClassUtils.newInstance(ClassUtils.java:181)
... 34 more
Caused by: java.lang.NoSuchMethodException: io.nutz.demo.Realm.SimpleAuthorizingRealm.()
at java.lang.Class.getConstructor0(Class.java:3082)
at java.lang.Class.newInstance(Class.java:412)
... 35 more

3 回复
nutzdao_realm = io.nutz.demo.Realm.SimpleAuthorizingRealm
authc = org.nutz.integration.shiro.SimpleAuthenticationFilter
authc.loginUrl  = /
logout.redirectUrl= /
package io.nutz.demo.Realm;

import io.nutz.demo.bean.lx1.TbUser;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAccount;
import org.apache.shiro.authc.credential.CredentialsMatcher;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.cache.CacheManager;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.nutz.dao.Dao;
import org.nutz.integration.shiro.SimpleShiroToken;
import org.nutz.mvc.Mvcs;

/**
 * Created by Administrator on 2018/6/2.
 */

public class SimpleAuthorizingRealm extends AuthorizingRealm {
    protected Dao dao;


    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {

        return null;
    }

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
         Integer id = (Integer) token.getPrincipal();
        System.out.println(id);
        TbUser tbUser=dao.fetch(TbUser.class,id);
        return tbUser!=null? new SimpleAccount(tbUser.getId(), tbUser.getPassword(), getName()):null ;
    }
    public Dao dao() {
        if (dao == null) {
            dao = Mvcs.ctx().getDefaultIoc().get(Dao.class, "dao");
            return dao;
        }
        return dao;
    }

    public void setDao(Dao dao) {
        this.dao = dao;
    }

    public SimpleAuthorizingRealm(CacheManager cacheManager, CredentialsMatcher matcher) {
        super(cacheManager, matcher);
        setAuthenticationTokenClass(SimpleShiroToken.class); // 非常非常重要,与SecurityUtils.getSubject().login是对应关系!!!
    }


}

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