java.lang.NoSuchFieldError：在Tomcat上部署shiro时出现subjectDAO异常

时间：2013-01-22 16:09:13

标签： tomcat shiro

我是shiro的新手，我正在尝试使用在Tomcat上运行的Web应用程序。我在web.xml中的shiro特定配置如下：

<listener>
    <listener-class>org.apache.shiro.web.env.EnvironmentLoaderListener</listener-class>
</listener>
<filter>
    <filter-name>ShiroFilter</filter-name>
    <filter-class>org.apache.shiro.web.servlet.IniShiroFilter</filter-class>
     <!-- no init-param means load the INI config from classpath:shiro.ini --> 
</filter>

<filter-mapping>
    <filter-name>ShiroFilter</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher> 
    <dispatcher>FORWARD</dispatcher> 
    <dispatcher>INCLUDE</dispatcher> 
    <dispatcher>ERROR</dispatcher>
</filter-mapping>

我的shiro.ini如下所示：

[main]
credentialsMatcher = org.apache.shiro.authc.credential.HashedCredentialsMatcher
credentialsMatcher.hashAlgorithmName = SHA-256
credentialsMatcher.storedCredentialsHexEncoded = false
credentialsMatcher.hashIterations = 1024
localRealm = com.stratus.avance.multisite.services.ShiroMongoRealm
localRealm.credentialsMatcher = $credentialsMatcher
securityManager.realms = $localRealm
[urls]
/** = anon

我在部署应用程序时看到以下异常

INFO: Initializing Shiro environment
Jan 22, 2013 3:40:32 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of class     org.apache.shiro.web.env.EnvironmentLoaderListener
java.lang.NoSuchFieldError: subjectDAO
    at org.apache.shiro.web.mgt.DefaultWebSecurityManager.<init>(DefaultWebSecurityManager.java:72)
    at org.apache.shiro.web.config.WebIniSecurityManagerFactory.createDefaultInstance(WebIniSecurityManagerFactory.java:65)
    at org.apache.shiro.config.IniSecurityManagerFactory.createDefaults(IniSecurityManagerFactory.java:155)
    at org.apache.shiro.web.config.WebIniSecurityManagerFactory.createDefaults(WebIniSecurityManagerFactory.java:71)
    at org.apache.shiro.config.IniSecurityManagerFactory.createSecurityManager(IniSecurityManagerFactory.java:118)
    at org.apache.shiro.config.IniSecurityManagerFactory.createSecurityManager(IniSecurityManagerFactory.java:97)
    at org.apache.shiro.config.IniSecurityManagerFactory.createInstance(IniSecurityManagerFactory.java:83)
    at org.apache.shiro.config.IniSecurityManagerFactory.createInstance(IniSecurityManagerFactory.java:41)
    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:226)
    at org.apache.shiro.web.env.EnvironmentLoader.initEnvironment(EnvironmentLoader.java:138)
    at org.apache.shiro.web.env.EnvironmentLoaderListener.contextInitialized(EnvironmentLoaderListener.java:58)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:618)
    at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:963)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:537)
    at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1468)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:791)
    at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1436)
    at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:673)
    at org.apache.catalina.manager.ManagerServlet.doPut(ManagerServlet.java:431)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:644)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    at java.lang.Thread.run(Thread.java:722)

我不明白这个例外，因为subjectDAO显然是DefaultSecurityManager类的一个定义字段。我错过了什么？

1 个答案:

答案 0 :(得分：1)

此异常表明您在webapp的运行时类路径中有多个不兼容的版本Shiro JAR文件。浏览webapp的运行时类路径所覆盖的所有文件夹（至少是webapp的/WEB-INF/lib，Tomcat的/lib，JRE的/lib和/lib/ext）并确保您只有一个和同一个在一个地方和正确的地方（/WEB-INF/lib）。

就目前而言，当手动摆弄构建路径而不依赖于例如Maven时，它应该suffice仅删除{strong> shiro-all.jar {{3}} {{3}} 1}}。没有其他与Shiro相关的JAR是必要的（当然，期待Commons BeanUtils）。如果您需要最少的库代码，请转到两个JAR文件/WEB-INF/lib和shiro-core.jar。其他人没有必要。请注意，您不应将其中任何一个与shiro-web.jar混合。

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