请教acegi的 SecurityContextHolder.getContext();取值为空的问题

xueqier 2007-01-19 05:44:49
在使用acegi时,登录取得登录用户信息时取得的值为null


代码
public TUser getUser()
{
//取得登录用户
SecurityContext ctx = SecurityContextHolder.getContext();
Authentication auth = ctx.getAuthentication();
if(auth.getPrincipal() instanceof UserDetails)
{
user = (TUser)auth.getPrincipal();
//log.debug("\nauth.getPrincipal()==============\n"+user.getUserid());
}

return user;
}



代码
java.lang.NullPointerException
com.firedragon.struts.base.action.BaseDispatchAction.getUser(BaseDispatchAction.java:125)


可是从DEBUG的信息来看


代码
[2007-01-17 23:51:32]DEBUG org.springframework.web.context.support.XmlWebApplicationContext(line:215) -Publishing event in context [Root WebApplicationContext]: org.acegisecurity.event.authentication.AuthenticationSuccessEvent[source=org.acegisecurity.providers.UsernamePasswordAuthenticationToken@aaf3d2: Username: com.firedragon.hibernate.model.TUser@ba2b6b[用户名:=admin, enabled:=true, accountExpired:=true, credentialsExpired:=true, accountLocked:=true,受权角色: ,ROLE_11]; Password: [PROTECTED]; Authenticated: true; Details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8; Granted Authorities: ROLE_11]

[2007-01-17 23:51:32]WARN org.acegisecurity.event.authentication.LoggerListener(line:60) -Authentication event AuthenticationSuccessEvent: admin; details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8

[2007-01-17 23:51:32]DEBUG org.acegisecurity.ui.AbstractProcessingFilter(line:392) -Authentication success: org.acegisecurity.providers.UsernamePasswordAuthenticationToken@aaf3d2: Username: com.firedragon.hibernate.model.TUser@ba2b6b[用户名:=admin, enabled:=true, accountExpired:=true, credentialsExpired:=true, accountLocked:=true,受权角色: ,ROLE_11]; Password: [PROTECTED]; Authenticated: true; Details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8; Granted Authorities: ROLE_11

[2007-01-17 23:51:32]DEBUG org.acegisecurity.ui.AbstractProcessingFilter(line:398) -Updated SecurityContextHolder to contain the following Authentication: 'org.acegisecurity.providers.UsernamePasswordAuthenticationToken@aaf3d2: Username: com.firedragon.hibernate.model.TUser@ba2b6b[用户名:=admin, enabled:=true, accountExpired:=true, credentialsExpired:=true, accountLocked:=true,受权角色: ,ROLE_11]; Password: [PROTECTED]; Authenticated: true; Details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8; Granted Authorities: ROLE_11'

[2007-01-17 23:51:32]DEBUG org.acegisecurity.ui.AbstractProcessingFilter(line:416) -Redirecting to target URL from HTTP Session (or default): /News/main.html
[2007-01-17 23:51:32]DEBUG org.springframework.web.context.support.XmlWebApplicationContext(line:215) -Publishing event in context [Root WebApplicationContext]: org.acegisecurity.event.authentication.InteractiveAuthenticationSuccessEvent[source=org.acegisecurity.providers.UsernamePasswordAuthenticationToken@aaf3d2: Username: com.firedragon.hibernate.model.TUser@ba2b6b[用户名:=admin, enabled:=true, accountExpired:=true, credentialsExpired:=true, accountLocked:=true,受权角色: ,ROLE_11]; Password: [PROTECTED]; Authenticated: true; Details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8; Granted Authorities: ROLE_11]

[2007-01-17 23:51:32]WARN org.acegisecurity.event.authentication.LoggerListener(line:60) -Authentication event InteractiveAuthenticationSuccessEvent: admin; details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8

[2007-01-17 23:51:32]DEBUG org.acegisecurity.context.HttpSessionContextIntegrationFilter(line:276)<span style="color:red;">--------SecurityContext stored to HttpSession------</span>: 'org.acegisecurity.context.SecurityContextImpl@aaf3d2: Authentication: org.acegisecurity.providers.UsernamePasswordAuthenticationToken@aaf3d2: Username: com.firedragon.hibernate.model.TUser@ba2b6b[用户名:=admin, enabled:=true, accountExpired:=true, credentialsExpired:=true, accountLocked:=true,受权角色: ,ROLE_11]; Password: [PROTECTED]; Authenticated: true; Details: org.acegisecurity.ui.WebAuthenticationDetails@16d8a64: RemoteIpAddress: 127.0.0.1; SessionId: 8AECD601C138A1E87458F770333028E8; Granted Authorities: ROLE_11'

[2007-01-17 23:51:32]DEBUG org.acegisecurity.context.HttpSessionContextIntegrationFilter(line:285) <span style="color:red;">-------SecurityContextHolder set to new context-----</span>, as request processing completed


-------SecurityContext stored to HttpSession------
------SecurityContextHolder set to new context----
上面这里应该把用户信息放到session里去了,请教什么地方出来问题可能导致取不到值?
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