cas统一认证报500错误
cas统一验证的时候报错，请高手指点
服务器内部错误，你需要查看服务器程序日志
2016-01-13 17:45:48,026 INFO [org.jasig.cas.CentralAuthenticationServiceImpl] - ServiceTicket [ST-365-Nt3n95cQaTM5t6CYG5zr-cas01.example.org] does not exist.
2016-01-13 17:45:48,026 INFO [com.github.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - Audit trail record BEGIN
WHO: audit:unknown
WHAT: ST-365-Nt3n95cQaTM5t6CYG5zr-cas01.example.org
ACTION: SERVICE_TICKET_VALIDATE_FAILED
APPLICATION: CAS
WHEN: Wed Jan 13 17:45:48 CST 2016
CLIENT IP ADDRESS: 172.16.32.16
SERVER IP ADDRESS: 172.16.20.100
2016-01-13 17:45:59,602 INFO [org.jasig.cas.CentralAuthenticationServiceImpl] - Granted service ticket [ST-366-2qavfCW3jb0HTGXdYz15-cas01.example.org] for service [http://localhost:8080/zgcsx] for user [3101120901120120105]
2016-01-13 17:45:59,617 INFO [com.github.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - Audit trail record BEGIN
WHO: 3101120901120120105
WHAT: ST-366-2qavfCW3jb0HTGXdYz15-cas01.example.org for http://localhost:8080/zgcsx
ACTION: SERVICE_TICKET_CREATED
APPLICATION: CAS
WHEN: Wed Jan 13 17:45:59 CST 2016
CLIENT IP ADDRESS: 172.16.32.16
SERVER IP ADDRESS: 172.16.20.100
2016-01-13 17:45:59,633 INFO [com.github.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - Audit trail record BEGIN
WHO: audit:unknown
WHAT: ST-366-2qavfCW3jb0HTGXdYz15-cas01.example.org
ACTION: SERVICE_TICKET_VALIDATED
APPLICATION: CAS
WHEN: Wed Jan 13 17:45:59 CST 2016
CLIENT IP ADDRESS: 172.16.32.16
SERVER IP ADDRESS: 172.16.20.100
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
SERVER IP ADDRESS: 172.16.20.100
2016-01-13 17:47:09,318 INFO [org.jasig.cas.CentralAuthenticationServiceImpl] - Granted service ticket [ST-367-pJFvBbSqMcqK3zKzNg1R-cas01.example.org] for service [http://localhost:8080/zgcsx] for user [10251]
2016-01-13 17:47:09,318 INFO [com.github.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - Audit trail record BEGIN
WHO: 10251
WHAT: ST-367-pJFvBbSqMcqK3zKzNg1R-cas01.example.org for http://localhost:8080/zgcsx
ACTION: SERVICE_TICKET_CREATED
APPLICATION: CAS
WHEN: Wed Jan 13 17:47:09 CST 2016
CLIENT IP ADDRESS: 172.16.32.16
SERVER IP ADDRESS: 172.16.20.100
2016-01-13 17:47:09,349 INFO [com.github.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - Audit trail record BEGIN
WHO: audit:unknown
WHAT: ST-367-pJFvBbSqMcqK3zKzNg1R-cas01.example.org
ACTION: SERVICE_TICKET_VALIDATED
APPLICATION: CAS
WHEN: Wed Jan 13 17:47:09 CST 2016
CLIENT IP ADDRESS: 172.16.32.16
SERVER IP ADDRESS: 172.16.20.100
SERVICE_TICKET_VALIDATE_FAILED
不知道怎么验证票据的时候失败了，有碰到过吗
参考cas错误:org.jasig.cas.client.validation.TicketValidationException: No principal was found in the response from the CAS server.
看看你的web.xml配置设置是不是也有相同的问题
```不是这个问题 ，我试过了 不行
我直接访问验证票据的url，结果出现这种
这次搭建的时候没有用ssl协议，直接用的是http，有没有碰到这种问题。