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# 问题资料
对方提供的日志
```
正在向ibs平台获取日志下载地址：IbsSubDownloadAddrReq(cpId=80041344, startTime=Wed Feb 01 00:00:00 CST 2023, endTime=Wed Feb 01 09:13:47 CST 2023, taskId=ucb5gk2n-tlfg2277vhs4gyxsFri Sep 23 22:13:22 CST 20220, append=0) [c.c.c.d.ibs.client.IbsSubClient:getDownloadAddr:116]
[2023-02-01 11:14:47.472] [ INFO] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] 请求地址：https://ibs-uops.cdn.10086.cn:443/action?commandType=subscribeDownload&version=1 [c.c.c.d.ibs.client.IbsSubClient:getDownloadAddr:117]
[2023-02-01 11:14:47.473] [ INFO] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] K1:dayun_cdn_key [c.c.c.d.ibs.utils.HeaderUtil:getAuthorization:55]
[2023-02-01 11:14:47.474] [ INFO] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] N1:333L+1j0zeAMYZ989US0uPa5A==353M/afFlUFfnVa+1IrxLyjrw==35 [c.c.c.d.ibs.utils.HeaderUtil:getAuthorization:60]
[2023-02-01 11:14:47.474] [ INFO] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] k2:f943d71a2337af92f07484812ab8fbb01f382dda92d86e3191e9095d35c3d24e [c.c.c.d.ibs.utils.HeaderUtil:getToken:73]
[2023-02-01 11:14:47.475] [DEBUG] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] uri:/action?commandType=subscribeDownload&version=1, body:{"cp_id":"80041344","start":"2023-02-01T00:00:00+08:00","end":"2023-02-01T09:13:47+08:00","task_id":"ucb5gk2n-tlfg2277vhs4gyxsFri Sep 23 22:13:22 CST 20220","append":"0"} [c.c.c.d.ibs.utils.HeaderUtil:getToken:79]
[2023-02-01 11:14:47.475] [DEBUG] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] token:61465B6C9567007719EEF3D9E2D426EC5357357C28B9E9D350F2247FDB5EAFD6 [c.c.c.d.ibs.utils.HeaderUtil:getToken:80]
[2023-02-01 11:14:47.476] [DEBUG] [TID:Ignored_Trace] [io-18080-exec-2] [reqId-969195d71c04e8748f12a-c72d6bb2-1] authorization:333L+1j0zeAMYZ989US0uPa5A==353M/afFlUFfnVa+1IrxLyjrw==35|63D9D927|61465B6C9567007719EEF3D9E2D426EC5357357C28B9E9D350F2247FDB5EAFD6 [c.c.c.d
```
# 目前现象
在 POSTMAN 进行请求后会报鉴权不通过的问题。
# 思路
1、定位到报错的位置
2、首先请求到了 oms 系统
3、但是因为日志较少定位到报错位置为
```java
com.cmcc.cdn.platform.filter.AuthorityCheckFilter#doFilterInternal
```
4、添加日志打包到灰度环境进行处理
5、定位到问题在下方位置
![](../../../../attachment/images-uuid/1736fc3807aa42e6849af6d77416849b.png)
此处的 authentications 是在 omsTenantAuthenticationDao 中全部查出来的。
后边又进行了 ACCessKey 的 get，会报空指针。
![](../../../../attachment/images-uuid/76dc0187fc804d74b6c226429e59966e.png)
最后定位到 `oms_tenant_authentication` 表有一条脏数据的 AccessKey 的值是空的，导致此处直接空指针。