你这个是新版本吧,IBM的建议
1. Add an access account to the dynamic cube data source
1. Navigate to IBM Cognos Administration --> Configuration --> Data Source Connections
2. Identify the dynamic cube data source and access it\'s properties.
3. From the \"Set properties\" page, click on \"Select the access account...\" and select a user from the third party namespace.
2. Create a credential for the data source access account user
1. Log in as the user who holds the access account, and go to My Preferences --> Personal.
2. In the Credentials section, you will see text that says \"Specify the users, groups or roles that can use the credentials to run activities.\" After that will be a hyperlink, \"First, you must create the credentials. \" (If the text says \"You can also renew the credentials. Renew the credentials\", that means you already have a valid credential)
3. After clicking the hyperlink, the page will refresh and your credentials will be displayed.
感觉说的对啊 ,你可以尝试把java里面的用户组加到数据源中