The sign up form will tell you whether the userid you've chosen is already taken.
Specify a valid userid and password to permit the adapter to connect to the workflow system.
I always try to use the same userid but it's not available on every new site I sign up for.
这次，选择userid属*，然后单击每个对话框上的OK，关闭这些对话框。
Since our runtime cannot determine the userid and password that is used in HTTP authentication, we cannot use this to connect to the database.
