The Perforce plugin now seems to append the "tail" of the depot path to the client root when auto-generating a client specification. Example:
When syncing, the following client spec view is generated (seen from build console):
Previously (pre-1.0.16) the following was generated:
This behaviour causes all files within the project to end up under e.g. "C:\hudson-inst\jobs\foobar\workspace\projects\foobar\main".