Having the same issue here. Running dMaintenance on about 50 computers and about 15 of them fail the Java install every week.
Manually installed Java but it failed again the next time. It has also failed on the download before.
Verifying Java Download URL And Size
Successfully Verified Java Download URL And Size
Downloading Java Update (30.25 MB)
Java Downloaded Successfully
Installing Java Please Wait
Update Failed Exit Code 1619
Manually installed Java but it failed again the next time. It has also failed on the download before.
Verifying Java Download URL And Size
Successfully Verified Java Download URL And Size
Downloading Java Update (30.25 MB)
Java Downloaded Successfully
Installing Java Please Wait
Update Failed Exit Code 1619