[Swift-user] coaster workflow hangs then dies

[Neil Best]

Please take a look at login.ci:~nbest/bigdata/files/ 
mcd12q1-20100310-1227-6gy82bq0.stdout and associated files.  There are  
some exceptions in middle of the .stdout abd then it appears to fail  
at the end:

Progress:  Selecting site:3519  Stage in:70  Stage out:26  Finished  
successfully:189
Progress:  Selecting site:3519  Stage in:69  Submitting:1  Stage out: 
26  Finished successfully:189
Progress:  Selecting site:3519  Stage in:67  Active:2  Checking status: 
1  Stage out:26  Finished successfully:189
Cleaning up...
Shutdown failed after 5 minutes. Forcefully shutting down
Progress:Progress:Shutting down service at https://192.5.86.6:51333
   Selecting site:3519  Selecting site:3519  Stage in:60  Stage in:61   
Submitting:3Got channel MetaChannel: 1626091176 -> null  Submitting:2
   Checking status:5  Stage out:28  Checking status:5  Stage out:28   
Finished successfully:189
   Finished successfully:189
Progress:  Selecting site:3519  Stage in:61  Submitting:2  Active:1   
Checking status:4  Stage out:28  Finished successfully:189
Progress:  Selecting site:3519  Stage in:61  Submitting:2  Active:2   
Checking status:4  Stage out:27  Finished successfully:189
Progress:  Selecting site:3519  Stage in:61  Submitting:3  Active:2   
Checking status:3  Stage out:27  Finished successfully:189
Progress:  Selecting site:3519  Stage in:65  Submitting:1  Checking  
status:3  Stage out:27  Finished successfully:189
Progress:  Selecting site:3519  Stage in:66  Checking status:3  Stage  
out:27  Finished successfully:189
Progress:  Selecting site:3519  Stage in:67  Checking status:2  Stage  
out:27  Finished successfully:189
Progress:  Selecting site:3519  Stage in:50  Submitting:13  Checking  
status:5  Stage out:28  Finished successfully:189
+ Done


Can anyone tell me what might be the cause of this?