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Bug #12418

Updated by Peter Amstutz over 6 years ago

<pre> 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr Unexpected error from fs_access 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr Traceback (most recent call last): 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr     File "/usr/lib/python2.7/dist-packages/cwltool/draft2tool.py", line 578, in collect_output 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr       prefix = fs_access.glob(outdir) 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr     File "/usr/lib/python2.7/dist-packages/arvados_cwl/fsaccess.py", line 86, in glob 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr       patternsegments = rest.split("/") 
 2017-10-08_14:17:52 e51c5-8i9sb-xo9w8fidi304bcv 6764 0 stderr AttributeError: 'NoneType' object has no attribute 'split' 
 </pre> 

 The output collection is empty, so bool("collection") == False, as a result it doesn't exit early, however, because "rest" is None, it crashes on the next line. 

 <pre> 
         if collection and not rest: 
             return [pattern] 
         patternsegments = rest.split("/") 
 </pre> 

 Should be using @collection is not None@ 

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