Catch possible NPE in FileSupport.delete()


For some reason we got an NPE here:

In this code in FileSupport.delete()

it appears that children is null, which can happen:

if the file is not a directory (possibly a race condition where the directory has just been deleted) or an I/O error occurs.

Either way, as failing to delete a directory is relatively harmless, we should check for NPE there rather than let the workflow fail as a result.

Fixed and reviewed
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Stephen Marquard


Stephen Marquard