X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/386e1eefaac2021805f73732b10e9f543c221593..58c6f3aa42f4f30fc4a764ca56ab1a198754b69b:/sdk/cwl/arvados_cwl/arvdocker.py?ds=inline

diff --git a/sdk/cwl/arvados_cwl/arvdocker.py b/sdk/cwl/arvados_cwl/arvdocker.py
index 6b736a5a7d..0513ca02ec 100644
--- a/sdk/cwl/arvados_cwl/arvdocker.py
+++ b/sdk/cwl/arvados_cwl/arvdocker.py
@@ -44,7 +44,10 @@ def arv_docker_get_image(api_client, dockerRequirement, pull_image, project_uuid
 
         if not images:
             # Fetch Docker image if necessary.
-            cwltool.docker.get_image(dockerRequirement, pull_image)
+            try:
+                cwltool.docker.get_image(dockerRequirement, pull_image)
+            except OSError as e:
+                raise WorkflowException("While trying to get Docker image '%s', failed to execute 'docker': %s" % (dockerRequirement["dockerImageId"], e))
 
             # Upload image to Arvados
             args = []