X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/987c225f9f6845868ee674902090c27a5a064f42..4b88dab6ed8e3b583f0e4c1ea8b8e01adad4a6ad:/sdk/cli/bin/arv-run-pipeline-instance

diff --git a/sdk/cli/bin/arv-run-pipeline-instance b/sdk/cli/bin/arv-run-pipeline-instance
index b70fd7dad6..63313fc808 100755
--- a/sdk/cli/bin/arv-run-pipeline-instance
+++ b/sdk/cli/bin/arv-run-pipeline-instance
@@ -445,6 +445,9 @@ class WhRunPipelineInstance
         if value.nil? and
             ![false,'false',0,'0'].index parameter[:required]
           if parameter[:output_of]
+            if not @components[parameter[:output_of].intern]
+              errors << [componentname, parametername, "output_of refers to nonexistent component '#{parameter[:output_of]}'"]
+            end
             next
           end
           errors << [componentname, parametername, "required parameter is missing"]