1 files changed, 27 insertions, 7 deletions

diff --git a/lib/gitlab/bitbucket_import/importer.rb b/lib/gitlab/bitbucket_import/importer.rb
index d8a7d29f1bf..2355b3c6ddc 100644
--- a/lib/gitlab/bitbucket_import/importer.rb
+++ b/lib/gitlab/bitbucket_import/importer.rb
@@ -20,8 +20,18 @@ module Gitlab
         #Issues && Comments
         issues = client.issues(project_identifier)
 
-        issues["issues"].each do |issue|
-          body = @formatter.author_line(issue["reported_by"]["username"], issue["content"])
+        issues.each do |issue|
+          body = ''
+          reporter = nil
+          author = 'Anonymous'
+
+          if issue["reported_by"] && issue["reported_by"]["username"]
+            reporter = issue["reported_by"]["username"]
+            author = reporter
+          end
+
+          body = @formatter.author_line(author)
+          body += issue["content"]
 
           comments = client.issue_comments(project_identifier, issue["local_id"])
 
@@ -30,14 +40,20 @@ module Gitlab
           end
 
           comments.each do |comment|
-            body += @formatter.comment(comment["author_info"]["username"], comment["utc_created_on"], comment["content"])
+            author = 'Anonymous'
+
+            if comment["author_info"] && comment["author_info"]["username"]
+              author = comment["author_info"]["username"]
+            end
+
+            body += @formatter.comment(author, comment["utc_created_on"], comment["content"])
           end
 
           project.issues.create!(
             description: body,
             title: issue["title"],
             state: %w(resolved invalid duplicate wontfix).include?(issue["status"]) ? 'closed' : 'opened',
-            author_id: gl_user_id(project, issue["reported_by"]["username"])
+            author_id: gl_user_id(project, reporter)
           )
         end
 
@@ -47,9 +63,13 @@ module Gitlab
       private
 
       def gl_user_id(project, bitbucket_id)
-        user = User.joins(:identities).find_by("identities.extern_uid = ? AND identities.provider = 'bitbucket'", bitbucket_id.to_s)
-        (user && user.id) || project.creator_id
-      end
+        if bitbucket_id
+          user = User.joins(:identities).find_by("identities.extern_uid = ? AND identities.provider = 'bitbucket'", bitbucket_id.to_s)
+          (user && user.id) || project.creator_id
+        else
+          project.creator_id
+        end
+       end
     end
   end
 end