Add check for null project

Author: ahornace

src/org/opensolaris/opengrok/web/api/v1/controller/ProjectsController.java

@@ -210,6 +210,7 @@ public void markIndexed(@PathParam("project") final String projectName) throws E
                     }
                 }
             }
+            SuggesterServiceFactory.getDefault().refresh(projectName);
         } else {
             logger.log(Level.WARNING, "cannot find project {0} to mark as indexed", projectName);
         }
@@ -219,8 +220,6 @@ public void markIndexed(@PathParam("project") final String projectName) throws E
         env.maybeRefreshIndexSearchers(Collections.singleton(projectName));
 
         env.refreshDateForLastIndexRun();
-
-        SuggesterServiceFactory.getDefault().refresh(projectName);
     }
 
     @PUT

src/org/opensolaris/opengrok/web/suggester/provider/service/impl/SuggesterServiceImpl.java

@@ -169,6 +169,10 @@ public void refresh(final String project) {
         Configuration config = env.getConfiguration();
 
         Project p = config.getProjects().get(project);
+        if (p == null) {
+            logger.log(Level.WARNING, "Cannot refresh suggester because project for name {0} was not found", project);
+            return;
+        }
         suggester.rebuild(Collections.singletonList(Paths.get(config.getDataRoot(), IndexDatabase.INDEX_DIR, p.getPath())));
     }