Cast key to String

jenkinsci · Feb 19, 2020 · 8d385a2 · 8d385a2
1 parent 4f52a0f
commit 8d385a2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/jenkinsci/plugins/workflow/steps/EnvStep.java b/src/main/java/org/jenkinsci/plugins/workflow/steps/EnvStep.java
@@ -178,7 +178,7 @@ public Map<String, Object> customInstantiate(@NonNull Map<String, Object> argume
 
         private static List<String> toKeyValueList(Map<?, ?> map) {
             return map.entrySet().stream()
-                .map(m -> m.getKey() + "=" + (m.getValue() == null ? "" : m.getValue().toString()))
+                .map(m -> (String) m.getKey() + "=" + (m.getValue() == null ? "" : m.getValue().toString()))
                 .collect(Collectors.toList());
         }
     }