[GitHub] nwangtw commented on a change in pull request #3095: [Java Streamlet API] Extend validations

[GitBox <gi...@apache.org>]

nwangtw commented on a change in pull request #3095: [Java Streamlet API] Extend validations
URL: https://github.com/apache/incubator-heron/pull/3095#discussion_r228987303
 
 

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 File path: heron/api/src/java/org/apache/heron/streamlet/impl/StreamletImpl.java
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 @@ -216,7 +216,7 @@ protected StreamletImpl() {
 
   public void build(TopologyBuilder bldr, Set<String> stageNames) {
     if (built) {
-      throw new RuntimeException("Logic Error While building " + getName());
+      throw new RuntimeException("Logic Error While building stage: " + getName());
 
 Review comment:
   why "stage"? 

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