[GitHub] zentol closed pull request #7133: [FLINK-10916] [DataStream API] Include duplicated user-specified uid into error message

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zentol closed pull request #7133: [FLINK-10916] [DataStream API] Include duplicated user-specified uid into error message
URL: https://github.com/apache/flink/pull/7133
 
 
   

This is a PR merged from a forked repository.
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As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphHasherV2.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphHasherV2.java
index d7c51bcbdeb..a87f49fc7b8 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphHasherV2.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphHasherV2.java
@@ -177,7 +177,8 @@ private boolean generateNodeHash(
 
 			for (byte[] previousHash : hashes.values()) {
 				if (Arrays.equals(previousHash, hash)) {
-					throw new IllegalArgumentException("Hash collision on user-specified ID. " +
+					throw new IllegalArgumentException("Hash collision on user-specified ID " +
+							"\"" + userSpecifiedHash + "\". " +
 							"Most likely cause is a non-unique ID. Please check that all IDs " +
 							"specified via `uid(String)` are unique.");
 				}


 

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