[beam] branch master updated: Include name of missing tag in error message.

[ib...@apache.org]

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ibzib pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/beam.git


The following commit(s) were added to refs/heads/master by this push:
     new e056d73  Include name of missing tag in error message.
     new 25e6008  Merge pull request #16175 from ibzib/tag-name
e056d73 is described below

commit e056d73ca8d8f0bab6d0439bfc5f498081319976
Author: Kyle Weaver <kc...@google.com>
AuthorDate: Wed Dec 8 14:16:33 2021 -0800

    Include name of missing tag in error message.
---
 .../src/main/java/org/apache/beam/sdk/values/PCollectionTuple.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sdks/java/core/src/main/java/org/apache/beam/sdk/values/PCollectionTuple.java b/sdks/java/core/src/main/java/org/apache/beam/sdk/values/PCollectionTuple.java
index fef7a01..178644c 100644
--- a/sdks/java/core/src/main/java/org/apache/beam/sdk/values/PCollectionTuple.java
+++ b/sdks/java/core/src/main/java/org/apache/beam/sdk/values/PCollectionTuple.java
@@ -221,7 +221,8 @@ public class PCollectionTuple implements PInput, POutput {
     @SuppressWarnings("unchecked")
     PCollection<T> pcollection = (PCollection<T>) pcollectionMap.get(tag);
     if (pcollection == null) {
-      throw new IllegalArgumentException("TupleTag not found in this PCollectionTuple tuple");
+      throw new IllegalArgumentException(
+          String.format("TupleTag %s not found in this PCollectionTuple tuple", tag));
     }
     return pcollection;
   }