Luke Cwik created BEAM-10266:
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             Summary: Pipeline proto seems to be incorrect for 
Combine.GroupedValues
                 Key: BEAM-10266
                 URL: https://issues.apache.org/jira/browse/BEAM-10266
             Project: Beam
          Issue Type: Sub-task
          Components: runner-dataflow, sdk-java-core
            Reporter: Luke Cwik


It looks like CombineTest$BasicTests#testHotKeyCombining on Dataflow (and 
possibly other runners) is creating an invalid pipeline proto since the 
transform doesn't an environment (and possible a spec):
{noformat}
I0610 16:05:23.791430   14054 fnapi_instruction_graph_rewriter.cc:230]   
transforms {
I0610 16:05:23.791402   14054 fnapi_instruction_graph_rewriter.cc:230]     key: 
"HotMean/PostCombine/Combine.GroupedValues"
I0610 16:05:23.791404   14054 fnapi_instruction_graph_rewriter.cc:230]     
value {
I0610 16:05:23.791406   14054 fnapi_instruction_graph_rewriter.cc:230]       
inputs {
I0610 16:05:23.791408   14054 fnapi_instruction_graph_rewriter.cc:230]         
key: "org.apache.beam.sdk.values.PCollection.<init>:400#56b99bb29b40d50c"
I0610 16:05:23.791410   14054 fnapi_instruction_graph_rewriter.cc:230]         
value: "HotMean/PostCombine/GroupByKey.out"
I0610 16:05:23.791412   14054 fnapi_instruction_graph_rewriter.cc:230]       }
I0610 16:05:23.791414   14054 fnapi_instruction_graph_rewriter.cc:230]       
outputs {
I0610 16:05:23.791416   14054 fnapi_instruction_graph_rewriter.cc:230]         
key: "org.apache.beam.sdk.values.PCollection.<init>:400#4fa4d31096ca160c"
I0610 16:05:23.791419   14054 fnapi_instruction_graph_rewriter.cc:230]         
value: 
"HotMean/PostCombine/Combine.GroupedValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output"
I0610 16:05:23.791421   14054 fnapi_instruction_graph_rewriter.cc:230]       }
I0610 16:05:23.791423   14054 fnapi_instruction_graph_rewriter.cc:230]       
unique_name: "HotMean/PostCombine/Combine.GroupedValues"
I0610 16:05:23.791426   14054 fnapi_instruction_graph_rewriter.cc:230]     }
I0610 16:05:23.791428   14054 fnapi_instruction_graph_rewriter.cc:230]   
}{noformat}



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