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https://issues.apache.org/jira/browse/BEAM-11066?focusedWorklogId=501210&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-501210
]
ASF GitHub Bot logged work on BEAM-11066:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Oct/20 18:04
Start Date: 15/Oct/20 18:04
Worklog Time Spent: 10m
Work Description: kennknowles commented on a change in pull request
#13114:
URL: https://github.com/apache/beam/pull/13114#discussion_r505737932
##########
File path: examples/java/src/main/java/org/apache/beam/examples/WordCount.java
##########
@@ -180,8 +181,11 @@ static void runWordCount(WordCountOptions options) {
p.apply("ReadLines", TextIO.read().from(options.getInputFile()))
.apply(new CountWords())
.apply(MapElements.via(new FormatAsTextFn()))
- .apply("WriteCounts", TextIO.write().to(options.getOutput()));
-
+ .apply(
+ "WriteCounts",
+ options.as(StreamingOptions.class).isStreaming()
Review comment:
Yea it is hard to keep the ordering correct. I have some troubles with
it all. We probably need to have a bigger plan for ordering them. Or, we could
just apply them over and over until it stops... (or times out)
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Issue Time Tracking
-------------------
Worklog Id: (was: 501210)
Time Spent: 50m (was: 40m)
> DataflowRunner crashes during graph rewrites of Java wordcount example with
> beam_fn_api experiment
> --------------------------------------------------------------------------------------------------
>
> Key: BEAM-11066
> URL: https://issues.apache.org/jira/browse/BEAM-11066
> Project: Beam
> Issue Type: Bug
> Components: runner-dataflow
> Reporter: Yichi Zhang
> Priority: P2
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Looks like the TextIO.write() is not properly writing windowed output in
> streaming mode.
>
> {{Exception in thread "main" java.lang.IllegalStateException: Found nodes
> that matched overrides. Matches:
> \{Node{fullName=WriteCounts/WriteFiles/GatherTempFileResults/Reify.ReifyViewInGlobalWindow/Create.Values}=[PTransformOverride\{matcher=EqualClassPTransformMatcher{class=class
> org.apache.beam.sdk.transforms.Create$Values},
> overrideFactory=org.apache.beam.runners.dataflow.DataflowRunner$StreamingFnApiCreateOverrideFactory@62923ee6}]}
> at
> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkState(Preconditions.java:588)
> at
> org.apache.beam.sdk.Pipeline$1.leaveCompositeTransform(Pipeline.java:237)
> at
> org.apache.beam.sdk.runners.TransformHierarchy$Node.visit(TransformHierarchy.java:661)
> at
> org.apache.beam.sdk.runners.TransformHierarchy$Node.access$600(TransformHierarchy.java:317)
> at
> org.apache.beam.sdk.runners.TransformHierarchy.visit(TransformHierarchy.java:251)
> at org.apache.beam.sdk.Pipeline.traverseTopologically(Pipeline.java:463)
> at org.apache.beam.sdk.Pipeline.checkNoMoreMatches(Pipeline.java:218)
> at org.apache.beam.sdk.Pipeline.replaceAll(Pipeline.java:214)
> at
> org.apache.beam.runners.dataflow.DataflowRunner.replaceTransforms(DataflowRunner.java:1180)
> at
> org.apache.beam.runners.dataflow.DataflowRunner.run(DataflowRunner.java:871)
> at
> org.apache.beam.runners.dataflow.DataflowRunner.run(DataflowRunner.java:192)
> at org.apache.beam.sdk.Pipeline.run(Pipeline.java:317)
> at org.apache.beam.sdk.Pipeline.run(Pipeline.java:303)
> at org.apache.beam.examples.WordCount.runWordCount(WordCount.java:185)
> at org.apache.beam.examples.WordCount.main(WordCount.java:192)}}
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