Chamikara Madhusanka Jayalath created BEAM-12807:
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Summary: Java creates an incorrect pipeline proto when
core-construction-java jar is not in the CLASSPATH
Key: BEAM-12807
URL: https://issues.apache.org/jira/browse/BEAM-12807
Project: Beam
Issue Type: Improvement
Components: sdk-java-core
Reporter: Chamikara Madhusanka Jayalath
Seems like Java ends up creating incorrect pipeline API proto segments when
"core-construction-java" is not available in the system.
For example, this may create a GBK transform without the URN.
This can be reproduced by running the wordcount example in [1] after removing
the following dependency from the pom.xml file.
<dependency>
<groupId>org.apache.beam</groupId>
<artifactId>beam-runners-core-construction-java</artifactId>
<version>${beam.version}</version>
</dependency>
Seems like this is because Java is unable to register corresponding
XYZTranslation classes (for example [2]).
I think we should fail here instead of generating default incorrect proto
segments.
[1] [https://github.com/chamikaramj/multi-language-pipelines]
[2]
[https://github.com/apache/beam/blob/master/runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/GroupByKeyTranslation.java]
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