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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2020/10/26 22:49:00 UTC
[jira] [Commented] (BEAM-11080) Beam Java SNAPSHOTS should not be
built with Java 11
[ https://issues.apache.org/jira/browse/BEAM-11080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17221021#comment-17221021 ]
Kenneth Knowles commented on BEAM-11080:
----------------------------------------
Seems like the answer may be https://stackoverflow.com/questions/15492948/javac-source-and-target-options
> Beam Java SNAPSHOTS should not be built with Java 11
> ----------------------------------------------------
>
> Key: BEAM-11080
> URL: https://issues.apache.org/jira/browse/BEAM-11080
> Project: Beam
> Issue Type: Improvement
> Components: build-system
> Affects Versions: 2.26.0
> Reporter: Ismaël Mejía
> Priority: P1
>
> We have a series of jobs that check forwards compatibility of our apps with the daily Beam SNAPSHOTs, and those jobs are failing since two days ago because a compatibility issue:
> {code}
> org.apache.beam.sdk.Pipeline$PipelineExecutionException: java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
> at org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish (DirectRunner.java:368)
> at org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish (DirectRunner.java:336)
> at org.apache.beam.runners.direct.DirectRunner.run (DirectRunner.java:216)
> {code}
> This can be reproduced easily with a machine with only Java 8 and using Beam's archetype + SNAPSHOTs
> {code}
> mvn archetype:generate \
> -DarchetypeGroupId=org.apache.beam \
> -DarchetypeArtifactId=beam-sdks-java-maven-archetypes-examples \
> -DarchetypeVersion=2.26.0-SNAPSHOT \
> -DgroupId=org.example \
> -DartifactId=word-count-beam \
> -Dversion="0.1" \
> -Dpackage=org.apache.beam.examples \
> -DinteractiveMode=false
> cd word-count-beam
> mvn clean compile exec:java -Dexec.mainClass=org.apache.beam.examples.WordCount -Dexec.args="--inputFile=pom.xml --output=out"
> {code}
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