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https://issues.apache.org/jira/browse/BEAM-12105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17406844#comment-17406844
]
Beam JIRA Bot commented on BEAM-12105:
--------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> Beam Schema RowCoder can't roundtrip DateTime
> ---------------------------------------------
>
> Key: BEAM-12105
> URL: https://issues.apache.org/jira/browse/BEAM-12105
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.21.0, 2.22.0, 2.23.0, 2.24.0, 2.25.0, 2.26.0, 2.27.0,
> 2.28.0
> Reporter: Andrew Pilloud
> Priority: P3
>
> Beam 2.21.0+ won't roundtrip DateTime. The test was changed in the PR that
> introduced the breakage:
> https://github.com/apache/beam/commit/fc6cef9972780ca6b7525d4aadd65a8344221f1b#diff-6dc06eab59c695aaa6c73cf608b392a6a6ab0809e72f1fc3b11805752b8eb69eL68
> This is what doesn't work:
> {code}
> Row.withSchema(...).addValues(inputRow.getDateTime()).build();
> {code}
> Workaround:
> {code}
> Row.withSchema(...).addValues(inputRow.getDateTime().toInstant()).build();
> {code}
> Stack trace:
> {code}
> Caused by: java.lang.ClassCastException: org.joda.time.DateTime cannot be
> cast to org.joda.time.Instant
> at
> org.apache.beam.sdk.coders.InstantCoder.encode(InstantCoder.java:34)
>
> at
> org.apache.beam.sdk.coders.RowCoderGenerator$EncodeInstruction.encodeDelegate(RowCoderGenerator.java:274)
>
> at org.apache.beam.sdk.coders.Coder$ByteBuddy$qZItcXc5.encode(Unknown
> Source)
> at org.apache.beam.sdk.coders.Coder$ByteBuddy$qZItcXc5.encode(Unknown
> Source)
> at
> org.apache.beam.sdk.schemas.SchemaCoder.encode(SchemaCoder.java:118)
>
> at org.apache.beam.sdk.coders.Coder.encode(Coder.java:136)
>
> at
> org.apache.beam.sdk.util.CoderUtils.encodeToSafeStream(CoderUtils.java:85)
>
> at
> org.apache.beam.sdk.util.CoderUtils.encodeToByteArray(CoderUtils.java:69)
>
> at
> org.apache.beam.sdk.util.CoderUtils.encodeToByteArray(CoderUtils.java:54)
>
> at org.apache.beam.sdk.util.CoderUtils.clone(CoderUtils.java:144)
>
> at
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector.<init>(MutationDetectors.java:118)
>
> at
> org.apache.beam.sdk.util.MutationDetectors.forValueWithCoder(MutationDetectors.java:49)
>
> at
> org.apache.beam.runners.direct.ImmutabilityCheckingBundleFactory$ImmutabilityEnforcingBundle.add(ImmutabilityCheckingBundleFacto
> ry.java:115)
>
> at
> org.apache.beam.runners.direct.ParDoEvaluator$BundleOutputManager.output(ParDoEvaluator.java:305)
>
> at
> org.apache.beam.repackaged.direct_java.runners.core.SimpleDoFnRunner.outputWindowedValue(SimpleDoFnRunner.java:272)
>
> at
> org.apache.beam.repackaged.direct_java.runners.core.SimpleDoFnRunner.access$900(SimpleDoFnRunner.java:84)
>
> at
> org.apache.beam.repackaged.direct_java.runners.core.SimpleDoFnRunner$DoFnProcessContext.output(SimpleDoFnRunner.java:418)
>
> at
> org.apache.beam.repackaged.direct_java.runners.core.SimpleDoFnRunner$DoFnProcessContext.output(SimpleDoFnRunner.java:406)
>
> {code}
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