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https://issues.apache.org/jira/browse/BEAM-6705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michal Walenia closed BEAM-6705.
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Resolution: Fixed
Fix Version/s: 2.11.0
> ConcurrentModificationException in ParDoSchemaTest
> --------------------------------------------------
>
> Key: BEAM-6705
> URL: https://issues.apache.org/jira/browse/BEAM-6705
> Project: Beam
> Issue Type: Sub-task
> Components: runner-direct
> Reporter: Michal Walenia
> Assignee: Michal Walenia
> Priority: Minor
> Fix For: 2.11.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> When ran with Java 11, ParDoSchemaTest.testReadAndWriteMultiOutput,
> testReadAndWrite and testReadAndWriteWithSchemaRegistry
> produce ConcurrentModificationExceptions.
> This is due to change in HashMap.computeIfAbsent method specification:
> {quote}Throws:{{[ConcurrentModificationException|https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/ConcurrentModificationException.html]}}
> - if it is detected that the mapping function modified this map
> {quote}
> [Full documentation
> here|https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/HashMap.html#computeIfAbsent(K,java.util.function.Function)]
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