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https://issues.apache.org/jira/browse/BEAM-6705?focusedWorklogId=205047&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-205047
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ASF GitHub Bot logged work on BEAM-6705:
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Author: ASF GitHub Bot
Created on: 27/Feb/19 08:33
Start Date: 27/Feb/19 08:33
Worklog Time Spent: 10m
Work Description: reuvenlax commented on issue #7939: [BEAM-6705] Fixes
ConcurrentModificationException in RowCoderGenerator
URL: https://github.com/apache/beam/pull/7939#issuecomment-467771286
run Dataflow ValidatesRunner
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Issue Time Tracking
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Worklog Id: (was: 205047)
Time Spent: 1h 20m (was: 1h 10m)
> 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
> Time Spent: 1h 20m
> 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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