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https://issues.apache.org/jira/browse/NIFI-9672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xinyu Wu updated NIFI-9672:
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Summary: indeterminate Map ordering in TestFetchHBaseRow (was:
TestFetchHBaseRow is flaky)
> indeterminate Map ordering in TestFetchHBaseRow
> -----------------------------------------------
>
> Key: NIFI-9672
> URL: https://issues.apache.org/jira/browse/NIFI-9672
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Xinyu Wu
> Priority: Minor
>
> The undetermined iteration order of {{HashMap}} causes flakiness in class
> {{org.apache.nifi.hbase.TestFetchHBaseRow}} tests
> {{{}testFetchSpecificColumnsToContentWithBase64{}}},
> {{{}testFetchToAttributesWithBase64Values{}}},
> {{{}testFetchToAttributesWithStringValues{}}},
> {{{}testFetchToContentWithQualifierAndValueJSON{}}}, and
> {{{}testFetchToContentWithStringValues{}}}. The problem can be solved by
> replacing {{HashMap}} with {{{}LinkedHashMap{}}}, which has predictable
> iteration order.
> One can reproduce the errors as follows:
> # compile {{mvn install -DskipTests -pl
> nifi-nar-bundles/nifi-hbase-bundle/nifi-hbase-processors -am}}
> # run tests with NonDex {{{}mvn -pl
> nifi-nar-bundles/nifi-hbase-bundle/nifi-hbase-processors
> edu.illinois:nondex-maven-plugin:1.1.2:nondex
> -Dtest=org.apache.nifi.hbase.TestFetchHBaseRow{}}}. One can also run the
> tests separately, by adding the name of the test: {{mvn -pl
> nifi-nar-bundles/nifi-hbase-bundle/nifi-hbase-processors
> edu.illinois:nondex-maven-plugin:1.1.2:nondex
> -Dtest=org.apache.nifi.hbase.TestFetchHBaseRow#testFetchToContentWithQualifierAndValueJSON}}
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